72139796820

Names of 72139796820

• Cardinal: 72139796820 can be written as Seventy-two billion, one hundred thirty-nine million, seven hundred ninety-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 7.213979682 × 10¹⁰

Factors of 72139796820

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 276

Divisors of 72139796820

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 17 18 20 21 26 28 30 31 34 35 36 39 42 45 51 52 60 61 62 63 65 68 70 78 84 85 90 91 93 102 105 117 119 122 124 126 130 137 140 153 155 156 170 180 182 183 186 195 204 210 217 221 234 238 244 252 255 260 273 274 279 305 306 310 315 340 357 364 366 372 390 403 411 420 427 434 442 455 465 468 476 510 527 546 548 549 558 585 595 610 612 620 630 651 663 685 714 732 765 780 793 806 819 822 854 868 884 910 915 930 959 1020 1037 1054 1071 1085 1092 1098 1105 1116 1170 1190 1209 1220 1233 1260 1281 1302 1326 1365 1370 1395 1428 1530 1547 1581 1586 1612 1638 1644 1708 1781 1785 1820 1830 1860 1891 1918 1953 1989 2015 2055 2074 2108 2135 2142 2170 2196 2210 2329 2340 2379 2380 2418 2466 2562 2604 2635 2652 2730 2740 2745 2790 2821 2877 3060 3094 3111 3162 3172 3255 3276 3315 3562 3570 3627 3660 3689 3782 3836 3843 3906 3965 3978 4030 4095 4110 4148 4247 4270 4284 4340 4420 4641 4658 4743 4758 4795 4836 4932 5124 5185 5270 5343 5355 5460 5490 5551 5580 5642 5673 5754 6045 6165 6188 6222 6324 6405 6510 6630 6851 6987 7124 7137 7140 7254 7259 7378 7564 7686 7735 7812 7905 7930 7956 8060 8190 8220 8357 8463 8494 8540 8631 8905 9282 9316 9333 9455 9486 9516 9590 9765 9945 10370 10540 10686 10710 10980 11067 11102 11284 11346 11508 11645 11895 12090 12330 12444 12467 12741 12810 13020 13237 13260 13481 13702 13923 13974 14105 14274 14385 14508 14518 14756 15372 15470 15555 15810 15860 16029 16303 16380 16653 16714 16926 16988 17019 17262 17810 18135 18445 18564 18666 18910 18972 19180 19215 19530 19890 20553 20740 20961 21235 21372 21420 21777 22134 22204 22692 23205 23290 23715 23790 24180 24583 24660 24934 25071 25389 25482 25620 26474 26715 26962 27404 27755 27846 27948 28210 28365 28548 28770 29036 29729 30277 30940 31110 31620 32058 32147 32606 33201 33306 33428 33852 34038 34255 34524 34935 35620 35685 36270 36295 36890 37332 37401 37820 38223 38430 39060 39711 39780 40443 41106 41785 41922 42315 42470 43155 43554 44268 46410 46580 46665 47430 47580 47957 48909 49166 49868 49959 50142 50778 50964 52948 53430 53924 55211 55335 55510 55692 56420 56730 57540 58499 59458 60554 61659 62220 62335 63705 64116 64294 65212 65331 66185 66402 66612 67405 68076 68510 69615 69870 71370 72199 72540 72590 73749 73780 74802 75213 76446 76860 79422 80145 80886 81515 82212 83265 83570 83844 84630 84940 85095 86310 87108 89187 90831 92820 93330 94367 94860 95914 96441 97818 98332 99918 100284 101556 102765 104805 106860 108641 108885 110422 110670 111020 112203 113460 116998 118916 119133 121108 121329 122915 123318 124670 125355 126945 127410 128588 130662 132370 132804 134810 137020 139230 139740 142069 142740 143871 144398 145180 146727 147498 148645 149604 150426 151385 152892 158844 160290 160735 161772 163030 165633 166005 166530 167140 169260 170190 172081 172620 175497 178374 181662 186660 187005 188734 191115 191828 192882 195636 198555 199836 202215 205530 209610 211939 216597 217282 217770 220844 221247 221340 224406 225029 233996 238266 239785 242658 244545 245830 246636 249340 249795 250710 253890 254820 259067 261324 264740 267561 269620 272493 276055 278460 283101 284138 287742 288796 289323 292495 293454 294996 297290 300852 302770 308295 320580 321470 325923 326060 326655 331266 332010 333060 340380 344162 350994 356748 360995 363324 368745 374010 376065 377468 382230 385764 386477 397110 404430 411060 417911 419220 423878 426207 431613 433194 434564 435540 442494 445935 448812 450058 454155 471835 476532 479570 482205 485316 489090 491660 496899 499590 501420 505393 507780 516243 518134 526491 535122 543205 544986 552110 561015 566202 568276 575484 578646 584990 586908 594580 595665 605540 606645 616590 635817 642940 649791 651846 653310 662532 664020 675087 688324 701988 710345 719355 721990 733635 737490 748020 752130 760487 764460 772954 777201 794220 808860 828165 835822 847756 849303 852414 860405 863226 866388 877485 884988 891870 900116 908310 938587 943670 959140 964410 977769 978180 993798 994483 999180 1010786 1032486 1036268 1052982 1059695 1070244 1082985 1086410 1089972 1104220 1106235 1122030 1125145 1132404 1157292 1159431 1169980 1191330 1213290 1233180 1253733 1271634 1278621 1295335 1299582 1303692 1306620 1337805 1350174 1362465 1415505 1420690 1438710 1443980 1446615 1467270 1474980 1504260 1516179 1520974 1545908 1548729 1554402 1629615 1656330 1671644 1698606 1704828 1720810 1726452 1754970 1783740 1813469 1816620 1846897 1877174 1887340 1907451 1928820 1932385 1955538 1987596 1988966 2021572 2025261 2064972 2089555 2105964 2119390 2131035 2158065 2165970 2172820 2212470 2244060 2250290 2281461 2318862 2331603 2382660 2426580 2484495 2507466 2526965 2543268 2557242 2581215 2590670 2599164 2632455 2675610 2700348 2724930 2815761 2831010 2841380 2877420 2893230 2925377 2934540 2983449 3032358 3041948 3097458 3108804 3179085 3248955 3259230 3312660 3367871 3375435 3397212 3441620 3478293 3509940 3626938 3693794 3754348 3761199 3802435 3814902 3864770 3886005 3911076 3977932 4050522 4179110 4238780 4246515 4262070 4316130 4331940 4404139 4424940 4500580 4548537 4562922 4637724 4663206 4692935 4888845 4968990 4972415 5014932 5053930 5114484 5162430 5181340 5264910 5351220 5440407 5449860 5540691 5631522 5662020 5786460 5797155 5850754 5966898 6064716 6194916 6268665 6358170 6393105 6497910 6518460 6570109 6735742 6750870 6844383 6956586 7253876 7387588 7522398 7580895 7604870 7629804 7729540 7743645 7772010 8101044 8358220 8447283 8493030 8524140 8632260 8776131 8808278 8950347 9067345 9097074 9125844 9234485 9326412 9385870 9537255 9777690 9937980 9944830 10103613 10107860 10126305 10324860 10529820 10880814 11081382 11263044 11407305 11594310 11658015 11701508 11933796 12537330 12716340 12786210 12928279 12995820 13140218 13212417 13471484 13501740 13688766 13913172 14078805 14626885 14917245 15044796 15161790 15209740 15487290 15544020 16321221 16622073 16839355 16894566 16986060 17391465 17552262 17616556 17900694 18134690 18194148 18468970 18771740 18805995 19074510 19555380 19710327 19889660 20207226 20252610 21761628 22020695 22162764 22742685 22814610 23188620 23316030 23575097 25074660 25572420 25856558 26280436 26328393 26424834 27202035 27377532 27703455 28157610 29253770 29834490 30310839 30323580 30828973 30974580 32642442 32850545 33244146 33678710 33789132 34221915 34782930 35104524 35801388 36269380 36937940 37611990 38149020 38784837 39420654 39637251 40414452 40505220 42236415 43880655 44041390 44751735 45485370 45629220 46632060 47150194 50518065 51713116 52656786 52849668 54404070 55406910 56315220 57253807 58507540 59130981 59668980 60621678 61657946 64641395 65284884 65701090 66062085 66488292 67357420 68443830 69565860 70725291 75223980 77569674 78841308 79274502 81606105 83110365 84472830 87761310 88082780 89503470 90970740 92486919 94300388 98551635 101036130 105313572 108808140 110813820 114507614 116354511 117875485 118261962 121243356 123315892 129282790 131402180 131641965 132124170 136887660 141450582 151554195 154144865 155139348 158549004 163212210 166220730 168945660 171761421 175522620 179006940 184973838 193924185 197103270 198186255 202072260 212175873 229015228 232709022 235750970 236523924 258565580 263283930 264248340 277460757 282901164 286269035 295654905 303108390 308289730 326424420 332441460 343522842 353626455 369947676 387848370 394206540 396372510 400776649 424351746 462434595 465418044 471501940 515284263 526567860 554921514 572538070 581772555 591309810 606216780 616579460 687045684 707252910 775696740 792745020 801553298 848703492 858807105 924869190 1030568526 1060879365 1109843028 1145076140 1163545110 1182619620 1202329947 1387303785 1414505820 1603106596 1717614210 1849738380 2003883245 2061137052 2121758730 2327090220 2404659894 2576421315 2774607570 3435228420 3606989841 4007766490 4243517460 4809319788 5152842630 5549215140 6011649735 7213979682 8015532980 10305685260 12023299470 14427959364 18034949205 24046598940 36069898410 72139796820
• Sum of all divisors σ(n): 301372710912
• Sum of proper divisors (its aliquot sum) s(n): 229232914092
• 72139796820 is an abundant number, because the sum of its proper divisors (229232914092) is greater than itself. Its abundance is 157093117272

Bases of 72139796820

• Binary: 1000011001011110111011111000101010100₂
• Hexadecimal: 0x10CBDDF154
• Base-36: X5267H0

Squares and roots of 72139796820

• 72139796820 squared (72139796820²) is 5204150285230882112400
• 72139796820 cubed (72139796820³) is 375426344197300882377908402568000
• The square root of 72139796820 is 268588.5269701593
• The cube root of 72139796820 is 4162.8583970821

Scales and comparisons

• 72,139,796,820 seconds is equal to 2,293 years, 42 weeks, 5 days, 8 hours, 27 minutes.
• To count from 1 to 72,139,796,820 would take you about four thousand, five hundred eighty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 72139796820 cubic inches would be around 346.9 feet tall.

Recreational maths with 72139796820

• 72139796820 backwards is 02869793127
• The number of decimal digits it has is: 11
• The sum of 72139796820's digits is 54
• More coming soon!