21210492480

Names of 21210492480

• Cardinal: 21210492480 can be written as Twenty-one billion, two hundred ten million, four hundred ninety-two thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.121049248 × 10¹⁰

Factors of 21210492480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9786

Divisors of 21210492480

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 3547 6229 7094 10641 12458 14188 17735 18687 21282 24916 28376 31145 35470 37374 42564 49832 53205 56752 62290 70940 74748 85128 93435 99664 106410 113504 124580 141880 149496 170256 186870 199328 212820 227008 249160 283760 298992 340512 373740 398656 425640 498320 567520 597984 681024 747480 851280 996640 1135040 1195968 1494960 1702560 1993280 2989920 3405120 5979840 22094263 44188526 66282789 88377052 110471315 132565578 176754104 220942630 265131156 331413945 353508208 441885260 530262312 662827890 707016416 883770520 1060524624 1325655780 1414032832 1767541040 2121049248 2651311560 3535082080 4242098496 5302623120 7070164160 10605246240 21210492480
• Sum of all divisors σ(n): 67373113920
• Sum of proper divisors (its aliquot sum) s(n): 46162621440
• 21210492480 is an abundant number, because the sum of its proper divisors (46162621440) is greater than itself. Its abundance is 24952128960

Bases of 21210492480

• Binary: 10011110000001111100110111001000000₂
• Hexadecimal: 0x4F03E6E40
• Base-36: 9QS6GQO

Squares and roots of 21210492480

• 21210492480 squared (21210492480²) is 449884991244136550400
• 21210492480 cubed (21210492480³) is 9542282223648624146352340992000
• The square root of 21210492480 is 145638.2246527333
• The cube root of 21210492480 is 2768.1115289131

Scales and comparisons

• 21,210,492,480 seconds is equal to 674 years, 22 weeks, 1 day, 19 hours, 28 minutes.
• To count from 1 to 21,210,492,480 would take you about one thousand, three hundred forty-eight 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 21210492480 cubic inches would be around 230.7 feet tall.

Recreational maths with 21210492480

• 21210492480 backwards is 08429401212
• The number of decimal digits it has is: 11
• The sum of 21210492480's digits is 33
• More coming soon!