42987561349761

Names of 42987561349761

• Cardinal: 42987561349761 can be written as Forty-two trillion, nine hundred eighty-seven billion, five hundred sixty-one million, three hundred forty-nine thousand, seven hundred sixty-one.

Scientific notation

• Scientific notation: 4.2987561349761 × 10¹³

Factors of 42987561349761

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 211517

Divisors of 42987561349761

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 63 189 223 669 1561 2007 4683 4943 6021 14049 14829 34601 42147 44487 103803 133461 206341 311409 619023 934227 1102289 1444387 1857069 3306867 4333161 5571207 7716023 9920601 12999483 23148069 29761803 38998449 46014043 69444207 138042129 208332621 322098301 414126387 966294903 1019943563 1242379161 2898884709 3059830689 7139604941 8696654127 9179492067 21418814823 27538476201 64256444469 192769333407 227447414549 682342243647 1592131901843 2047026730941 4776395705529 6141080192823 14329187116587 42987561349761
• Sum of all divisors σ(n): 73124699504640
• Sum of proper divisors (its aliquot sum) s(n): 30137138154879
• 42987561349761 is a deficient number, because the sum of its proper divisors (30137138154879) is less than itself. Its deficiency is 12850423194882

Bases of 42987561349761

• Binary: 1001110001100011010010010100101111001010000001₂
• Hexadecimal: 0x2718D252F281
• Base-36: F8K7O4DQ9

Squares and roots of 42987561349761

• 42987561349761 squared (42987561349761²) is 1847930430799465768174757121
• 42987561349761 cubed (42987561349761³) is 79438022764082308883676176941743106398081
• The square root of 42987561349761 is 6556490.0175140205
• The cube root of 42987561349761 is 35030.6021739679

Scales and comparisons

• 42,987,561,349,761 seconds is equal to 1,366,871 years, 25 weeks, 7 hours, 49 minutes, 21 seconds.
• To count from 1 to 42,987,561,349,761 would take you about three million, four hundred seventeen thousand, one hundred seventy-eight 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 42987561349761 cubic inches would be around 2919.2 feet tall.

Recreational maths with 42987561349761

• 42987561349761 backwards is 16794316578924
• The number of decimal digits it has is: 14
• The sum of 42987561349761's digits is 72
• More coming soon!