31478794820421050615128

Names of 31478794820421050615128

• Cardinal: 31478794820421050615128 can be written as Thirty-one sextillion, four hundred seventy-eight quintillion, seven hundred ninety-four quadrillion, eight hundred twenty trillion, four hundred twenty-one billion, fifty million, six hundred fifteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1478794820421050615128 × 10²²

Factors of 31478794820421050615128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 267567633628037

Divisors of 31478794820421050615128

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 331 577 616 662 1154 1324 2308 2317 2648 3641 4039 4616 4634 6347 7282 8078 9268 12694 14564 16156 18536 25388 25487 29128 32312 44429 50776 50974 88858 101948 177716 190987 203896 355432 381974 763948 1336909 1527896 2100857 2673818 4201714 5347636 8403428 10695272 14705999 16806856 29411998 58823996 117647992 267567633627109 535135267254218 1070270534508436 1872973435389763 2140541069016872 2943243969898199 3745946870779526 5886487939796398 7491893741559052 11772975879592796 14983787483118104 20602707789287393 23545951759185592 41205415578574786 82410831157149572 88564886730573079 154386524602841893 164821662314299144 177129773461146158 308773049205683786 354259546922292316 617546098411367572 619954207114011553 708519093844584632 974213754036303869 1080705672219893251 1235092196822735144 1239908414228023106 1698251770631260823 1948427508072607738 2161411344439786502 2479816828456046212 3396503541262521646 3896855016145215476 4322822688879573004 4959633656912092424 6793007082525043292 6819496278254127083 7793710032290430952 8645645377759146008 11887762394418825761 13586014165050086584 13638992556508254166 23775524788837651522 27277985113016508332 47551049577675303044 51101939643540666583 54555970226033016664 95102099155350606088 102203879287081333166 204407758574162666332 357713577504784666081 408815517148325332664 562121336078947332413 715427155009569332162 1124242672157894664826 1430854310019138664324 2248485344315789329652 2861708620038277328648 3934849352552631326891 4496970688631578659304 7869698705105262653782 15739397410210525307564 31478794820421050615128
• Sum of all divisors σ(n): 73937028416411376806400
• Sum of proper divisors (its aliquot sum) s(n): 42458233595990326191272
• 31478794820421050615128 is an abundant number, because the sum of its proper divisors (42458233595990326191272) is greater than itself. Its abundance is 10979438775569275576144

Bases of 31478794820421050615128

• Binary: 110101010100111100000001000111100110101111010111011000010101100010101011000₂
• Hexadecimal: 0x6AA7808F35EBB0AC558
• Base-36: 54JD4IJIYWIIPUG

Squares and roots of 31478794820421050615128

• 31478794820421050615128 squared (31478794820421050615128²) is 990914523346167164245075483694419667182456384
• 31478794820421050615128 cubed (31478794820421050615128³) is 31192794964989321166286143948015396722363559550383285175093230577152
• The square root of 31478794820421050615128 is 177422644610.0413942737
• The cube root of 31478794820421050615128 is 31574709.6493426257

Scales and comparisons

• 31,478,794,820,421,050,615,128 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 31,478,794,820,421,050,615,128 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 31478794820421050615128 cubic inches would be around 2631225.8 feet tall.

Recreational maths with 31478794820421050615128

• 31478794820421050615128 backwards is 82151605012402849787413
• 31478794820421050615128 is a Harshad number.
• The number of decimal digits it has is: 23
• The sum of 31478794820421050615128's digits is 88
• More coming soon!