31379712

Names of 31379712

• Cardinal: 31379712 can be written as Thirty-one million, three hundred seventy-nine thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 3.1379712 × 10⁷

Factors of 31379712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 474

Divisors of 31379712

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 128 156 168 182 192 208 224 256 273 312 336 364 384 416 448 449 546 624 672 728 768 832 896 898 1092 1248 1344 1347 1456 1664 1792 1796 2184 2496 2688 2694 2912 3143 3328 3592 4368 4992 5376 5388 5824 5837 6286 7184 8736 9429 9984 10776 11648 11674 12572 14368 17472 17511 18858 21552 23296 23348 25144 28736 34944 35022 37716 40859 43104 46696 50288 57472 69888 70044 75432 81718 86208 93392 100576 114944 122577 140088 150864 163436 172416 186784 201152 245154 280176 301728 326872 344832 373568 402304 490308 560352 603456 653744 747136 804608 980616 1120704 1206912 1307488 1494272 1961232 2241408 2413824 2614976 3922464 4482816 5229952 7844928 10459904 15689856 31379712
• Sum of all divisors σ(n): 103017600
• Sum of proper divisors (its aliquot sum) s(n): 71637888
• 31379712 is an abundant number, because the sum of its proper divisors (71637888) is greater than itself. Its abundance is 40258176

Bases of 31379712

• Binary: 1110111101101000100000000₂
• Hexadecimal: 0x1DED100
• Base-36: IOKQO

Squares and roots of 31379712

• 31379712 squared (31379712²) is 984686325202944
• 31379712 cubed (31379712³) is 30899173295206724272128
• The square root of 31379712 is 5601.7597235155
• The cube root of 31379712 is 315.4154658941

Scales and comparisons

• 31,379,712 seconds is equal to 51 weeks, 6 days, 4 hours, 35 minutes, 12 seconds.
• To count from 1 to 31,379,712 would take you about twenty-five weeks!

  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 31379712 cubic inches would be around 26.3 feet tall.

Recreational maths with 31379712

• 31379712 backwards is 21797313
• The number of decimal digits it has is: 8
• The sum of 31379712's digits is 33
• More coming soon!