31207845438

Names of 31207845438

• Cardinal: 31207845438 can be written as Thirty-one billion, two hundred seven million, eight hundred forty-five thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 3.1207845438 × 10¹⁰

Factors of 31207845438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 387

Divisors of 31207845438

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 11 14 17 18 21 22 33 34 42 51 63 66 77 99 102 119 121 126 153 154 187 198 231 238 242 306 347 357 363 374 462 561 693 694 714 726 847 1041 1071 1089 1122 1309 1386 1683 1694 2057 2082 2142 2178 2429 2541 2618 3123 3366 3817 3927 4114 4858 5082 5899 6171 6246 7287 7623 7634 7854 11451 11781 11798 12342 14399 14574 15246 17697 18513 21861 22902 23562 26719 28798 34353 35394 37026 41293 41987 43197 43722 53091 53438 64889 68706 80157 82586 83974 86394 106182 120409 123879 125961 129591 129778 160314 194667 240471 240818 247758 251922 259182 293909 361227 371637 377883 389334 454223 480942 584001 587818 713779 722454 743274 755766 842863 881727 908446 1083681 1168002 1324499 1362669 1427558 1685726 1763454 2046953 2141337 2167362 2528589 2645181 2648998 2725338 3973497 4088007 4093906 4282674 4996453 5057178 5290362 6140859 6424011 7585767 7946994 8176014 9271493 9992906 11920491 12281718 12848022 14328671 14569489 14989359 15171534 18422577 18542986 22516483 23840982 27814479 28657342 29138978 29978718 36845154 42986013 43708467 44968077 45032966 55628958 67549449 83443437 85972026 87416934 89936154 101986423 128958039 131125401 135098898 157615381 166886874 202648347 203972846 247681313 257916078 262250802 305959269 315230762 405296694 472846143 495362626 611918538 743043939 917877807 945692286 1418538429 1486087878 1733769191 1835755614 2229131817 2837076858 3467538382 4458263634 5201307573 10402615146 15603922719 31207845438
• Sum of all divisors σ(n): 90196784496
• Sum of proper divisors (its aliquot sum) s(n): 58988939058
• 31207845438 is an abundant number, because the sum of its proper divisors (58988939058) is greater than itself. Its abundance is 27781093620

Bases of 31207845438

• Binary: 11101000100001000011110111000111110₂
• Hexadecimal: 0x74421EE3E
• Base-36: EC4CFNI

Squares and roots of 31207845438

• 31207845438 squared (31207845438²) is 973929616882097411844
• 31207845438 cubed (31207845438³) is 30394244951147051498087382567672
• The square root of 31207845438 is 176657.4239538209
• The cube root of 31207845438 is 3148.3856828863

Scales and comparisons

• 31,207,845,438 seconds is equal to 992 years, 16 weeks, 1 day, 21 hours, 57 minutes, 18 seconds.
• To count from 1 to 31,207,845,438 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 31207845438 cubic inches would be around 262.4 feet tall.

Recreational maths with 31207845438

• 31207845438 backwards is 83454870213
• The number of decimal digits it has is: 11
• The sum of 31207845438's digits is 45
• More coming soon!