389478173896900742

Names of 389478173896900742

• Cardinal: 389478173896900742 can be written as Three hundred eighty-nine quadrillion, four hundred seventy-eight trillion, one hundred seventy-three billion, eight hundred ninety-six million, nine hundred thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 3.89478173896900742 × 10¹⁷

Factors of 389478173896900742

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 797309

Divisors of 389478173896900742

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 19 38 127 254 2413 4826 16129 32258 306451 612902 797161 1594322 15146059 30292118 101239447 202478894 1923549493 3847098986 12857409769 25714819538 244290785611 488581571222 635465659921 1270931319842 12073847538499 24147695076998 80704138809967 161408277619934 1533378637389373 3066757274778746 10249425628865809 20498851257731618 194739086948450371 389478173896900742
• Sum of all divisors σ(n): 619846691567899860
• Sum of proper divisors (its aliquot sum) s(n): 230368517670999118
• 389478173896900742 is a deficient number, because the sum of its proper divisors (230368517670999118) is less than itself. Its deficiency is 159109656225901624

Bases of 389478173896900742

• Binary: 10101100111101101000101010111101010111001001000000010000110₂
• Hexadecimal: 0x567B455EAE48086
• Base-36: 2YIYHN0LRJIE

Squares and roots of 389478173896900742

• 389478173896900742 squared (389478173896900742²) is 151693247942064454517439673000150564
• 389478173896900742 cubed (389478173896900742³) is 59081209200965060229321582746332965045711978963318488
• The square root of 389478173896900742 is 624081864.7396355339
• The cube root of 389478173896900742 is 730288.3541493413

Scales and comparisons

• 389,478,173,896,900,742 seconds is equal to 12,384,201,194 years, 43 weeks, 19 hours, 59 minutes, 2 seconds.
• To count from 1 to 389,478,173,896,900,742 would take you about thirty-seven billion, one hundred fifty-two million, six hundred three thousand, five hundred eighty-four 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 389478173896900742 cubic inches would be around 60857.4 feet tall.

Recreational maths with 389478173896900742

• 389478173896900742 backwards is 247009698371874983
• The number of decimal digits it has is: 18
• The sum of 389478173896900742's digits is 95
• More coming soon!