21230934078240

Names of 21230934078240

• Cardinal: 21230934078240 can be written as Twenty-one trillion, two hundred thirty billion, nine hundred thirty-four million, seventy-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.123093407824 × 10¹³

Factors of 21230934078240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 61689388

Divisors of 21230934078240

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 239 240 288 360 478 480 717 720 956 1195 1434 1440 1912 2151 2390 2868 3585 3824 4302 4780 5736 7170 7648 8604 9560 10755 11472 14340 17208 19120 21510 22944 28680 34416 38240 43020 57360 68832 86040 114720 172080 344160 61689139 123378278 185067417 246756556 308445695 370134834 493513112 555202251 616891390 740269668 925337085 987026224 1110404502 1233782780 1480539336 1850674170 1974052448 2220809004 2467565560 2776011255 2961078672 3701348340 4441618008 4935131120 5552022510 5922157344 7402696680 8883236016 9870262240 11104045020 14743704221 14805393360 17766472032 22208090040 29487408442 29610786720 44231112663 44416180080 58974816884 73718521105 88462225326 88832360160 117949633768 132693337989 147437042210 176924450652 221155563315 235899267536 265386675978 294874084420 353848901304 442311126630 471798535072 530773351956 589748168840 663466689945 707697802608 884622253260 1061546703912 1179496337680 1326933379890 1415395605216 1769244506520 2123093407824 2358992675360 2653866759780 3538489013040 4246186815648 5307733519560 7076978026080 10615467039120 21230934078240
• Sum of all divisors σ(n): 72753704150400
• Sum of proper divisors (its aliquot sum) s(n): 51522770072160
• 21230934078240 is an abundant number, because the sum of its proper divisors (51522770072160) is greater than itself. Its abundance is 30291835993920

Bases of 21230934078240

• Binary: 100110100111100110110010010001011001100100000₂
• Hexadecimal: 0x134F3648B320
• Base-36: 7IXCTZEW0

Squares and roots of 21230934078240

• 21230934078240 squared (21230934078240²) is 450752561834572558441497600
• 21230934078240 cubed (21230934078240³) is 9569897925907609344419535379221172224000
• The square root of 21230934078240 is 4607703.7750098475
• The cube root of 21230934078240 is 27690.0049861737

Scales and comparisons

• 21,230,934,078,240 seconds is equal to 675,078 years, 1 week, 4 days, 16 hours, 24 minutes.
• To count from 1 to 21,230,934,078,240 would take you about one million, six hundred eighty-seven thousand, six hundred ninety-five 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 21230934078240 cubic inches would be around 2307.5 feet tall.

Recreational maths with 21230934078240

• 21230934078240 backwards is 04287043903212
• 21230934078240 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21230934078240's digits is 45
• More coming soon!