31945384924128

Names of 31945384924128

• Cardinal: 31945384924128 can be written as Thirty-one trillion, nine hundred forty-five billion, three hundred eighty-four million, nine hundred twenty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1945384924128 × 10¹³

Factors of 31945384924128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 160989150

Divisors of 31945384924128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 53 72 78 96 104 106 117 144 156 159 208 212 234 288 312 318 416 424 468 477 624 636 689 848 936 954 1248 1272 1378 1696 1872 1908 2067 2544 2756 3744 3816 4134 5088 5512 6201 7632 8268 11024 12402 15264 16536 22048 24804 33072 49608 66144 99216 198432 160989079 321978158 482967237 643956316 965934474 1287912632 1448901711 1931868948 2092858027 2575825264 2897803422 3863737896 4185716054 5151650528 5795606844 6278574081 7727475792 8371432108 8532421187 11591213688 12557148162 15454951584 16742864216 17064842374 18835722243 23182427376 25114296324 25597263561 33485728432 34129684748 37671444486 46364854752 50228592648 51194527122 66971456864 68259369496 75342888972 76791790683 100457185296 102389054244 110921475431 136518738992 150685777944 153583581366 200914370592 204778108488 221842950862 273037477984 301371555888 307167162732 332764426293 409556216976 443685901724 602743111776 614334325464 665528852586 819112433952 887371803448 998293278879 1228668650928 1331057705172 1774743606896 1996586557758 2457337301856 2662115410344 3549487213792 3993173115516 5324230820688 7986346231032 10648461641376 15972692462064 31945384924128
• Sum of all divisors σ(n): 99678642729120
• Sum of proper divisors (its aliquot sum) s(n): 67733257804992
• 31945384924128 is an abundant number, because the sum of its proper divisors (67733257804992) is greater than itself. Its abundance is 35787872880864

Bases of 31945384924128

• Binary: 111010000110111011101010100100001001111100000₂
• Hexadecimal: 0x1D0DDD5213E0
• Base-36: BBNI9DMG0

Squares and roots of 31945384924128

• 31945384924128 squared (31945384924128²) is 1020507617950704504316560384
• 31945384924128 cubed (31945384924128³) is 32600508673440212422470831191121770545152
• The square root of 31945384924128 is 5652024.8516905867
• The cube root of 31945384924128 is 31729.9490815113

Scales and comparisons

• 31,945,384,924,128 seconds is equal to 1,015,764 years, 22 weeks, 1 day, 10 hours, 28 minutes, 48 seconds.
• To count from 1 to 31,945,384,924,128 would take you about two million, five hundred thirty-nine thousand, four hundred eleven 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 31945384924128 cubic inches would be around 2644.2 feet tall.

Recreational maths with 31945384924128

• 31945384924128 backwards is 82142948354913
• The number of decimal digits it has is: 14
• The sum of 31945384924128's digits is 63
• More coming soon!