640129695744

Names of 640129695744

• Cardinal: 640129695744 can be written as Six hundred forty billion, one hundred twenty-nine million, six hundred ninety-five thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 6.40129695744 × 10¹¹

Factors of 640129695744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 54

Divisors of 640129695744

• Number of divisors d(n): 684
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 31 32 33 42 44 48 56 62 64 66 77 84 88 93 96 112 121 124 128 132 154 168 176 186 192 217 224 231 242 248 256 264 308 336 341 352 363 372 384 434 448 462 484 496 512 528 616 651 672 682 704 726 744 768 847 868 896 924 961 968 992 1023 1024 1056 1232 1302 1344 1364 1408 1452 1488 1536 1694 1736 1792 1848 1922 1936 1984 2046 2048 2112 2387 2464 2541 2604 2688 2728 2816 2883 2904 2976 3072 3388 3472 3584 3696 3751 3844 3872 3968 4092 4096 4224 4774 4928 5082 5208 5376 5456 5632 5766 5808 5952 6144 6727 6776 6944 7161 7168 7392 7502 7688 7744 7936 8184 8192 8448 9548 9856 10164 10416 10571 10752 10912 11253 11264 11532 11616 11904 12288 13454 13552 13888 14322 14336 14784 15004 15376 15488 15872 16368 16384 16896 19096 19712 20181 20328 20832 21142 21504 21824 22506 22528 23064 23232 23808 24576 26257 26908 27104 27776 28644 28672 29568 30008 30752 30976 31713 31744 32736 32768 33792 38192 39424 40362 40656 41664 42284 43008 43648 45012 45056 46128 46464 47616 49152 52514 53816 54208 55552 57288 57344 59136 60016 61504 61952 63426 63488 65472 65536 67584 73997 76384 78771 78848 80724 81312 83328 84568 86016 87296 90024 90112 92256 92928 95232 98304 105028 107632 108416 111104 114576 114688 116281 118272 120032 123008 123904 126852 126976 130944 131072 135168 147994 152768 157542 157696 161448 162624 166656 169136 172032 174592 180048 180224 184512 185856 190464 196608 210056 215264 216832 221991 222208 229152 229376 232562 236544 240064 246016 247808 253704 253952 261888 262144 270336 295988 305536 315084 315392 322896 325248 333312 338272 344064 348843 349184 360096 360448 369024 371712 380928 393216 420112 430528 433664 443982 444416 458304 458752 465124 473088 480128 492032 495616 507408 507904 523776 540672 591976 611072 630168 630784 645792 650496 666624 676544 688128 697686 698368 720192 720896 738048 743424 761856 786432 813967 840224 861056 867328 887964 888832 916608 917504 930248 946176 960256 984064 991232 1014816 1015808 1047552 1081344 1183952 1222144 1260336 1261568 1291584 1300992 1333248 1353088 1376256 1395372 1396736 1440384 1441792 1476096 1486848 1523712 1627934 1680448 1722112 1734656 1775928 1777664 1833216 1835008 1860496 1892352 1920512 1968128 1982464 2029632 2031616 2095104 2162688 2367904 2441901 2444288 2520672 2523136 2583168 2601984 2666496 2706176 2752512 2790744 2793472 2880768 2883584 2952192 2973696 3047424 3255868 3360896 3444224 3469312 3551856 3555328 3666432 3720992 3784704 3841024 3936256 3964928 4059264 4063232 4190208 4325376 4735808 4883802 4888576 5041344 5046272 5166336 5203968 5332992 5412352 5505024 5581488 5586944 5761536 5904384 5947392 6094848 6511736 6721792 6888448 6938624 7103712 7110656 7332864 7441984 7569408 7682048 7872512 7929856 8118528 8126464 8380416 8650752 9471616 9767604 9777152 10082688 10092544 10332672 10407936 10665984 10824704 11162976 11173888 11523072 11808768 11894784 12189696 13023472 13443584 13776896 13877248 14207424 14221312 14665728 14883968 15138816 15364096 15745024 15859712 16237056 16760832 18943232 19535208 19554304 20165376 20185088 20665344 20815872 21331968 21649408 22325952 22347776 23046144 23617536 23789568 24379392 26046944 26887168 27553792 27754496 28414848 28442624 29331456 29767936 30277632 30728192 31490048 31719424 32474112 33521664 37886464 39070416 39108608 40330752 41330688 41631744 42663936 43298816 44651904 44695552 46092288 47235072 47579136 52093888 53774336 55107584 55508992 56829696 56885248 58662912 59535872 60555264 61456384 62980096 64948224 67043328 75772928 78140832 78217216 80661504 82661376 83263488 85327872 86597632 89303808 89391104 92184576 94470144 95158272 104187776 107548672 110215168 111017984 113659392 117325824 119071744 122912768 125960192 129896448 134086656 151545856 156281664 156434432 161323008 165322752 166526976 170655744 173195264 178607616 184369152 188940288 208375552 215097344 220430336 222035968 227318784 234651648 238143488 245825536 251920384 259792896 268173312 303091712 312563328 312868864 322646016 330645504 333053952 346390528 357215232 368738304 377880576 416751104 430194688 440860672 454637568 469303296 476286976 491651072 519585792 606183424 625126656 625737728 645292032 661291008 666107904 692781056 714430464 737476608 755761152 833502208 860389376 881721344 909275136 938606592 952573952 983302144 1039171584 1212366848 1250253312 1290584064 1322582016 1385562112 1428860928 1474953216 1667004416 1720778752 1763442688 1818550272 1877213184 1905147904 2078343168 2424733696 2500506624 2581168128 2645164032 2771124224 2857721856 2949906432 3334008832 3441557504 3637100544 3810295808 4156686336 4849467392 5001013248 5162336256 5290328064 5715443712 6668017664 6883115008 7274201088 7620591616 8313372672 9698934784 10002026496 10324672512 11430887424 13336035328 14548402176 15241183232 19397869568 20004052992 20649345024 22861774848 26672070656 29096804352 30482366464 40008105984 45723549696 53344141312 58193608704 80016211968 91447099392 106688282624 160032423936 213376565248 320064847872 640129695744
• Sum of all divisors σ(n): 2215745913696
• Sum of proper divisors (its aliquot sum) s(n): 1575616217952
• 640129695744 is an abundant number, because the sum of its proper divisors (1575616217952) is greater than itself. Its abundance is 935486522208

Bases of 640129695744

• Binary: 1001010100001010101101000000000000000000₂
• Hexadecimal: 0x950AB40000
• Base-36: 862KOYDC

Squares and roots of 640129695744

• 640129695744 squared (640129695744²) is 409766027373306011713536
• 640129695744 cubed (640129695744³) is 262303402428701952785591899766390784
• The square root of 640129695744 is 800081.0557337301
• The cube root of 640129695744 is 8618.3208479135

Scales and comparisons

• 640,129,695,744 seconds is equal to 20,354 years, 7 weeks, 3 days, 12 hours, 22 minutes, 24 seconds.
• To count from 1 to 640,129,695,744 would take you about forty thousand, seven hundred 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 640129695744 cubic inches would be around 718.2 feet tall.

Recreational maths with 640129695744

• 640129695744 backwards is 447596921046
• The number of decimal digits it has is: 12
• The sum of 640129695744's digits is 57
• More coming soon!