21407943804

Names of 21407943804

• Cardinal: 21407943804 can be written as Twenty-one billion, four hundred seven million, nine hundred forty-three thousand, eight hundred four.

Scientific notation

• Scientific notation: 2.1407943804 × 10¹⁰

Factors of 21407943804

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 994

Divisors of 21407943804

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 12 13 17 26 34 39 51 52 53 68 78 102 106 156 159 204 212 221 223 318 442 446 636 663 669 683 689 884 892 901 1326 1338 1366 1378 1802 2049 2067 2652 2676 2703 2732 2756 2899 3604 3791 4098 4134 5406 5798 7582 8196 8268 8697 8879 10812 11373 11596 11611 11713 11819 15164 17394 17758 22746 23222 23426 23638 26637 34788 34833 35139 35457 35516 36199 45492 46444 46852 47276 49283 53274 69666 70278 70914 72398 98566 106548 108597 139332 140556 141828 144796 147849 150943 152309 153647 197132 200923 217194 295698 301886 304618 307294 401846 434388 452829 456927 460941 470587 591396 602769 603772 609236 614588 615383 803692 905658 913854 921882 941174 1205538 1230766 1411761 1811316 1827708 1843764 1846149 1882348 1980017 2411076 2461532 2589253 2611999 2823522 3692298 3960034 5178506 5223998 5647044 5940051 7384596 7767759 7835997 7920068 7999979 8072377 10357012 10447996 11880102 15535518 15671994 15999958 16144754 23760204 23999937 24217131 31071036 31343988 31999916 32289508 33660289 47999874 48434262 67320578 95999748 96868524 100980867 104940901 134641156 137230409 201961734 209881802 274460818 314822703 403923468 411691227 419763604 548921636 629645406 823382454 1259290812 1646764908 1783995317 3567990634 5351985951 7135981268 10703971902 21407943804
• Sum of all divisors σ(n): 58378973184
• Sum of proper divisors (its aliquot sum) s(n): 36971029380
• 21407943804 is an abundant number, because the sum of its proper divisors (36971029380) is greater than itself. Its abundance is 15563085576

Bases of 21407943804

• Binary: 10011111100000000110100110001111100₂
• Hexadecimal: 0x4FC034C7C
• Base-36: 9U1QJ5O

Squares and roots of 21407943804

• 21407943804 squared (21407943804²) is 458300057915221990416
• 21407943804 cubed (21407943804³) is 9811261885219017767010754582464
• The square root of 21407943804 is 146314.5372271669
• The cube root of 21407943804 is 2776.6745861111

Scales and comparisons

• 21,407,943,804 seconds is equal to 680 years, 36 weeks, 5 days, 3 hours, 3 minutes, 24 seconds.
• To count from 1 to 21,407,943,804 would take you about one thousand, three hundred sixty-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 21407943804 cubic inches would be around 231.4 feet tall.

Recreational maths with 21407943804

• 21407943804 backwards is 40834970412
• The number of decimal digits it has is: 11
• The sum of 21407943804's digits is 42
• More coming soon!