31813936245

Names of 31813936245

• Cardinal: 31813936245 can be written as Thirty-one billion, eight hundred thirteen million, nine hundred thirty-six thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 3.1813936245 × 10¹⁰

Factors of 31813936245

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1126

Divisors of 31813936245

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 45 49 63 65 81 91 105 117 127 135 147 189 195 245 273 315 351 381 405 441 455 567 585 635 637 735 819 889 945 971 1053 1143 1323 1365 1651 1755 1905 1911 2205 2457 2667 2835 2913 3185 3429 3969 4095 4445 4855 4953 5265 5715 5733 6223 6615 6797 7371 8001 8255 8739 9555 10287 11557 12285 12623 13335 14565 14859 17145 17199 18669 19845 20391 24003 24765 26217 28665 31115 33985 34671 36855 37869 40005 43695 44577 47579 51435 51597 56007 57785 61173 63115 72009 74295 78651 80899 85995 88361 93345 101955 104013 113607 120015 123317 131085 133731 142737 168021 173355 183519 189345 222885 237895 242697 257985 265083 280035 305865 312039 340821 360045 369951 393255 404495 428211 441805 504063 520065 550557 568035 616585 618527 668655 713685 728091 795249 840105 863219 917595 936117 1022463 1109853 1213485 1284633 1325415 1560195 1603121 1704105 1849755 1855581 2141055 2184273 2385747 2520315 2589657 2752785 3092635 3329559 3640455 3853899 3976245 4316095 4680585 4809363 5112315 5549265 5566743 6042533 6423165 6552819 7157241 7768971 8015605 9277905 9988677 10921365 11221847 11928735 12948285 14428089 16647795 16700229 18127599 19269495 23306913 24046815 27833715 30212665 32764095 33665541 35786205 38844855 43284267 49943385 50100687 54382797 56109235 69920739 72140445 78552929 83501145 90637995 100996623 116534565 129852801 163148391 168327705 216421335 235658787 250503435 271913985 302989869 349603695 392764645 489445173 504983115 649264005 706976361 815741955 908969607 1178293935 1514949345 2120929083 2447225865 3534881805 4544848035 6362787249 10604645415 31813936245
• Sum of all divisors σ(n): 72080160768
• Sum of proper divisors (its aliquot sum) s(n): 40266224523
• 31813936245 is an abundant number, because the sum of its proper divisors (40266224523) is greater than itself. Its abundance is 8452288278

Bases of 31813936245

• Binary: 11101101000010000100010010001110101₂
• Hexadecimal: 0x768422475
• Base-36: EM572B9

Squares and roots of 31813936245

• 31813936245 squared (31813936245²) is 1012126539400924700025
• 31813936245 cubed (31813936245³) is 32199729196373498900641099906125
• The square root of 31813936245 is 178364.6160116967
• The cube root of 31813936245 is 3168.6368516721

Scales and comparisons

• 31,813,936,245 seconds is equal to 1,011 years, 30 weeks, 2 days, 20 hours, 30 minutes, 45 seconds.
• To count from 1 to 31,813,936,245 would take you about two thousand and twenty-three 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 31813936245 cubic inches would be around 264.1 feet tall.

Recreational maths with 31813936245

• 31813936245 backwards is 54263931813
• 31813936245 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31813936245's digits is 45
• More coming soon!