21442739726915

Names of 21442739726915

• Cardinal: 21442739726915 can be written as Twenty-one trillion, four hundred forty-two billion, seven hundred thirty-nine million, seven hundred twenty-six thousand, nine hundred fifteen.

Scientific notation

• Scientific notation: 2.1442739726915 × 10¹³

Factors of 21442739726915

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 414

Divisors of 21442739726915

• Number of divisors d(n): 216
• Complete list of divisors:
  1 5 13 17 19 23 65 85 95 115 221 247 289 299 323 337 391 437 529 1105 1235 1445 1495 1615 1685 1955 2185 2645 3757 4199 4381 5083 5491 5681 5729 6403 6647 6877 7429 7751 8993 10051 18785 20995 21905 25415 27455 28405 28645 32015 33235 34385 37145 38755 44965 50255 71383 74477 83239 86411 96577 97393 100763 108851 113569 116909 126293 130663 131767 147269 152881 170867 178273 356915 372385 416195 432055 482885 486965 503815 544255 567845 584545 631465 653315 658835 736345 764405 854335 891365 1266109 1415063 1476397 1641809 1712971 1850467 1914497 1930673 1987453 2157811 2221271 2240039 2317549 2503573 2612087 2904739 3030641 3387187 6330545 7075315 7381985 8209045 8564855 9252335 9572485 9653365 9937265 10789055 11106355 11200195 11587745 12517865 13060435 14523695 15153205 16935935 24056071 25098749 28051543 29120507 32546449 32821441 33957131 36682787 37761607 39398333 42560741 44033431 44405479 49629653 51520897 57582179 60078001 120280355 125493745 140257715 145602535 162732245 164107205 169785655 183413935 188808035 196991665 212803705 220167155 222027395 248148265 257604485 287910895 300390005 426678733 476876231 553289633 577271227 623607379 645185489 669771661 748568327 754893143 781014013 843704101 978897043 1021326017 1141482019 2133393665 2384381155 2766448165 2886356135 3118036895 3225927445 3348858305 3742841635 3774465715 3905070065 4218520505 4894485215 5106630085 5707410095 8106895927 9813610859 10968153313 12725661559 13277238221 14342969717 14839266247 17362542289 19405194323 40534479635 49068054295 54840766565 63628307795 66386191105 71714848585 74196331235 86812711445 97025971615 186458606321 225713049757 252267526199 329888303491 932293031605 1128565248785 1261337630995 1649441517455 4288547945383 21442739726915
• Sum of all divisors σ(n): 32488016898960
• Sum of proper divisors (its aliquot sum) s(n): 11045277172045
• 21442739726915 is a deficient number, because the sum of its proper divisors (11045277172045) is less than itself. Its deficiency is 10397462554870

Bases of 21442739726915

• Binary: 100111000000010000110111000100110101001000011₂
• Hexadecimal: 0x138086E26A43
• Base-36: 7LMNPLJCZ

Squares and roots of 21442739726915

• 21442739726915 squared (21442739726915²) is 459791086996218768775417225
• 21442739726915 cubed (21442739726915³) is 9859180607215251049608987476161687110875
• The square root of 21442739726915 is 4630630.5971125575
• The cube root of 21442739726915 is 27781.7815034445

Scales and comparisons

• 21,442,739,726,915 seconds is equal to 681,812 years, 41 weeks, 2 days, 22 hours, 48 minutes, 35 seconds.
• To count from 1 to 21,442,739,726,915 would take you about one million, seven hundred four thousand, five hundred thirty-one 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 21442739726915 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21442739726915

• 21442739726915 backwards is 51962793724412
• The number of decimal digits it has is: 14
• The sum of 21442739726915's digits is 62
• More coming soon!