21306102480

Names of 21306102480

• Cardinal: 21306102480 can be written as Twenty-one billion, three hundred six million, one hundred two thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.130610248 × 10¹⁰

Factors of 21306102480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2276316

Divisors of 21306102480

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 9360 2276293 4552586 6828879 9105172 11381465 13657758 18210344 20486637 22762930 27315516 29591809 34144395 36420688 40973274 45525860 54631032 59183618 68288790 81946548 88775427 91051720 102433185 109262064 118367236 136577580 147959045 163893096 177550854 182103440 204866370 236734472 266326281 273155160 295918090 327786192 355101708 409732740 443877135 473468944 532652562 546310320 591836180 710203416 819465480 887754270 1065305124 1183672360 1331631405 1420406832 1638930960 1775508540 2130610248 2367344720 2663262810 3551017080 4261220496 5326525620 7102034160 10653051240 21306102480
• Sum of all divisors σ(n): 77057104488
• Sum of proper divisors (its aliquot sum) s(n): 55751002008
• 21306102480 is an abundant number, because the sum of its proper divisors (55751002008) is greater than itself. Its abundance is 34444899528

Bases of 21306102480

• Binary: 10011110101111100010101001011010000₂
• Hexadecimal: 0x4F5F152D0
• Base-36: 9SD3PW0

Squares and roots of 21306102480

• 21306102480 squared (21306102480²) is 453950002888262150400
• 21306102480 cubed (21306102480³) is 9671905282333609365527572992000
• The square root of 21306102480 is 145966.1004480149
• The cube root of 21306102480 is 2772.2645437575

Scales and comparisons

• 21,306,102,480 seconds is equal to 677 years, 24 weeks, 2 days, 9 hours, 48 minutes.
• To count from 1 to 21,306,102,480 would take you about one thousand, three hundred fifty-four 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 21306102480 cubic inches would be around 231 feet tall.

Recreational maths with 21306102480

• 21306102480 backwards is 08420160312
• The number of decimal digits it has is: 11
• The sum of 21306102480's digits is 27
• More coming soon!