21431964190

Names of 21431964190

• Cardinal: 21431964190 can be written as Twenty-one billion, four hundred thirty-one million, nine hundred sixty-four thousand, one hundred ninety.

Scientific notation

• Scientific notation: 2.143196419 × 10¹⁰

Factors of 21431964190

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 261

Divisors of 21431964190

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 7 10 13 14 23 26 35 46 65 70 91 115 130 161 182 211 230 299 322 422 455 529 598 805 910 1055 1058 1477 1495 1610 2093 2110 2645 2743 2954 2990 3703 4186 4853 5290 5486 6877 7385 7406 9706 10465 13715 13754 14770 18515 19201 20930 24265 27430 33971 34385 37030 38402 44521 48139 48530 63089 67942 68770 89042 96005 96278 111619 126178 169855 192010 222605 223238 240695 311647 315445 339710 441623 445210 481390 558095 578773 623294 630890 781333 883246 1023983 1116190 1157546 1451047 1558235 1562666 2047966 2208115 2893865 2902094 3116470 3906665 4051411 4416230 5119915 5787730 7167881 7255235 7813330 8102822 10157329 10239830 13311779 14335762 14510470 20257055 20314658 23551609 26623558 35839405 40514110 47103218 50786645 66558895 71678810 93182453 101573290 117758045 133117790 164861263 186364906 235516090 306170917 329722526 465912265 612341834 824306315 931824530 1530854585 1648612630 2143196419 3061709170 4286392838 10715982095 21431964190
• Sum of all divisors σ(n): 49870495584
• Sum of proper divisors (its aliquot sum) s(n): 28438531394
• 21431964190 is an abundant number, because the sum of its proper divisors (28438531394) is greater than itself. Its abundance is 7006567204

Bases of 21431964190

• Binary: 10011111101011100011101001000011110₂
• Hexadecimal: 0x4FD71D21E
• Base-36: 9UG1DEM

Squares and roots of 21431964190

• 21431964190 squared (21431964190²) is 459329089041442356100
• 21431964190 cubed (21431964190³) is 9844324587761514001884428059000
• The square root of 21431964190 is 146396.5989700581
• The cube root of 21431964190 is 2777.7127033353

Scales and comparisons

• 21,431,964,190 seconds is equal to 681 years, 24 weeks, 3 days, 3 hours, 23 minutes, 10 seconds.
• To count from 1 to 21,431,964,190 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 21431964190 cubic inches would be around 231.5 feet tall.

Recreational maths with 21431964190

• 21431964190 backwards is 09146913412
• The number of decimal digits it has is: 11
• The sum of 21431964190's digits is 40
• More coming soon!