640628329320

Names of 640628329320

• Cardinal: 640628329320 can be written as Six hundred forty billion, six hundred twenty-eight million, three hundred twenty-nine thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.4062832932 × 10¹¹

Factors of 640628329320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1754

Divisors of 640628329320

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 43 45 54 56 60 63 70 72 81 84 86 90 105 108 120 126 129 135 140 162 168 172 180 189 210 215 216 252 258 270 280 301 315 324 344 360 378 387 405 420 430 504 516 540 567 601 602 630 645 648 756 774 810 840 860 903 945 1032 1080 1093 1134 1161 1202 1204 1260 1290 1505 1512 1548 1620 1720 1803 1806 1890 1935 2186 2268 2322 2404 2408 2520 2580 2709 2835 3005 3010 3096 3240 3279 3483 3606 3612 3780 3870 4207 4372 4515 4536 4644 4808 5160 5409 5418 5465 5670 5805 6010 6020 6558 6966 7212 7224 7560 7651 7740 8127 8414 8744 9015 9030 9288 9837 10818 10836 10930 11340 11610 12020 12040 12621 13116 13545 13932 14424 15302 15480 16227 16254 16395 16828 17415 18030 18060 19674 21035 21636 21672 21860 22680 22953 23220 24040 24381 25242 25843 26232 27045 27090 27864 29511 30604 32454 32508 32790 33656 34830 36060 36120 37863 38255 39348 40635 42070 43272 43720 45906 46440 46999 48681 48762 49185 50484 51686 54090 54180 59022 61208 63105 64908 65016 65580 68859 69660 72120 75726 76510 77529 78696 81135 81270 84140 88533 91812 93998 97362 97524 98370 100968 103372 108180 108360 113589 114765 118044 121905 126210 129215 129816 131160 137718 139320 140997 147555 151452 153020 155058 162270 162540 168280 177066 180901 183624 187996 189315 194724 195048 196740 206577 206744 216360 227178 229530 232587 234995 236088 243405 243810 252420 258430 275436 281994 295110 302904 306040 310116 324540 325080 328993 340767 344295 354132 361802 375992 378630 387645 389448 393480 413154 422991 442665 454356 459060 465174 469990 486810 487620 504840 516860 542703 550872 563988 567945 590220 619731 620232 649080 656893 657986 681534 688590 697761 704985 708264 723604 757260 775290 826308 845982 885330 904505 908712 918120 930348 939980 973620 975240 986979 1032885 1033720 1085406 1127976 1135890 1162935 1180440 1239462 1268973 1313786 1315972 1363068 1377180 1395522 1409970 1447208 1514520 1550580 1628109 1644965 1652616 1691964 1703835 1770660 1809010 1860696 1879960 1947240 1970679 1973958 2065770 2093283 2114955 2170812 2271780 2325870 2478924 2537946 2627572 2631944 2713515 2726136 2754360 2791044 2819940 2960937 3098655 3101160 3256218 3284465 3289930 3383928 3407670 3488805 3541320 3618020 3806919 3941358 3947916 4131540 4186566 4229910 4341624 4543560 4598251 4651740 4884327 4934895 4957848 5075892 5255144 5427030 5582088 5639880 5912037 5921874 6197310 6344865 6512436 6568930 6579860 6815340 6977610 7236040 7613838 7882716 7895832 8140545 8263080 8373132 8459820 8882811 9196502 9303480 9768654 9853395 9869790 10151784 10466415 10854060 11824074 11843748 12394620 12689730 13024872 13137860 13159720 13630680 13794753 13955220 14652981 14804685 15227676 15765432 16281090 16746264 16919640 17736111 17765622 18393004 19034595 19537308 19706790 19739580 20932830 21708120 22991255 23648148 23687496 24421635 24789240 25379460 26275720 26648433 27589506 27910440 28246399 29305962 29560185 29609370 30455352 32562180 35472222 35531244 36786008 38069190 39074616 39413580 39479160 41384259 41865660 44414055 45982510 47296296 48843270 50758920 53208333 53296866 55179012 56492798 58611924 59120370 59218740 65124360 68973765 70944444 71062488 73264905 76138380 78827160 82768518 83731320 84739197 88680555 88828110 91965020 97686540 106416666 106593732 110358024 112985596 117223848 118240740 118437480 124152777 133242165 137947530 141231995 141888888 146529810 152276760 165537036 169478394 177361110 177656220 183930040 195373080 197724793 206921295 212833332 213187464 225971192 236481480 248305554 254217591 266041665 266484330 275895060 282463990 293059620 331074072 338956788 354722220 355312440 372458331 395449586 413842590 423695985 425666664 496611108 508435182 532083330 532968660 551790120 564927980 586119240 593174379 620763885 677913576 709444440 744916662 762652773 790899172 827685180 847391970 988623965 993222216 1016870364 1064166660 1065937320 1129855960 1186348758 1241527770 1271087955 1489833324 1525305546 1581798344 1655370360 1694783940 1779523137 1862291655 1977247930 2033740728 2128333320 2287958319 2372697516 2483055540 2542175910 2965871895 2979666648 3050611092 3389567880 3559046274 3724583310 3813263865 3954495860 4575916638 4745395032 4966111080 5084351820 5338569411 5931743790 6101222184 7118092548 7449166620 7626527730 7908991720 8897615685 9151833276 10168703640 10677138822 11439791595 11863487580 14236185096 14898333240 15253055460 16015708233 17795231370 18303666552 21354277644 22879583190 23726975160 26692847055 30506110920 32031416466 35590462740 42708555288 45759166380 53385694110 64062832932 71180925480 80078541165 91518332760 106771388220 128125665864 160157082330 213542776440 320314164660 640628329320
• Sum of all divisors σ(n): 2524552208640
• Sum of proper divisors (its aliquot sum) s(n): 1883923879320
• 640628329320 is an abundant number, because the sum of its proper divisors (1883923879320) is greater than itself. Its abundance is 1243295550000

Bases of 640628329320

• Binary: 1001010100101000011011001000101101101000₂
• Hexadecimal: 0x95286C8B68
• Base-36: 86ATKEI0

Squares and roots of 640628329320

• 640628329320 squared (640628329320²) is 410404656327334371662400
• 640628329320 cubed (640628329320³) is 262916849328128985567095263061568000
• The square root of 640628329320 is 800392.6094861197
• The cube root of 640628329320 is 8620.5580345487

Scales and comparisons

• 640,628,329,320 seconds is equal to 20,369 years, 51 weeks, 6 days, 17 hours, 42 minutes.
• To count from 1 to 640,628,329,320 would take you about forty thousand, seven hundred thirty-nine 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 640628329320 cubic inches would be around 718.4 feet tall.

Recreational maths with 640628329320

• 640628329320 backwards is 023923826046
• 640628329320 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640628329320's digits is 45
• More coming soon!