81589467400320

Names of 81589467400320

• Cardinal: 81589467400320 can be written as Eighty-one trillion, five hundred eighty-nine billion, four hundred sixty-seven million, four hundred thousand, three hundred twenty.

Scientific notation

• Scientific notation: 8.158946740032 × 10¹³

Factors of 81589467400320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 167962551

Divisors of 81589467400320

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 23 24 30 32 33 40 44 46 48 55 60 64 66 69 80 88 92 96 110 115 120 128 132 138 160 165 176 184 192 220 230 240 253 264 276 320 330 345 352 368 384 440 460 480 506 528 552 640 660 690 704 736 759 880 920 960 1012 1056 1104 1265 1320 1380 1408 1472 1518 1760 1840 1920 2024 2112 2208 2530 2640 2760 2944 3036 3520 3680 3795 4048 4224 4416 5060 5280 5520 6072 7040 7360 7590 8096 8832 10120 10560 11040 12144 14720 15180 16192 20240 21120 22080 24288 30360 32384 40480 44160 48576 60720 80960 97152 121440 161920 242880 485760 167962507 335925014 503887521 671850028 839812535 1007775042 1343700056 1679625070 1847587577 2015550084 2519437605 2687400112 3359250140 3695175154 3863137661 4031100168 5038875210 5374800224 5542762731 6718500280 7390350308 7726275322 8062200336 9237937885 10077750420 10749600448 11085525462 11589412983 13437000560 14780700616 15452550644 16124400672 18475875770 19315688305 20155500840 21499200896 22171050924 23178825966 26874001120 27713813655 29561401232 30905101288 32248801344 36951751540 38631376610 40311001680 42494514271 44342101848 46357651932 53748002240 55427627310 57947064915 59122802464 61810202576 64497602688 73903503080 77262753220 80622003360 84989028542 88684203696 92715303864 107496004480 110855254620 115894129830 118245604928 123620405152 127483542813 147807006160 154525506440 161244006720 169978057084 177368407392 185430607728 212472571355 221710509240 231788259660 236491209856 247240810304 254967085626 295614012320 309051012880 322488013440 339956114168 354736814784 370861215456 424945142710 443421018480 463576519320 494481620608 509934171252 591228024640 618102025760 637417714065 679912228336 709473629568 741722430912 849890285420 886842036960 927153038640 1019868342504 1182456049280 1236204051520 1274835428130 1359824456672 1483444861824 1699780570840 1773684073920 1854306077280 2039736685008 2472408103040 2549670856260 2719648913344 3399561141680 3547368147840 3708612154560 4079473370016 5099341712520 5439297826688 6799122283360 7417224309120 8158946740032 10198683425040 13598244566720 16317893480064 20397366850080 27196489133440 40794733700160 81589467400320
• Sum of all divisors σ(n): 296043998100480
• Sum of proper divisors (its aliquot sum) s(n): 214454530700160
• 81589467400320 is an abundant number, because the sum of its proper divisors (214454530700160) is greater than itself. Its abundance is 132865063299840

Bases of 81589467400320

• Binary: 10010100011010010000111001110001100100010000000₂
• Hexadecimal: 0x4A348738C880
• Base-36: SX5OMB91C

Squares and roots of 81589467400320

• 81589467400320 squared (81589467400320²) is 6656841190667880019136102400
• 81589467400320 cubed (81589467400320³) is 543128127315104370229430124533985312768000
• The square root of 81589467400320 is 9032688.8245040303
• The cube root of 81589467400320 is 43372.1914417545

Scales and comparisons

• 81,589,467,400,320 seconds is equal to 2,594,292 years, 35 weeks, 6 days, 8 hours, 32 minutes.
• To count from 1 to 81,589,467,400,320 would take you about six million, four hundred eighty-five thousand, seven hundred thirty-one 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 81589467400320 cubic inches would be around 3614.3 feet tall.

Recreational maths with 81589467400320

• 81589467400320 backwards is 02300476498518
• The number of decimal digits it has is: 14
• The sum of 81589467400320's digits is 57
• More coming soon!