21493104264

Names of 21493104264

• Cardinal: 21493104264 can be written as Twenty-one billion, four hundred ninety-three million, one hundred four thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1493104264 × 10¹⁰

Factors of 21493104264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12748

Divisors of 21493104264

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 809 1116 1618 2232 2427 3236 4854 6472 7281 9708 11903 14562 19416 23806 25079 29124 35709 47612 50158 58248 71418 75237 95224 100316 107127 142836 150474 200632 214254 225711 285672 300948 368993 428508 451422 601896 737986 857016 902844 1106979 1475972 1805688 2213958 2951944 3320937 4427916 6641874 8855832 9629527 13283748 19259054 26567496 28888581 38518108 57777162 77036216 86665743 115554324 173331486 231108648 298515337 346662972 597030674 693325944 895546011 1194061348 1791092022 2388122696 2686638033 3582184044 5373276066 7164368088 10746552132 21493104264
• Sum of all divisors σ(n): 60167577600
• Sum of proper divisors (its aliquot sum) s(n): 38674473336
• 21493104264 is an abundant number, because the sum of its proper divisors (38674473336) is greater than itself. Its abundance is 17181369072

Bases of 21493104264

• Binary: 10100000001000101101011111010001000₂
• Hexadecimal: 0x50116BE88
• Base-36: 9VGFTE0

Squares and roots of 21493104264

• 21493104264 squared (21493104264²) is 461953530903174981696
• 21493104264 cubed (21493104264³) is 9928815404824885970228419551744
• The square root of 21493104264 is 146605.2668358133
• The cube root of 21493104264 is 2780.3515705329

Scales and comparisons

• 21,493,104,264 seconds is equal to 683 years, 21 weeks, 3 days, 18 hours, 44 minutes, 24 seconds.
• To count from 1 to 21,493,104,264 would take you about one thousand, three hundred sixty-six 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 21493104264 cubic inches would be around 231.7 feet tall.

Recreational maths with 21493104264

• 21493104264 backwards is 46240139412
• 21493104264 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21493104264's digits is 36
• More coming soon!