31478947542

Names of 31478947542

• Cardinal: 31478947542 can be written as Thirty-one billion, four hundred seventy-eight million, nine hundred forty-seven thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 3.1478947542 × 10¹⁰

Factors of 31478947542

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 800

Divisors of 31478947542

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 37 42 54 63 74 81 111 126 162 189 222 243 259 333 378 486 518 567 666 729 751 777 999 1134 1369 1458 1502 1554 1701 1998 2187 2253 2331 2738 2997 3402 4107 4374 4506 4662 5103 5257 5994 6759 6993 8214 8991 9583 10206 10514 12321 13518 13986 15309 15771 17982 19166 20277 20979 24642 26973 27787 28749 30618 31542 36963 40554 41958 47313 53946 55574 57498 60831 62937 73926 80919 83361 86247 94626 110889 121662 125874 141939 161838 166722 172494 182493 188811 194509 221778 250083 258741 283878 332667 364986 377622 389018 425817 500166 517482 547479 566433 583527 665334 750249 776223 851634 998001 1028119 1094958 1132866 1167054 1277451 1500498 1552446 1642437 1750581 1996002 2056238 2250747 2328669 2554902 2994003 3084357 3284874 3501162 3832353 4501494 4657338 5251743 5988006 6168714 6752241 6986007 7196833 7664706 9253071 10503486 11497059 13504482 13972014 14393666 15755229 18506142 20256723 20958021 21590499 22994118 27759213 31510458 40513446 41916042 43180998 47265687 55518426 60770169 64771497 83277639 94531374 121540338 129542994 141797061 166555278 194314491 249832917 283594122 388628982 425391183 499665834 582943473 749498751 850782366 1165886946 1498997502 1748830419 2248496253 3497660838 4496992506 5246491257 10492982514 15739473771 31478947542
• Sum of all divisors σ(n): 83290798080
• Sum of proper divisors (its aliquot sum) s(n): 51811850538
• 31478947542 is an abundant number, because the sum of its proper divisors (51811850538) is greater than itself. Its abundance is 20332902996

Bases of 31478947542

• Binary: 11101010100010010101001111011010110₂
• Hexadecimal: 0x7544A9ED6
• Base-36: EGLR3DI

Squares and roots of 31478947542

• 31478947542 squared (31478947542²) is 990924138351987841764
• 31478947542 cubed (31478947542³) is 31193248969283775602310752744088
• The square root of 31478947542 is 177423.0749987159
• The cube root of 31478947542 is 3157.4760711565

Scales and comparisons

• 31,478,947,542 seconds is equal to 1,000 years, 48 weeks, 3 days, 16 hours, 5 minutes, 42 seconds.
• To count from 1 to 31,478,947,542 would take you about two thousand and 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 31478947542 cubic inches would be around 263.1 feet tall.

Recreational maths with 31478947542

• 31478947542 backwards is 24574987413
• 31478947542 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31478947542's digits is 54
• More coming soon!