864143846640

Names of 864143846640

• Cardinal: 864143846640 can be written as Eight hundred sixty-four billion, one hundred forty-three million, eight hundred forty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.6414384664 × 10¹¹

Factors of 864143846640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9583

Divisors of 864143846640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 53 60 72 80 90 106 120 144 159 180 212 240 265 318 360 424 477 530 636 720 795 848 954 1060 1272 1590 1908 2120 2385 2544 3180 3816 4240 4649 4770 4871 6360 7632 9298 9540 9742 12720 13947 14613 18596 19080 19484 23245 24355 27894 29226 37192 38160 38968 41841 43839 46490 48710 55788 58452 69735 73065 74384 77936 83682 87678 92980 97420 111576 116904 139470 146130 167364 175356 185960 194840 209205 219195 223152 233808 246397 258163 278940 292260 334728 350712 371920 389680 418410 438390 492794 516326 557880 584520 669456 701424 739191 774489 836820 876780 985588 1032652 1115760 1169040 1231985 1290815 1478382 1548978 1673640 1753560 1971176 2065304 2217573 2323467 2463970 2581630 2956764 3097956 3347280 3507120 3695955 3872445 3942352 4130608 4435146 4646934 4927940 5163260 5913528 6195912 7391910 7744890 8870292 9293868 9855880 10326520 11087865 11617335 11827056 12391824 14783820 15489780 17740584 18587736 19711760 20653040 22175730 22645279 23234670 29567640 30979560 35481168 37175472 44351460 45290558 46469340 59135280 61959120 67935837 88702920 90581116 92938680 113226395 135871674 177405840 181162232 185877360 203807511 226452790 271743348 339679185 362324464 407615022 452905580 543486696 679358370 815230044 905811160 1019037555 1086973392 1200199787 1358716740 1630460088 1811622320 2038075110 2400399574 2717433480 3260920176 3600599361 4076150220 4800799148 5434866960 6000998935 7201198722 8152300440 9601598296 10801798083 12001997870 14402397444 16304600880 18002996805 19203196592 21603596166 24003995740 28804794888 36005993610 43207192332 48007991480 54008990415 57609589776 72011987220 86414384664 96015982960 108017980830 144023974440 172828769328 216035961660 288047948880 432071923320 864143846640
• Sum of all divisors σ(n): 2958082545600
• Sum of proper divisors (its aliquot sum) s(n): 2093938698960
• 864143846640 is an abundant number, because the sum of its proper divisors (2093938698960) is greater than itself. Its abundance is 1229794852320

Bases of 864143846640

• Binary: 1100100100110010111111001010110011110000₂
• Hexadecimal: 0xC932FCACF0
• Base-36: B0ZCXNG0

Squares and roots of 864143846640

• 864143846640 squared (864143846640²) is 746744587685775839289600
• 864143846640 cubed (864143846640³) is 645294740460387109376489388946944000
• The square root of 864143846640 is 929593.3770418117
• The cube root of 864143846640 is 9524.9348526347

Scales and comparisons

• 864,143,846,640 seconds is equal to 27,477 years, 5 weeks, 1 day, 21 hours, 24 minutes.
• To count from 1 to 864,143,846,640 would take you about fifty-four thousand, nine hundred fifty-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 864143846640 cubic inches would be around 793.7 feet tall.

Recreational maths with 864143846640

• 864143846640 backwards is 046648341468
• The number of decimal digits it has is: 12
• The sum of 864143846640's digits is 54
• More coming soon!