21428097360

Names of 21428097360

• Cardinal: 21428097360 can be written as Twenty-one billion, four hundred twenty-eight million, ninety-seven thousand, three hundred sixty.

Scientific notation

• Scientific notation: 2.142809736 × 10¹⁰

Factors of 21428097360

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 547926

Divisors of 21428097360

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 163 240 326 489 652 815 978 1304 1630 1956 2445 2608 3260 3912 4890 6520 7824 9780 13040 19560 39120 547753 1095506 1643259 2191012 2738765 3286518 4382024 5477530 6573036 8216295 8764048 10955060 13146072 16432590 21910120 26292144 32865180 43820240 65730360 89283739 131460720 178567478 267851217 357134956 446418695 535702434 714269912 892837390 1071404868 1339256085 1428539824 1785674780 2142809736 2678512170 3571349560 4285619472 5357024340 7142699120 10714048680 21428097360
• Sum of all divisors σ(n): 66834752064
• Sum of proper divisors (its aliquot sum) s(n): 45406654704
• 21428097360 is an abundant number, because the sum of its proper divisors (45406654704) is greater than itself. Its abundance is 23978557344

Bases of 21428097360

• Binary: 10011111101001101101101000101010000₂
• Hexadecimal: 0x4FD36D150
• Base-36: 9UDQHQO

Squares and roots of 21428097360

• 21428097360 squared (21428097360²) is 459163356469638969600
• 21428097360 cubed (21428097360³) is 9838997106575809724638880256000
• The square root of 21428097360 is 146383.3916808871
• The cube root of 21428097360 is 2777.5456384047

Scales and comparisons

• 21,428,097,360 seconds is equal to 681 years, 18 weeks, 9 hours, 16 minutes.
• To count from 1 to 21,428,097,360 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 21428097360 cubic inches would be around 231.5 feet tall.

Recreational maths with 21428097360

• 21428097360 backwards is 06379082412
• The number of decimal digits it has is: 11
• The sum of 21428097360's digits is 42
• More coming soon!