1218638043211127

Names of 1218638043211127

• Cardinal: 1218638043211127 can be written as One quadrillion, two hundred eighteen trillion, six hundred thirty-eight billion, forty-three million, two hundred eleven thousand, one hundred twenty-seven.

Scientific notation

• Scientific notation: 1.218638043211127 × 10¹⁵

Factors of 1218638043211127

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 134

Divisors of 1218638043211127

• Number of divisors d(n): 56
• Complete list of divisors:
  1 7 11 19 77 97 133 209 679 1067 1463 1843 7469 9409 12901 20273 65863 103499 141911 178771 724493 912673 1251397 1966481 6388711 10039403 13765367 17340787 70275821 88529281 121385509 190748657 619704967 973822091 1335240599 1682056339 6816754637 8587340257 11774394373 18502619729 60111381799 94460742827 129518338103 163159464883 661225199789 832972004929 1142116254181 1794754113713 5830804034503 9162692054219 12563278795991 15826468093651 64138844379533 110785276655557 174091149030161 1218638043211127
• Sum of all divisors σ(n): 1615965689562240
• Sum of proper divisors (its aliquot sum) s(n): 397327646351113
• 1218638043211127 is a deficient number, because the sum of its proper divisors (397327646351113) is less than itself. Its deficiency is 821310396860014

Bases of 1218638043211127

• Binary: 100010101000101100001000111101011001110010101110111₂
• Hexadecimal: 0x4545847ACE577
• Base-36: BZYYL6MJCN

Squares and roots of 1218638043211127

• 1218638043211127 squared (1218638043211127²) is 1485078680361444637253496610129
• 1218638043211127 cubed (1218638043211127³) is 1809773377050233631944116725804157516353705383
• The square root of 1218638043211127 is 34908996.5941607521
• The cube root of 1218638043211127 is 106813.1961515475
• Being both a perfect square and a perfect cube, 1218638043211127 is also a perfect sixth number.

Scales and comparisons

• 1,218,638,043,211,127 seconds is equal to 38,748,920 years, 14 weeks, 3 days, 14 hours, 38 minutes, 47 seconds.
• To count from 1 to 1,218,638,043,211,127 would take you about one hundred sixteen million, two hundred forty-six thousand, seven hundred sixty 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 1218638043211127 cubic inches would be around 8901.1 feet tall.

Recreational maths with 1218638043211127

• 1218638043211127 backwards is 7211123408368121
• The number of decimal digits it has is: 16
• The sum of 1218638043211127's digits is 50
• More coming soon!