138393050640

Names of 138393050640

• Cardinal: 138393050640 can be written as One hundred thirty-eight billion, three hundred ninety-three million, fifty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3839305064 × 10¹¹

Factors of 138393050640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 773

Divisors of 138393050640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 37 39 40 48 52 58 60 65 67 74 78 80 87 104 111 116 120 130 134 145 148 156 174 185 195 201 208 222 232 240 260 268 290 296 312 335 348 370 377 390 402 435 444 464 481 520 536 555 580 592 617 624 670 696 740 754 780 804 870 871 888 962 1005 1040 1072 1073 1110 1131 1160 1234 1340 1392 1443 1480 1508 1560 1608 1740 1742 1776 1851 1885 1924 1943 2010 2146 2220 2262 2320 2405 2468 2479 2613 2680 2886 2960 3016 3085 3120 3216 3219 3480 3484 3702 3770 3848 3886 4020 4292 4355 4440 4524 4810 4936 4958 5226 5360 5365 5655 5772 5829 6032 6170 6438 6960 6968 7215 7404 7437 7540 7696 7772 8021 8040 8584 8710 8880 9048 9255 9620 9715 9872 9916 10452 10730 11310 11544 11658 12340 12395 12876 13065 13936 13949 14430 14808 14874 15080 15544 16042 16080 16095 17168 17420 17893 18096 18510 19240 19430 19832 20904 21460 22620 22829 23088 23316 24063 24680 24790 25259 25752 26130 27898 28860 29145 29616 29748 30160 31088 32084 32190 32227 34840 35786 37020 37185 38480 38860 39664 40105 41339 41808 41847 42920 45240 45658 46632 48126 49360 49580 50518 51504 52260 53679 55796 57720 58290 59496 64168 64380 64454 68487 69680 69745 71572 71891 74040 74370 75777 77720 80210 82678 83694 85840 89465 90480 91316 93264 96252 96681 99160 101036 104520 107358 111592 114145 115440 116580 118992 120315 124017 126295 128336 128760 128908 136974 139490 143144 143782 148080 148740 151554 155440 160420 161135 165356 167388 178930 182632 192504 193362 198320 202072 206695 209040 209235 214716 215673 223184 228290 232609 233160 240630 248034 252590 257520 257816 268395 273948 278980 286288 287564 296777 297480 303108 320840 322270 330712 334776 342435 357860 359455 365264 378885 385008 386724 404144 413390 418470 429432 431346 456580 465218 466320 481260 483405 496068 505180 515632 536790 537407 547896 557960 575128 593554 594960 606216 620085 641680 644540 661424 662041 669552 684870 697827 715720 718910 757770 773448 826780 836940 858864 862692 890331 913160 930436 934583 962520 966810 992136 1010360 1073580 1074814 1078365 1095792 1115920 1150256 1163045 1187108 1198831 1212432 1240170 1289080 1324082 1369740 1395654 1431440 1437820 1483885 1515540 1529543 1546896 1612221 1653560 1673880 1725384 1780662 1826320 1860872 1869166 1925040 1933620 1984272 1986123 2020720 2147160 2149628 2156730 2326090 2374216 2397662 2480340 2578160 2648164 2687035 2739480 2791308 2803749 2875640 2967770 3031080 3059086 3224442 3307120 3310205 3347760 3450768 3489135 3561324 3596493 3721744 3738332 3867240 3972246 4294320 4299256 4313460 4451655 4588629 4652180 4672915 4748432 4795324 4960680 5296328 5374070 5478960 5582616 5607498 5751280 5935540 5994155 6062160 6118172 6448884 6620410 6978270 7122648 7192986 7476664 7647715 7734480 7944492 8061105 8598512 8606533 8626920 8903310 9177258 9304360 9345830 9590648 9921360 9930615 10592656 10748140 11165232 11214996 11871080 11988310 12236344 12897768 13240820 13956540 14018745 14245296 14385972 14953328 15295430 15584803 15888984 16122210 17213066 17253840 17806620 17982465 18354516 18608720 18691660 19181296 19861230 19884059 21496280 22429992 22943145 23742160 23976620 24472688 25795536 25819599 26481640 27913080 28037490 28771944 30590860 31169606 31777968 32244420 34426132 35613240 35964930 36709032 37383320 39722460 39768118 42992560 43032665 44356747 44859984 45886290 46754409 47953240 51639198 52963280 55826160 56074980 57543888 59652177 61181720 62339212 64488840 68852264 71226480 71929860 73418064 74766640 77924015 79444920 79536236 86065330 88713494 91772580 93508818 95906480 99420295 103278396 112149960 119304354 122363440 124678424 128977680 129097995 133070241 137704528 143859720 155848030 158889840 159072472 172130660 177426988 183545160 187017636 198840590 206556792 221783735 224299920 233772045 238608708 249356848 258195990 266140482 287719440 298260885 311696060 318144944 344261320 354853976 367090320 374035272 397681180 413113584 443567470 467544090 477217416 516391980 532280964 576637711 596521770 623392120 665351205 688522640 709707952 748070544 795362360 887134940 935088180 954434832 1032783960 1064561928 1153275422 1193043540 1246784240 1330702410 1590724720 1729913133 1774269880 1870176360 2065567920 2129123856 2306550844 2386087080 2661404820 2883188555 3459826266 3548539760 3740352720 4613101688 4772174160 5322809640 5766377110 6919652532 8649565665 9226203376 10645619280 11532754220 13839305064 17299131330 23065508440 27678610128 34598262660 46131016880 69196525320 138393050640
• Sum of all divisors σ(n): 499003061760
• Sum of proper divisors (its aliquot sum) s(n): 360610011120
• 138393050640 is an abundant number, because the sum of its proper divisors (360610011120) is greater than itself. Its abundance is 222216960480

Bases of 138393050640

• Binary: 10000000111000110111100101111000010000₂
• Hexadecimal: 0x2038DE5E10
• Base-36: 1RKRNDAO

Squares and roots of 138393050640

• 138393050640 squared (138393050640²) is 19152636465445604409600
• 138393050640 cubed (138393050640³) is 2650591788251924141223180102144000
• The square root of 138393050640 is 372012.1646398139
• The cube root of 138393050640 is 5172.5507560457

Scales and comparisons

• 138,393,050,640 seconds is equal to 4,400 years, 24 weeks, 3 days, 10 hours, 4 minutes.
• To count from 1 to 138,393,050,640 would take you about eight thousand, eight hundred 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 138393050640 cubic inches would be around 431 feet tall.

Recreational maths with 138393050640

• 138393050640 backwards is 046050393831
• The number of decimal digits it has is: 12
• The sum of 138393050640's digits is 42
• More coming soon!