401131998916390781

Names of 401131998916390781

• Cardinal: 401131998916390781 can be written as Four hundred one quadrillion, one hundred thirty-one trillion, nine hundred ninety-eight billion, nine hundred sixteen million, three hundred ninety thousand, seven hundred eighty-one.

Scientific notation

• Scientific notation: 4.01131998916390781 × 10¹⁷

Factors of 401131998916390781

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 163413

Divisors of 401131998916390781

• Number of divisors d(n): 32
• Complete list of divisors:
  1 13 757 9841 16481 19531 126631 214253 253903 1646203 12476117 14784967 95859667 162189521 192204571 321890411 1246175671 2087005511 2473230061 4184575343 27131071643 32151990793 243671041127 1579863171827 1872235156177 3167723534651 20538221233751 24339057030301 40761304635341 529896960259433 30856307608953137 401131998916390781
• Sum of all divisors σ(n): 432610775637148416
• Sum of proper divisors (its aliquot sum) s(n): 31478776720757635
• 401131998916390781 is a deficient number, because the sum of its proper divisors (31478776720757635) is less than itself. Its deficiency is 369653222195633146

Bases of 401131998916390781

• Binary: 10110010001000110110110110101111111011101000010111101111101₂
• Hexadecimal: 0x5911B6D7F742F7D
• Base-36: 31PPFCBLIV7H

Squares and roots of 401131998916390781

• 401131998916390781 squared (401131998916390781²) is 160906880554659334702392939501789961
• 401131998916390781 cubed (401131998916390781³) is 64544898636291429078279596120312400031203131258749541
• The square root of 401131998916390781 is 633349823.4912446717
• The cube root of 401131998916390781 is 737500.6983680929

Scales and comparisons

• 401,131,998,916,390,781 seconds is equal to 12,754,756,782 years, 41 weeks, 4 days, 16 hours, 59 minutes, 41 seconds.
• To count from 1 to 401,131,998,916,390,781 would take you about thirty-eight billion, two hundred sixty-four million, two hundred seventy thousand, three hundred forty-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 401131998916390781 cubic inches would be around 61458.4 feet tall.

Recreational maths with 401131998916390781

• 401131998916390781 backwards is 187093619899131104
• The number of decimal digits it has is: 18
• The sum of 401131998916390781's digits is 80
• More coming soon!