21341320

Names of 21341320

• Cardinal: 21341320 can be written as Twenty-one million, three hundred forty-one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.134132 × 10⁷

Factors of 21341320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 79

Divisors of 21341320

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 20 22 26 28 35 40 41 44 52 55 56 65 70 77 82 88 91 104 110 130 140 143 154 164 169 182 205 220 260 280 286 287 308 328 338 364 385 410 440 451 455 520 533 572 574 616 676 715 728 770 820 845 902 910 1001 1066 1144 1148 1183 1352 1430 1435 1540 1640 1690 1804 1820 1859 2002 2132 2255 2296 2366 2665 2860 2870 3080 3157 3380 3608 3640 3718 3731 4004 4264 4510 4732 5005 5330 5720 5740 5863 5915 6314 6760 6929 7436 7462 8008 9020 9295 9464 10010 10660 11480 11726 11830 12628 13013 13858 14872 14924 15785 18040 18590 18655 20020 21320 23452 23660 25256 26026 27716 29315 29848 31570 34645 37180 37310 40040 41041 46904 47320 48503 52052 55432 58630 63140 65065 69290 74360 74620 76219 82082 97006 104104 117260 126280 130130 138580 149240 152438 164164 194012 205205 234520 242515 260260 277160 304876 328328 381095 388024 410410 485030 520520 533533 609752 762190 820820 970060 1067066 1524380 1641640 1940120 2134132 2667665 3048760 4268264 5335330 10670660 21341320
• Sum of all divisors σ(n): 66407040
• Sum of proper divisors (its aliquot sum) s(n): 45065720
• 21341320 is an abundant number, because the sum of its proper divisors (45065720) is greater than itself. Its abundance is 23724400

Bases of 21341320

• Binary: 1010001011010010010001000₂
• Hexadecimal: 0x145A488
• Base-36: CPF2G

Squares and roots of 21341320

• 21341320 squared (21341320²) is 455451939342400
• 21341320 cubed (21341320³) is 9719945582126747968000
• The square root of 21341320 is 4619.6666546409
• The cube root of 21341320 is 277.3791157057

Scales and comparisons

• 21,341,320 seconds is equal to 35 weeks, 2 days, 8 minutes, 40 seconds.
• To count from 1 to 21,341,320 would take you about six days!

  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 21341320 cubic inches would be around 23.1 feet tall.

Recreational maths with 21341320

• 21341320 backwards is 02314312
• The number of decimal digits it has is: 8
• The sum of 21341320's digits is 16
• More coming soon!