31531884993
31,531,884,993 is an odd composite number composed of five prime numbers multiplied together.
31531884993 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 31531884993:
32 × 72 × 43 × 127 × 13093
(3 × 3 × 7 × 7 × 43 × 127 × 13093)See below for interesting mathematical facts about the number 31531884993 from the Numbermatics database.
Names of 31531884993
- Cardinal: 31531884993 can be written as Thirty-one billion, five hundred thirty-one million, eight hundred eighty-four thousand, nine hundred ninety-three.
Scientific notation
- Scientific notation: 3.1531884993 × 1010
Factors of 31531884993
Divisors of 31531884993
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 7 9 21 43 49 63 127 129 147 301 381 387 441 889 903 1143 2107 2667 2709 5461 6223 6321 8001 13093 16383 18669 18963 38227 39279 49149 56007 91651 114681 117837 267589 274953 344043 562999 641557 802767 824859 1662811 1688997 1924671 2408301 3940993 4988433 5066991 5774013 11639677 11822979 14965299 27586951 34919031 35468937 71500873 81477739 82760853 104757093 214502619 244433217 248282559 500506111 643507857 733299651 1501518333 3503542777 4504554999 10510628331 31531884993
- Sum of all divisors σ(n): 54645347328
- Sum of proper divisors (its aliquot sum) s(n): 23113462335
- 31531884993 is a deficient number, because the sum of its proper divisors (23113462335) is less than itself. Its deficiency is 8418422658
Bases of 31531884993
- Binary: 111010101110111001001100001110000012
- Hexadecimal: 0x7577261C1
- Base-36: EHH9Q69
Squares and roots of 31531884993
- 31531884993 squared (315318849932) is 994259771211778610049
- 31531884993 cubed (315318849933) is 31350884759016295379042462094657
-
The
square root of 31531884993 is 177572.1965652281 -
The
cube root of 31531884993 is 3159.2450325155
Scales and comparisons
How big is 31531884993?- 31,531,884,993 seconds is equal to 1,002 years, 32 weeks, 8 hours, 56 minutes, 33 seconds.
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To count from 1 to 31,531,884,993 would take you about two thousand and five 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 31531884993 cubic inches would be around 263.3 feet tall.
Recreational maths with 31531884993
- 31531884993 backwards is 39948813513
- The number of decimal digits it has is: 11
- The sum of 31531884993's digits is 54
- More coming soon!
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