21146630045472

Names of 21146630045472

• Cardinal: 21146630045472 can be written as Twenty-one trillion, one hundred forty-six billion, six hundred thirty million, forty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1146630045472 × 10¹³

Factors of 21146630045472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 37064

Divisors of 21146630045472

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 433 866 1299 1732 2598 3464 3897 5196 5437 6928 7794 10392 10874 13856 15588 16311 20784 21748 31176 31189 32622 41568 43496 48933 62352 62378 65244 86992 93567 97866 124704 124756 130488 173984 187134 195732 249512 260976 280701 374268 391464 499024 521952 561402 748536 782928 998048 1122804 1497072 1565856 2245608 2354221 2994144 4491216 4708442 7062663 8982432 9416884 13504837 14125326 18833768 21187989 27009674 28250652 37667536 40514511 42375978 54019348 56501304 75335072 81029022 84751956 108038696 113002608 121543533 162058044 169503912 169574593 216077392 226005216 243087066 324116088 339007824 339149186 432154784 486174132 508723779 648232176 678015648 678298372 972348264 1017447558 1296464352 1356596744 1526171337 1944696528 2034895116 2713193488 3052342674 3889393056 4069790232 5426386976 6104685348 8139580464 12209370696 16279160928 24418741392 48837482784 73425798769 146851597538 220277396307 293703195076 440554792614 587406390152 660832188921 881109585228 1174812780304 1321664377842 1762219170456 2349625560608 2643328755684 3524438340912 5286657511368 7048876681824 10573315022736 21146630045472
• Sum of all divisors σ(n): 60287629704120
• Sum of proper divisors (its aliquot sum) s(n): 39140999658648
• 21146630045472 is an abundant number, because the sum of its proper divisors (39140999658648) is greater than itself. Its abundance is 17994369613176

Bases of 21146630045472

• Binary: 100110011101110010101010111110011111100100000₂
• Hexadecimal: 0x133B955F3F20
• Base-36: 7HUMLJEW0

Squares and roots of 21146630045472

• 21146630045472 squared (21146630045472²) is 447179962280059120787702784
• 21146630045472 cubed (21146630045472³) is 9456349226084533850221707663676340994048
• The square root of 21146630045472 is 4598546.5144404053
• The cube root of 21146630045472 is 27653.3057731883

Scales and comparisons

• 21,146,630,045,472 seconds is equal to 672,397 years, 22 weeks, 13 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,146,630,045,472 would take you about one million, six hundred eighty thousand, nine hundred ninety-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 21146630045472 cubic inches would be around 2304.4 feet tall.

Recreational maths with 21146630045472

• 21146630045472 backwards is 27454003664112
• The number of decimal digits it has is: 14
• The sum of 21146630045472's digits is 45
• More coming soon!