31940646894

Names of 31940646894

• Cardinal: 31940646894 can be written as Thirty-one billion, nine hundred forty million, six hundred forty-six thousand, eight hundred ninety-four.

Scientific notation

• Scientific notation: 3.1940646894 × 10¹⁰

Factors of 31940646894

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 628

Divisors of 31940646894

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 6 9 13 17 18 23 26 27 34 39 46 51 54 69 78 79 81 102 117 138 153 158 162 207 221 234 237 299 306 351 391 414 442 459 474 491 598 621 663 702 711 782 897 918 982 1027 1053 1173 1242 1326 1343 1377 1422 1473 1794 1817 1863 1989 2054 2106 2133 2346 2686 2691 2754 2946 3081 3519 3634 3726 3978 4029 4266 4419 5083 5382 5451 5967 6162 6383 6399 7038 8058 8073 8347 8838 9243 10166 10557 10902 11293 11934 12087 12766 12798 13257 15249 16146 16353 16694 17459 17901 18486 19149 21114 22586 23621 24174 24219 25041 26514 27729 30498 30889 31671 32706 33879 34918 35802 36261 38298 38789 39771 45747 47242 48438 49059 50082 52377 55458 57447 61778 63342 67758 70863 72522 75123 77578 79542 83187 91494 92667 98118 101637 104754 108511 108783 114894 116367 137241 141726 146809 147177 150246 157131 166374 172341 185334 191981 203274 212589 217022 217566 225369 232734 274482 278001 293618 294354 304911 314262 325533 344682 349101 383962 401557 411723 425178 440427 450738 471393 504257 517023 556002 575943 609822 637767 651066 659413 676107 698202 803114 823446 834003 880854 892147 914733 942786 976599 1008514 1034046 1047303 1151886 1204671 1275534 1318826 1321281 1352214 1414179 1512771 1668006 1727829 1784294 1829466 1913301 1953198 1978239 2094606 2409342 2495753 2502009 2642562 2676441 2828358 2929797 3025542 3141909 3455658 3614013 3826602 3956478 3963843 4538313 4991506 5004018 5183487 5352882 5859594 5934717 6283818 7228026 7487259 7927686 8029323 8572369 8789391 9076626 10366974 10842039 11597911 11869434 11891529 13614939 14974518 15166499 15550461 16058646 17144738 17578782 17804151 21684078 22461777 23195822 23783058 24087969 25717107 27229878 30332998 31100922 32526117 34793733 35608302 40844817 44923554 45499497 48175938 51434214 53412453 65052234 67385331 69587466 72263907 77151321 81689634 90998994 104381199 106824906 134770662 136498491 144527814 154302642 197164487 202155993 208762398 231453963 272996982 313143597 394328974 404311986 409495473 462907926 591493461 626287194 694361889 818990946 939430791 1182986922 1228486419 1388723778 1774480383 1878861582 2456972838 3548960766 5323441149 10646882298 15970323447 31940646894
• Sum of all divisors σ(n): 86411888640
• Sum of proper divisors (its aliquot sum) s(n): 54471241746
• 31940646894 is an abundant number, because the sum of its proper divisors (54471241746) is greater than itself. Its abundance is 22530594852

Bases of 31940646894

• Binary: 11101101111110011111001011111101110₂
• Hexadecimal: 0x76FCF97EE
• Base-36: EO8MWVI

Squares and roots of 31940646894

• 31940646894 squared (31940646894²) is 1020204924007191847236
• 31940646894 cubed (31940646894³) is 32586005237233818309080665884984
• The square root of 31940646894 is 178719.4642281583
• The cube root of 31940646894 is 3172.8380311477

Scales and comparisons

• 31,940,646,894 seconds is equal to 1,015 years, 31 weeks, 6 days, 9 hours, 54 minutes, 54 seconds.
• To count from 1 to 31,940,646,894 would take you about two thousand and thirty-one 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 31940646894 cubic inches would be around 264.4 feet tall.

Recreational maths with 31940646894

• 31940646894 backwards is 49864604913
• 31940646894 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31940646894's digits is 54
• More coming soon!