400745390402759640

Names of 400745390402759640

• Cardinal: 400745390402759640 can be written as Four hundred quadrillion, seven hundred forty-five trillion, three hundred ninety billion, four hundred two million, seven hundred fifty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.0074539040275964 × 10¹⁷

Factors of 400745390402759640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 68153977959670

Divisors of 400745390402759640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 68153977959653 136307955919306 204461933878959 272615911838612 340769889798265 408923867757918 477077845717571 545231823677224 681539779596530 817847735515836 954155691435142 1022309669394795 1363079559193060 1431233537152713 1635695471031672 1908311382870284 2044619338789590 2385389228587855 2726159118386120 2862467074305426 3339544920022997 3816622765740568 4089238677579180 4770778457175710 5724934148610852 6679089840045994 7156167685763565 8178477355158360 9541556914351420 10018634760068991 11449868297221704 13358179680091988 14312335371527130 16697724600114985 19083113828702840 20037269520137982 26716359360183976 28624670743054260 33395449200229970 40074539040275964 50093173800344955 57249341486108520 66790898400459940 80149078080551928 100186347600689910 133581796800919880 200372695201379820 400745390402759640
• Sum of all divisors σ(n): 1398519627732100080
• Sum of proper divisors (its aliquot sum) s(n): 997774237329340440
• 400745390402759640 is an abundant number, because the sum of its proper divisors (997774237329340440) is greater than itself. Its abundance is 597028846926580800

Bases of 400745390402759640

• Binary: 10110001111101110111100111100110000010101001110101111011000₂
• Hexadecimal: 0x58FBBCF3054EBD8
• Base-36: 31LWDUTMFZKO

Squares and roots of 400745390402759640

• 400745390402759640 squared (400745390402759640²) is 160596867929060238178334527612929600
• 400745390402759640 cubed (400745390402759640³) is 64358454535691674194505406885729511735497585041344000
• The square root of 400745390402759640 is 633044540.6152395213
• The cube root of 400745390402759640 is 737263.6893545137

Scales and comparisons

• 400,745,390,402,759,640 seconds is equal to 12,742,463,827 years, 48 weeks, 1 day, 6 hours, 34 minutes.
• To count from 1 to 400,745,390,402,759,640 would take you about thirty-eight billion, two hundred twenty-seven million, three hundred ninety-one thousand, four hundred eighty-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 400745390402759640 cubic inches would be around 61438.6 feet tall.

Recreational maths with 400745390402759640

• 400745390402759640 backwards is 046957204093547004
• The number of decimal digits it has is: 18
• The sum of 400745390402759640's digits is 69
• More coming soon!