642412446720

Names of 642412446720

• Cardinal: 642412446720 can be written as Six hundred forty-two billion, four hundred twelve million, four hundred forty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.4241244672 × 10¹¹

Factors of 642412446720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 102819

Divisors of 642412446720

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 37 40 44 48 55 60 64 66 74 80 88 96 110 111 120 128 132 148 160 165 176 185 192 220 222 240 256 264 296 320 330 352 370 384 407 440 444 480 512 528 555 592 640 660 704 740 768 814 880 888 960 1024 1056 1110 1184 1221 1280 1320 1408 1480 1536 1628 1760 1776 1920 2035 2112 2220 2368 2442 2560 2640 2816 2960 3072 3256 3520 3552 3840 4070 4224 4440 4736 4884 5120 5280 5632 5920 6105 6512 7040 7104 7680 8140 8448 8880 9472 9768 10560 11264 11840 12210 13024 14080 14208 15360 16280 16896 17760 18944 19536 21120 23680 24420 26048 28160 28416 32560 33792 35520 37888 39072 42240 47360 48840 52096 56320 56832 65120 71040 78144 84480 94720 97680 102761 104192 113664 130240 142080 156288 168960 189440 195360 205522 208384 260480 284160 308283 312576 390720 411044 416768 513805 520960 568320 616566 625152 781440 822088 1027610 1041920 1130371 1233132 1250304 1541415 1562880 1644176 2055220 2083840 2260742 2466264 3082830 3125760 3288352 3391113 3802157 4110440 4521484 4932528 5651855 6165660 6251520 6576704 6782226 7604314 8220880 9042968 9865056 11303710 11406471 12331320 13153408 13564452 15208628 16441760 16955565 18085936 19010785 19730112 22607420 22812942 24662640 26306816 27128904 30417256 32883520 33911130 36171872 38021570 39460224 41823727 45214840 45625884 49325280 52613632 54257808 57032355 60834512 65767040 67822260 72343744 76043140 78920448 83647454 90429680 91251768 98650560 105227264 108515616 114064710 121669024 125471181 131534080 135644520 144687488 152086280 157840896 167294908 180859360 182503536 197301120 209118635 217031232 228129420 243338048 250942362 263068160 271289040 289374976 304172560 315681792 334589816 361718720 365007072 394602240 418237270 434062464 456258840 486676096 501884724 526136320 542578080 578749952 608345120 627355905 669179632 723437440 730014144 789204480 836474540 868124928 912517680 973352192 1003769448 1085156160 1157499904 1216690240 1254711810 1338359264 1446874880 1460028288 1578408960 1672949080 1736249856 1825035360 1946704384 2007538896 2170312320 2433380480 2509423620 2676718528 2893749760 2920056576 3345898160 3472499712 3650070720 3893408768 4015077792 4340624640 4866760960 5018847240 5353437056 5787499520 5840113152 6691796320 7300141440 8030155584 8681249280 9733521920 10037694480 10706874112 11680226304 13383592640 14600282880 16060311168 17362498560 19467043840 20075388960 21413748224 26767185280 29200565760 32120622336 40150777920 42827496448 53534370560 58401131520 64241244672 80301555840 107068741120 128482489344 160603111680 214137482240 321206223360 642412446720
• Sum of all divisors σ(n): 2302112140416
• Sum of proper divisors (its aliquot sum) s(n): 1659699693696
• 642412446720 is an abundant number, because the sum of its proper divisors (1659699693696) is greater than itself. Its abundance is 1017287246976

Bases of 642412446720

• Binary: 1001010110010010110001000000010000000000₂
• Hexadecimal: 0x9592C40400
• Base-36: 874BS8AO

Squares and roots of 642412446720

• 642412446720 squared (642412446720²) is 412693751700776838758400
• 642412446720 cubed (642412446720³) is 265119602776152210311490670952448000
• The square root of 642412446720 is 801506.3609978401
• The cube root of 642412446720 is 8628.5532226815

Scales and comparisons

• 642,412,446,720 seconds is equal to 20,426 years, 37 weeks, 6 days, 5 hours, 52 minutes.
• To count from 1 to 642,412,446,720 would take you about forty thousand, eight hundred fifty-three 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 642412446720 cubic inches would be around 719 feet tall.

Recreational maths with 642412446720

• 642412446720 backwards is 027644214246
• The number of decimal digits it has is: 12
• The sum of 642412446720's digits is 42
• More coming soon!