31806931968

Names of 31806931968

• Cardinal: 31806931968 can be written as Thirty-one billion, eight hundred six million, nine hundred thirty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1806931968 × 10¹⁰

Factors of 31806931968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 91

Divisors of 31806931968

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 79 84 96 112 126 128 144 158 168 192 224 237 252 256 288 316 336 384 448 474 504 512 553 576 632 672 711 768 896 948 1008 1024 1106 1152 1264 1344 1422 1536 1659 1792 1896 2016 2212 2304 2528 2688 2844 3072 3318 3584 3792 4032 4424 4608 4977 5056 5376 5688 6241 6636 7168 7584 8064 8848 9216 9954 10112 10752 11376 12482 13272 15168 16128 17696 18723 19908 20224 21504 22752 24964 26544 30336 32256 35392 37446 39816 40448 43687 45504 49928 53088 56169 60672 64512 70784 74892 79632 80896 87374 91008 99856 106176 112338 121344 131061 141568 149784 159264 174748 182016 199712 212352 224676 242688 262122 283136 299568 318528 349496 364032 393183 399424 424704 449352 493039 524244 566272 599136 637056 698992 728064 786366 798848 849408 898704 986078 1048488 1198272 1274112 1397984 1479117 1572732 1597696 1698816 1797408 1972156 2096976 2396544 2548224 2795968 2958234 3145464 3195392 3451273 3594816 3944312 4193952 4437351 4793088 5096448 5591936 5916468 6290928 6390784 6902546 7189632 7888624 8387904 8874702 9586176 10353819 11183872 11832936 12581856 13805092 14379264 15777248 16775808 17749404 19172352 20707638 22367744 23665872 25163712 27610184 28758528 31061457 31554496 33551616 35498808 41415276 44735488 47331744 50327424 55220368 57517056 62122914 63108992 67103232 70997616 82830552 94663488 100654848 110440736 124245828 126217984 134206464 141995232 165661104 189326976 201309696 220881472 248491656 252435968 283990464 331322208 378653952 402619392 441762944 496983312 504871936 567980928 662644416 757307904 883525888 993966624 1135961856 1325288832 1514615808 1767051776 1987933248 2271923712 2650577664 3534103552 3975866496 4543847424 5301155328 7951732992 10602310656 15903465984 31806931968
• Sum of all divisors σ(n): 106307751680
• Sum of proper divisors (its aliquot sum) s(n): 74500819712
• 31806931968 is an abundant number, because the sum of its proper divisors (74500819712) is greater than itself. Its abundance is 42693887744

Bases of 31806931968

• Binary: 11101100111110101110100010000000000₂
• Hexadecimal: 0x767D74400
• Base-36: EM10XS0

Squares and roots of 31806931968

• 31806931968 squared (31806931968²) is 1011680921216980353024
• 31806931968 cubed (31806931968³) is 32178466234472061855026991071232
• The square root of 31806931968 is 178344.9802153119
• The cube root of 31806931968 is 3168.4042948977

Scales and comparisons

• 31,806,931,968 seconds is equal to 1,011 years, 18 weeks, 5 days, 18 hours, 52 minutes, 48 seconds.
• To count from 1 to 31,806,931,968 would take you about two thousand and twenty-two 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 31806931968 cubic inches would be around 264 feet tall.

Recreational maths with 31806931968

• 31806931968 backwards is 86913960813
• The number of decimal digits it has is: 11
• The sum of 31806931968's digits is 54
• More coming soon!