21564023207040

Names of 21564023207040

• Cardinal: 21564023207040 can be written as Twenty-one trillion, five hundred sixty-four billion, twenty-three million, two hundred seven thousand and forty.

Scientific notation

• Scientific notation: 2.156402320704 × 10¹³

Factors of 21564023207040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120766300

Divisors of 21564023207040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 120 124 128 144 155 160 180 186 192 240 248 279 288 310 320 360 372 384 465 480 496 558 576 620 640 720 744 930 960 992 1116 1152 1240 1395 1440 1488 1860 1920 1984 2232 2480 2790 2880 2976 3720 3968 4464 4960 5580 5760 5952 7440 8928 9920 11160 11904 14880 17856 19840 22320 29760 35712 44640 59520 89280 178560 120766259 241532518 362298777 483065036 603831295 724597554 966130072 1086896331 1207662590 1449195108 1811493885 1932260144 2173792662 2415325180 2898390216 3622987770 3743754029 3864520288 4347585324 4830650360 5434481655 5796780432 7245975540 7487508058 7729040576 8695170648 9661300720 10868963310 11231262087 11593560864 14491951080 14975016116 15458081152 17390341296 18718770145 19322601440 21737926620 22462524174 23187121728 28983902160 29950032232 33693786261 34780682592 37437540290 38645202880 43475853240 44925048348 46374243456 56156310435 57967804320 59900064464 67387572522 69561365184 74875080580 77290405760 86951706480 89850096696 112312620870 115935608640 119800128928 134775145044 139122730368 149750161160 168468931305 173903412960 179700193392 224625241740 231871217280 239600257856 269550290088 299500322320 336937862610 347806825920 359400386784 449250483480 479200515712 539100580176 599000644640 673875725220 695613651840 718800773568 898500966960 1078201160352 1198001289280 1347751450440 1437601547136 1797001933920 2156402320704 2396002578560 2695502900880 3594003867840 4312804641408 5391005801760 7188007735680 10782011603520 21564023207040
• Sum of all divisors σ(n): 76865309164800
• Sum of proper divisors (its aliquot sum) s(n): 55301285957760
• 21564023207040 is an abundant number, because the sum of its proper divisors (55301285957760) is greater than itself. Its abundance is 33737262750720

Bases of 21564023207040

• Binary: 100111001110011000011111100010111010010000000₂
• Hexadecimal: 0x139CC3F17480
• Base-36: 7N6DINFK0

Squares and roots of 21564023207040

• 21564023207040 squared (21564023207040²) is 465007096873759686705561600
• 21564023207040 cubed (21564023207040³) is 10027423828424051317334730105836273664000
• The square root of 21564023207040 is 4643707.9157759265
• The cube root of 21564023207040 is 27834.0624203353

Scales and comparisons

• 21,564,023,207,040 seconds is equal to 685,669 years, 12 weeks, 1 day, 22 hours, 24 minutes.
• To count from 1 to 21,564,023,207,040 would take you about one million, seven hundred fourteen thousand, one hundred seventy-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 21564023207040 cubic inches would be around 2319.5 feet tall.

Recreational maths with 21564023207040

• 21564023207040 backwards is 04070232046512
• 21564023207040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21564023207040's digits is 36
• More coming soon!