21423943200

Names of 21423943200

• Cardinal: 21423943200 can be written as Twenty-one billion, four hundred twenty-three million, nine hundred forty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.14239432 × 10¹⁰

Factors of 21423943200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19855

Divisors of 21423943200

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 41 44 48 50 55 60 66 75 80 82 88 96 100 110 120 123 132 150 160 164 165 176 200 205 220 240 246 264 275 300 328 330 352 400 410 440 451 480 492 528 550 600 615 656 660 800 820 825 880 902 984 1025 1056 1100 1200 1230 1312 1320 1353 1640 1650 1760 1804 1968 2050 2200 2255 2400 2460 2640 2706 3075 3280 3300 3608 3936 4100 4400 4510 4920 5280 5412 6150 6560 6600 6765 7216 8200 8800 9020 9840 10824 11275 12300 13200 13530 14432 16400 18040 19680 19793 21648 22550 24600 26400 27060 32800 33825 36080 39586 43296 45100 49200 54120 59379 67650 72160 79172 90200 98400 98965 108240 118758 135300 158344 180400 197930 216480 217723 237516 270600 296895 316688 360800 395860 435446 475032 494825 541200 593790 633376 653169 791720 811513 870892 950064 989650 1082400 1088615 1187580 1306338 1484475 1583440 1623026 1741784 1900128 1979300 2177230 2375160 2434539 2612676 2968950 3166880 3246052 3265845 3483568 3958600 4057565 4354460 4750320 4869078 5225352 5443075 5937900 6492104 6531690 6967136 7917200 8115130 8708920 8926643 9500640 9738156 10450704 10886150 11875800 12172695 12984208 13063380 15834400 16230260 16329225 17417840 17853286 19476312 20287825 20901408 21772300 23751600 24345390 25968416 26126760 26779929 32460520 32658450 34835680 35706572 38952624 40575650 43544600 44633215 47503200 48690780 52253520 53559858 60863475 64921040 65316900 71413144 77905248 81151300 87089200 89266430 97381560 104507040 107119716 121726950 129842080 130633800 133899645 142826288 162302600 174178400 178532860 194763120 214239432 223166075 243453900 261267600 267799290 285652576 324605200 357065720 389526240 428478864 446332150 486907800 522535200 535598580 649210400 669498225 714131440 856957728 892664300 973815600 1071197160 1338996450 1428262880 1785328600 1947631200 2142394320 2677992900 3570657200 4284788640 5355985800 7141314400 10711971600 21423943200
• Sum of all divisors σ(n): 77933886912
• Sum of proper divisors (its aliquot sum) s(n): 56509943712
• 21423943200 is an abundant number, because the sum of its proper divisors (56509943712) is greater than itself. Its abundance is 35086000512

Bases of 21423943200

• Binary: 10011111100111101110110111000100000₂
• Hexadecimal: 0x4FCF76E20
• Base-36: 9UB9GDC

Squares and roots of 21423943200

• 21423943200 squared (21423943200²) is 458985342236826240000
• 21423943200 cubed (21423943200³) is 9833275901714326314029568000000
• The square root of 21423943200 is 146369.2016784951
• The cube root of 21423943200 is 2777.3661370935

Scales and comparisons

• 21,423,943,200 seconds is equal to 681 years, 11 weeks, 1 day, 7 hours, 20 minutes.
• To count from 1 to 21,423,943,200 would take you about one thousand, three hundred sixty-two 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 21423943200 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423943200

• 21423943200 backwards is 00234932412
• 21423943200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21423943200's digits is 30
• More coming soon!