64381782080

Names of 64381782080

• Cardinal: 64381782080 can be written as Sixty-four billion, three hundred eighty-one million, seven hundred eighty-two thousand and eighty.

Scientific notation

• Scientific notation: 6.438178208 × 10¹⁰

Factors of 64381782080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 12097

Divisors of 64381782080

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 31 32 35 40 44 49 55 56 62 64 70 77 80 88 98 110 112 124 140 154 155 160 176 196 217 220 224 245 248 280 308 310 320 341 352 385 392 434 440 448 490 496 539 560 616 620 682 704 770 784 868 880 980 992 1078 1085 1120 1232 1240 1364 1519 1540 1568 1705 1736 1760 1960 1984 2156 2170 2240 2387 2464 2480 2695 2728 3038 3080 3136 3410 3472 3520 3920 4312 4340 4774 4928 4960 5390 5456 6076 6160 6820 6944 7595 7840 8624 8680 9548 9920 10780 10912 11935 12041 12152 12320 13640 13888 15190 15680 16709 17248 17360 19096 21560 21824 23870 24082 24304 24640 27280 30380 33418 34496 34720 38192 43120 47740 48164 48608 54560 60205 60760 66836 69440 76384 83545 84287 86240 95480 96328 97216 109120 120410 121520 132451 133672 152768 167090 168574 172480 190960 192656 240820 243040 264902 267344 334180 337148 373271 381920 385312 421435 481640 486080 529804 534688 590009 662255 668360 674296 746542 763840 770624 842870 927157 963280 1059608 1069376 1180018 1324510 1336720 1348592 1493084 1685740 1854314 1866355 1926560 2119216 2360036 2612897 2649020 2673440 2697184 2950045 2986168 3371480 3708628 3732710 3853120 4105981 4238432 4635785 4720072 5225794 5298040 5346880 5394368 5900090 5972336 6490099 6742960 7417256 7465420 8211962 8476864 9271570 9440144 10451588 10596080 11800180 11944672 12980198 13064485 13485920 14834512 14930840 16423924 18290279 18543140 18880288 20529905 20903176 21192160 23600360 23889344 25960396 26128970 26971840 28741867 29669024 29861680 32450495 32847848 36580558 37086280 37760576 41059810 41806352 42384320 47200720 51920792 52257940 57483734 59338048 59723360 64900990 65695696 73161116 74172560 82119620 83612704 91451395 94401440 103841584 104515880 114967468 119446720 129801980 131391392 143709335 146322232 148345120 164239240 167225408 182902790 188802880 201193069 207683168 209031760 229934936 259603960 262782784 287418670 292644464 296690240 328478480 365805580 402386138 415366336 418063520 459869872 519207920 574837340 585288928 656956960 731611160 804772276 836127040 919739744 1005965345 1038415840 1149674680 1170577856 1313913920 1463222320 1609544552 1839479488 2011930690 2076831680 2299349360 2926444640 3219089104 4023861380 4598698720 5852889280 6438178208 8047722760 9197397440 12876356416 16095445520 32190891040 64381782080
• Sum of all divisors σ(n): 200844375552
• Sum of proper divisors (its aliquot sum) s(n): 136462593472
• 64381782080 is an abundant number, because the sum of its proper divisors (136462593472) is greater than itself. Its abundance is 72080811392

Bases of 64381782080

• Binary: 111011111101011101000000100001000000₂
• Hexadecimal: 0xEFD740840
• Base-36: TKR90ZK

Squares and roots of 64381782080

• 64381782080 squared (64381782080²) is 4145013863796609126400
• 64381782080 cubed (64381782080³) is 266863379297532090218823974912000
• The square root of 64381782080 is 253735.6539392917
• The cube root of 64381782080 is 4007.9380298335

Scales and comparisons

• 64,381,782,080 seconds is equal to 2,047 years, 7 weeks, 2 days, 12 hours, 21 minutes, 20 seconds.
• To count from 1 to 64,381,782,080 would take you about four thousand and ninety-four 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 64381782080 cubic inches would be around 334 feet tall.

Recreational maths with 64381782080

• 64381782080 backwards is 08028718346
• The number of decimal digits it has is: 11
• The sum of 64381782080's digits is 47
• More coming soon!