28125426420

Names of 28125426420

• Cardinal: 28125426420 can be written as Twenty-eight billion, one hundred twenty-five million, four hundred twenty-six thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.812542642 × 10¹⁰

Factors of 28125426420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 597

Divisors of 28125426420

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 31 35 36 37 39 42 45 52 54 60 62 63 65 70 74 78 84 90 91 93 105 108 111 117 124 126 130 135 140 148 155 156 180 182 185 186 189 195 210 217 222 234 252 259 260 270 273 279 310 315 333 351 364 370 372 378 390 403 420 434 444 455 465 468 481 499 518 540 546 555 558 585 620 630 651 666 702 740 756 777 780 806 819 837 868 910 930 945 962 998 999 1036 1085 1092 1110 1116 1147 1170 1209 1260 1295 1302 1332 1365 1395 1404 1443 1497 1554 1612 1638 1665 1674 1755 1820 1860 1890 1924 1953 1996 1998 2015 2170 2220 2294 2331 2340 2405 2418 2457 2495 2590 2604 2730 2790 2821 2886 2994 3108 3255 3276 3330 3348 3367 3441 3493 3510 3627 3780 3885 3906 3996 4030 4095 4185 4329 4340 4491 4588 4662 4810 4836 4914 4990 4995 5180 5460 5580 5642 5735 5772 5859 5988 6045 6487 6510 6660 6734 6882 6986 6993 7020 7215 7254 7485 7770 7812 8029 8060 8190 8370 8463 8658 8982 9324 9620 9765 9828 9980 9990 10101 10323 10479 10881 11284 11470 11655 11718 12090 12285 12974 12987 13020 13468 13473 13764 13972 13986 14105 14430 14508 14911 14970 15469 15540 16058 16380 16740 16835 16926 17205 17316 17465 17964 18135 18463 19461 19530 19980 20202 20646 20958 21645 21762 22455 22940 23310 23436 24087 24180 24570 25389 25948 25974 26946 27972 28210 28860 29295 29822 29940 30303 30938 30969 31437 32116 32435 33670 33852 34410 34930 34965 36270 36926 38922 39060 40145 40404 41292 41916 42315 43290 43524 44733 44910 45409 46407 46620 48174 49140 50505 50778 51615 51948 52395 53892 54405 55389 56420 58383 58590 59644 60606 61876 61938 62874 64870 64935 67340 67365 68820 69860 69930 72261 72540 73852 74555 76167 77345 77844 80290 84630 86580 89466 89820 90818 90909 92315 92814 94311 96348 97305 101010 101556 103230 104377 104790 108283 108810 110778 116766 117180 120435 121212 123876 125748 126945 129241 129740 129870 134199 134730 136227 139221 139860 144522 149110 151515 152334 154690 154845 157185 160580 166167 169260 175149 178932 181636 181818 184630 185628 188622 194610 201097 202020 206460 208754 209580 216566 216783 217620 221556 223665 227045 232035 233532 240019 240870 253890 258482 259740 268398 269460 272454 276945 278442 289044 291915 298220 303030 304668 309380 309690 313131 314370 324849 332334 350298 361305 363636 369260 377244 380835 387723 389220 402194 402597 408681 417508 417663 433132 433566 447330 454090 454545 464070 471555 480038 481740 498501 507780 516964 521885 536796 541415 544908 553890 556884 572353 583830 603291 606060 619380 626262 628740 646205 649698 664668 670995 681135 696105 700596 720057 722610 761670 775446 804388 805194 817362 830835 835326 867132 875745 894660 908180 909090 928140 939393 943110 960076 974547 997002 1005485 1043770 1082830 1083915 1107780 1144706 1163169 1167660 1200095 1206582 1226043 1252524 1292410 1299396 1341990 1362270 1392210 1407679 1440114 1445220 1523340 1550892 1565655 1610388 1624245 1634724 1661670 1670652 1680133 1717059 1751490 1809873 1818180 1878786 1886220 1938615 1949094 1994004 2010970 2012985 2043405 2087540 2088315 2160171 2165660 2167830 2289412 2326338 2400190 2413164 2452086 2492505 2584820 2683980 2724540 2784420 2815358 2818179 2861765 2880228 2923641 3016455 3131310 3248490 3323340 3360266 3434118 3489507 3502980 3600285 3619746 3757572 3877230 3898188 4006471 4021940 4025970 4086810 4176630 4223037 4320342 4335660 4652676 4696965 4800380 4872735 4904172 4985010 5040399 5151177 5429619 5630716 5636358 5723530 5815845 5847282 6032910 6130215 6262620 6480513 6496980 6720532 6868236 6979014 7038395 7200570 7239492 7440589 7754460 8012942 8051940 8173620 8353260 8400665 8446074 8585295 8640684 9049365 9393930 9745470 9970020 10080798 10302354 10800855 10859238 11272716 11447060 11631690 11694564 12019413 12065820 12260430 12669111 12961026 13958028 14076790 14090895 14401140 14618205 14881178 15121197 15453531 16025884 16801330 16892148 17170590 17447535 18098730 18787860 19490940 20032355 20161596 20604708 21115185 21601710 21718476 22321767 23263380 24038826 24520860 25201995 25338222 25755885 25922052 27148095 28153580 28181790 29236410 29762356 30242394 30907062 32402565 33602660 34341180 34895070 36058239 36197460 37202945 38007333 40064710 42230370 43203420 44643534 45363591 48077652 50403990 50676444 51511770 52084123 54296190 56363580 58472820 60097065 60484788 61814124 63345555 64805130 66965301 69790140 72116478 74405890 75605985 76014666 77267655 80129420 84460740 89287068 90727182 100807980 103023540 104168246 108174717 108592380 111608835 120194130 126691110 129610260 133930602 144232956 148811780 151211970 152029332 154535310 156252369 180291195 181454364 190036665 200895903 208336492 216349434 223217670 226817955 240388260 253382220 260420615 267861204 302423940 309070620 312504738 334826505 360582390 380073330 401791806 432698868 446435340 453635910 468757107 520841230 540873585 625009476 669653010 721164780 760146660 781261845 803583612 907271820 937514214 1004479515 1041682460 1081747170 1339306020 1406271321 1562523690 1875028428 2008959030 2163494340 2343785535 2812542642 3125047380 4017918060 4687571070 5625085284 7031356605 9375142140 14062713210 28125426420
• Sum of all divisors σ(n): 114401280000
• Sum of proper divisors (its aliquot sum) s(n): 86275853580
• 28125426420 is an abundant number, because the sum of its proper divisors (86275853580) is greater than itself. Its abundance is 58150427160

Bases of 28125426420

• Binary: 11010001100011001111111001011110100₂
• Hexadecimal: 0x68C67F2F4
• Base-36: CX55HX0

Squares and roots of 28125426420

• 28125426420 squared (28125426420²) is 791039611306834016400
• 28125426420 cubed (28125426420³) is 22248326383115760171411273288000
• The square root of 28125426420 is 167706.3696464747
• The cube root of 28125426420 is 3041.1163670279

Scales and comparisons

• 28,125,426,420 seconds is equal to 894 years, 15 weeks, 4 days, 18 hours, 27 minutes.
• To count from 1 to 28,125,426,420 would take you about one thousand, seven hundred eighty-eight 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 28125426420 cubic inches would be around 253.4 feet tall.

Recreational maths with 28125426420

• 28125426420 backwards is 02462452182
• 28125426420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28125426420's digits is 36
• More coming soon!