31207707993

Names of 31207707993

• Cardinal: 31207707993 can be written as Thirty-one billion, two hundred seven million, seven hundred seven thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 3.1207707993 × 10¹⁰

Factors of 31207707993

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 308

Divisors of 31207707993

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 11 17 19 21 33 43 51 57 71 77 119 129 133 137 187 209 213 231 301 323 357 399 411 473 497 561 627 731 781 817 903 959 969 1207 1309 1349 1419 1463 1491 1507 2193 2261 2329 2343 2451 2603 2877 3053 3311 3553 3621 3927 4047 4389 4521 5117 5467 5719 5891 6783 6987 7809 8041 8449 8987 9159 9443 9727 9933 10549 10659 13277 13889 14839 15351 16303 16401 17157 17673 18221 21371 22933 24123 24871 25347 25619 26961 28329 28633 29181 31647 33583 39831 41237 41667 44251 44517 48909 51901 54663 56287 58007 62909 64113 64801 68089 68799 74613 76857 85899 92939 97223 100147 100749 103873 106997 111929 123711 132753 152779 155703 160531 165359 168861 174021 179333 184813 188727 194403 200431 204267 235081 252263 278817 291669 300441 309757 311619 320991 335787 363307 406049 418261 453607 458337 481593 486761 496077 537999 554439 570911 601293 638077 701029 705243 748979 756789 783503 929271 986119 1069453 1089921 1101617 1157513 1218147 1231219 1254783 1293691 1360821 1460283 1712733 1765841 1818949 1902793 1914231 2032943 2103087 2246937 2350509 2927827 2958357 3141821 3208359 3304851 3407327 3472539 3693657 3881073 3996377 4466539 4600871 5297523 5456847 5708379 6098829 6902833 7110437 7711319 7946959 8618533 8783481 9425463 10221981 10847309 11989131 12732643 13319551 13399617 13802613 14230601 20708499 20930723 21331311 21992747 23133957 23840877 25855599 32206097 32541927 34560031 38197929 39958653 42691803 49773059 55628713 62792169 65978241 75931163 78214807 87416549 96618291 103680093 135098303 146515061 149319177 166886139 227793489 234644421 241920217 262249647 405294909 439545183 547503649 611915843 725760651 945688121 1486081333 1642510947 1835747529 2837064363 4458243999 10402569331 31207707993
• Sum of all divisors σ(n): 60436316160
• Sum of proper divisors (its aliquot sum) s(n): 29228608167
• 31207707993 is a deficient number, because the sum of its proper divisors (29228608167) is less than itself. Its deficiency is 1979099826

Bases of 31207707993

• Binary: 11101000100000111111101010101011001₂
• Hexadecimal: 0x7441FD559
• Base-36: EC49HLL

Squares and roots of 31207707993

• 31207707993 squared (31207707993²) is 973921038176356088049
• 31207707993 cubed (31207707993³) is 30393843367647126032620989075657
• The square root of 31207707993 is 176657.0349377573
• The cube root of 31207707993 is 3148.3810608595

Scales and comparisons

• 31,207,707,993 seconds is equal to 992 years, 16 weeks, 7 hours, 46 minutes, 33 seconds.
• To count from 1 to 31,207,707,993 would take you about one thousand, nine hundred eighty-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 31207707993 cubic inches would be around 262.4 feet tall.

Recreational maths with 31207707993

• 31207707993 backwards is 39970770213
• The number of decimal digits it has is: 11
• The sum of 31207707993's digits is 48
• More coming soon!