3998940899073172

Names of 3998940899073172

• Cardinal: 3998940899073172 can be written as Three quadrillion, nine hundred ninety-eight trillion, nine hundred forty billion, eight hundred ninety-nine million, seventy-three thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 3.998940899073172 × 10¹⁵

Factors of 3998940899073172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19995

Divisors of 3998940899073172

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 13 26 52 449 898 1796 5837 11674 19531 23348 39062 78124 201601 253903 403202 507806 806404 1015612 2620813 5241626 8769419 10483252 17538838 35077676 114002447 228004894 381459961 456009788 762919922 1525839844 3937469131 4958979493 7874938262 9917958986 15749876524 19835917972 51187098703 102374197406 171275522489 204748394812 342551044978 685102089956 2226581792357 4453163584714 8906327169428 76902709597561 153805419195122 307610838390244 999735224768293 1999470449536586 3998940899073172
• Sum of all divisors σ(n): 7553674677934014
• Sum of proper divisors (its aliquot sum) s(n): 3554733778860842
• 3998940899073172 is a deficient number, because the sum of its proper divisors (3554733778860842) is less than itself. Its deficiency is 444207120212330

Bases of 3998940899073172

• Binary: 1110001101010000001111111011110001000101110010010100₂
• Hexadecimal: 0xE3503FBC45C94
• Base-36: 13DI835PP5G

Squares and roots of 3998940899073172

• 3998940899073172 squared (3998940899073172²) is 15991528314280149207928610141584
• 3998940899073172 cubed (3998940899073172³) is 63949176614661546521220681245248990505295984448
• The square root of 3998940899073172 is 63237179.7210562831
• The cube root of 3998940899073172 is 158726.0938107461

Scales and comparisons

• 3,998,940,899,073,172 seconds is equal to 127,153,951 years, 2 weeks, 5 days, 17 hours, 12 minutes, 52 seconds.
• To count from 1 to 3,998,940,899,073,172 would take you about three hundred eighty-one million, four hundred sixty-one thousand, eight hundred fifty-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 3998940899073172 cubic inches would be around 13227.2 feet tall.

Recreational maths with 3998940899073172

• 3998940899073172 backwards is 2713709980498993
• The number of decimal digits it has is: 16
• The sum of 3998940899073172's digits is 88
• More coming soon!