31421067638490

Names of 31421067638490

• Cardinal: 31421067638490 can be written as Thirty-one trillion, four hundred twenty-one billion, sixty-seven million, six hundred thirty-eight thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.142106763849 × 10¹³

Factors of 31421067638490

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 38791441539

Divisors of 31421067638490

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 38791441529 77582883058 116374324587 193957207645 232748649174 349122973761 387914415290 581871622935 698245947522 1047368921283 1163743245870 1745614868805 2094737842566 3142106763849 3491229737610 5236844606415 6284213527698 10473689212830 15710533819245 31421067638490
• Sum of all divisors σ(n): 84487759652340
• Sum of proper divisors (its aliquot sum) s(n): 53066692013850
• 31421067638490 is an abundant number, because the sum of its proper divisors (53066692013850) is greater than itself. Its abundance is 21645624375360

Bases of 31421067638490

• Binary: 111001001001111001001100100110011011011011010₂
• Hexadecimal: 0x1C93C99336DA
• Base-36: B4YN0EJMI

Squares and roots of 31421067638490

• 31421067638490 squared (31421067638490²) is 987283491542563545329480100
• 31421067638490 cubed (31421067638490³) is 31021501366123459024566529354686449049000
• The square root of 31421067638490 is 5605449.8158925657
• The cube root of 31421067638490 is 31555.3968140507

Scales and comparisons

• 31,421,067,638,490 seconds is equal to 999,092 years, 39 weeks, 3 days, 8 hours, 1 minute, 30 seconds.
• To count from 1 to 31,421,067,638,490 would take you about two million, four hundred ninety-seven thousand, seven hundred 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 31421067638490 cubic inches would be around 2629.6 feet tall.

Recreational maths with 31421067638490

• 31421067638490 backwards is 09483676012413
• 31421067638490 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31421067638490's digits is 54
• More coming soon!