31459428

Names of 31459428

• Cardinal: 31459428 can be written as Thirty-one million, four hundred fifty-nine thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1459428 × 10⁷

Factors of 31459428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 133

Divisors of 31459428

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 18 21 22 26 27 28 33 36 39 42 44 52 54 63 66 77 78 81 84 91 97 99 108 117 126 132 143 154 156 162 182 189 194 198 231 234 252 273 286 291 297 308 324 351 364 378 388 396 429 462 468 546 567 572 582 594 679 693 702 756 819 858 873 891 924 1001 1053 1067 1092 1134 1164 1188 1261 1287 1358 1386 1404 1638 1716 1746 1782 2002 2037 2079 2106 2134 2268 2457 2522 2574 2619 2716 2772 3003 3201 3276 3492 3564 3783 3861 4004 4074 4158 4212 4268 4914 5044 5148 5238 6006 6111 6237 6402 7371 7469 7566 7722 7857 8148 8316 8827 9009 9603 9828 10476 11349 11583 12012 12222 12474 12804 13871 14742 14938 15132 15444 15714 17654 18018 18333 19206 22407 22698 23166 24444 24948 26481 27027 27742 28809 29484 29876 31428 34047 35308 36036 36666 38412 41613 44814 45396 46332 52962 54054 54999 55484 57618 67221 68094 73332 79443 81081 83226 86427 89628 97097 102141 105924 108108 109998 115236 124839 134442 136188 158886 162162 166452 172854 194194 201663 204282 219996 238329 249678 268884 291291 317772 324324 345708 374517 388388 403326 408564 476658 499356 582582 604989 714987 749034 806652 873873 953316 1123551 1165164 1209978 1429974 1498068 1747746 2247102 2419956 2621619 2859948 3495492 4494204 5243238 7864857 10486476 15729714 31459428
• Sum of all divisors σ(n): 111560064
• Sum of proper divisors (its aliquot sum) s(n): 80100636
• 31459428 is an abundant number, because the sum of its proper divisors (80100636) is greater than itself. Its abundance is 48641208

Bases of 31459428

• Binary: 1111000000000100001100100₂
• Hexadecimal: 0x1E00864
• Base-36: IQA90

Squares and roots of 31459428

• 31459428 squared (31459428²) is 989695610087184
• 31459428 cubed (31459428³) is 31135257787453838770752
• The square root of 31459428 is 5608.8704745251
• The cube root of 31459428 is 315.6823304413

Scales and comparisons

• 31,459,428 seconds is equal to 1 year, 2 hours, 43 minutes, 48 seconds.
• To count from 1 to 31,459,428 would take you about twenty-six 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 31459428 cubic inches would be around 26.3 feet tall.

Recreational maths with 31459428

• 31459428 backwards is 82495413
• 31459428 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 31459428's digits is 36
• More coming soon!