31994249728

Names of 31994249728

• Cardinal: 31994249728 can be written as Thirty-one billion, nine hundred ninety-four million, two hundred forty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1994249728 × 10¹⁰

Factors of 31994249728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 121

Divisors of 31994249728

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 49 56 64 89 92 98 112 128 161 178 184 196 224 256 322 343 356 368 392 448 512 623 644 686 712 736 784 896 1127 1246 1288 1372 1424 1472 1568 1792 2047 2254 2492 2576 2744 2848 2944 3136 3584 4094 4361 4508 4984 5152 5488 5696 5888 6272 7889 7921 8188 8722 9016 9968 10304 10976 11392 11776 12544 14329 15778 15842 16376 17444 18032 19936 20608 21952 22784 25088 28658 30527 31556 31684 32752 34888 36064 39872 41216 43904 45568 55447 57316 61054 63112 63368 65504 69776 72128 79744 82432 87808 100303 110894 114632 122108 126224 126736 131008 139552 144256 159488 175616 182183 200606 221788 229264 244216 252448 253472 262016 279104 288512 318976 364366 388129 401212 443576 458528 488432 504896 506944 524032 558208 577024 702121 728732 776258 802424 887152 917056 976864 1009792 1013888 1048064 1116416 1275281 1404242 1457464 1552516 1604848 1774304 1834112 1953728 2019584 2027776 2232832 2550562 2716903 2808484 2914928 3105032 3209696 3548608 3668224 3907456 4039168 4055552 5101124 5433806 5616968 5829856 6210064 6419392 7097216 7336448 7814912 8926967 10202248 10867612 11233936 11659712 12420128 12838784 14194432 15629824 17853934 20404496 21735224 22467872 23319424 24840256 25677568 28388864 35707868 40808992 43470448 44935744 46638848 49680512 51355136 62488769 71415736 81617984 86940896 89871488 93277696 99361024 124977538 142831472 163235968 173881792 179742976 198722048 249955076 285662944 326471936 347763584 359485952 499910152 571325888 652943872 695527168 999820304 1142651776 1391054336 1999640608 2285303552 3999281216 4570607104 7998562432 15997124864 31994249728
• Sum of all divisors σ(n): 78674428800
• Sum of proper divisors (its aliquot sum) s(n): 46680179072
• 31994249728 is an abundant number, because the sum of its proper divisors (46680179072) is greater than itself. Its abundance is 14685929344

Bases of 31994249728

• Binary: 11101110011000000011000001000000000₂
• Hexadecimal: 0x773018200
• Base-36: EP4JT34

Squares and roots of 31994249728

• 31994249728 squared (31994249728²) is 1023632015657628073984
• 31994249728 cubed (31994249728³) is 32750338338526158747187755876352
• The square root of 31994249728 is 178869.3649790259
• The cube root of 31994249728 is 3174.6119261315

Scales and comparisons

• 31,994,249,728 seconds is equal to 1,017 years, 16 weeks, 3 days, 19 hours, 35 minutes, 28 seconds.
• To count from 1 to 31,994,249,728 would take you about two thousand and thirty-four 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 31994249728 cubic inches would be around 264.6 feet tall.

Recreational maths with 31994249728

• 31994249728 backwards is 82794249913
• The number of decimal digits it has is: 11
• The sum of 31994249728's digits is 58
• More coming soon!