21790045864720

Names of 21790045864720

• Cardinal: 21790045864720 can be written as Twenty-one trillion, seven hundred ninety billion, forty-five million, eight hundred sixty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.179004586472 × 10¹³

Factors of 21790045864720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 41885546

Divisors of 21790045864720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 929 1858 3716 4645 6503 7432 9290 13006 14864 18580 26012 32515 37160 52024 65030 74320 104048 130060 260120 520240 41884603 83769206 167538412 209423015 293192221 335076824 418846030 586384442 670153648 837692060 1172768884 1465961105 1675384120 2345537768 2931922210 3350768240 4691075536 5863844420 11727688840 23455377680 38910796187 77821592374 155643184748 194553980935 272375573309 311286369496 389107961870 544751146618 622572738992 778215923740 1089502293236 1361877866545 1556431847480 2179004586472 2723755733090 3112863694960 4358009172944 5447511466180 10895022932360 21790045864720
• Sum of all divisors σ(n): 57961590399360
• Sum of proper divisors (its aliquot sum) s(n): 36171544534640
• 21790045864720 is an abundant number, because the sum of its proper divisors (36171544534640) is greater than itself. Its abundance is 14381498669920

Bases of 21790045864720

• Binary: 100111101000101100011111100011000001100010000₂
• Hexadecimal: 0x13D163F18310
• Base-36: 7Q27IPEDS

Squares and roots of 21790045864720

• 21790045864720 squared (21790045864720²) is 474806098786601172540678400
• 21790045864720 cubed (21790045864720³) is 10346046669408814689463912585903426048000
• The square root of 21790045864720 is 4667980.9194897101
• The cube root of 21790045864720 is 27930.9719149669

Scales and comparisons

• 21,790,045,864,720 seconds is equal to 692,856 years, 2 weeks, 6 days, 21 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,790,045,864,720 would take you about one million, seven hundred thirty-two thousand, one hundred forty 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 21790045864720 cubic inches would be around 2327.6 feet tall.

Recreational maths with 21790045864720

• 21790045864720 backwards is 02746854009712
• The number of decimal digits it has is: 14
• The sum of 21790045864720's digits is 55
• More coming soon!