21370519989

Names of 21370519989

• Cardinal: 21370519989 can be written as Twenty-one billion, three hundred seventy million, five hundred nineteen thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1370519989 × 10¹⁰

Factors of 21370519989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 183

Divisors of 21370519989

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 13 21 23 39 49 63 69 91 117 137 147 161 169 207 273 299 343 411 441 483 507 637 819 897 959 1029 1127 1183 1233 1449 1521 1781 1911 2093 2197 2691 2877 3087 3151 3381 3549 3887 4459 5343 5733 6279 6591 6713 7889 8281 8631 9453 10143 10647 11661 12467 13377 14651 15379 16029 18837 19773 20139 22057 23153 23667 24843 27209 28359 34983 37401 40131 40963 43953 46137 46991 50531 57967 60417 66171 69459 71001 74529 81627 87269 102557 107653 112203 122889 131859 138411 140973 151593 154399 162071 173901 190463 198513 208377 244881 261807 286741 300989 307671 322959 353717 368667 422919 454779 463197 486213 521703 532519 571389 610883 753571 785421 860223 902967 923013 968877 1061151 1080793 1134497 1333241 1389591 1458639 1597557 1714167 1832649 2007187 2106923 2260713 2476019 2580669 2708901 3183453 3242379 3403491 3727633 3999723 4792671 5497947 6021561 6320769 6782139 6922747 7428057 7941479 9727137 10210473 11182899 11999169 14050309 14748461 17332133 18064683 18962307 20768241 22284171 23824437 26093431 33548697 42150927 44245383 48459229 51996399 62304723 71473311 78280293 103239227 126452781 132736149 145377687 155989197 182654017 234840879 309717681 339214603 436133061 547962051 929153043 1017643809 1643886153 2374502221 3052931427 7123506663 21370519989
• Sum of all divisors σ(n): 40989312000
• Sum of proper divisors (its aliquot sum) s(n): 19618792011
• 21370519989 is a deficient number, because the sum of its proper divisors (19618792011) is less than itself. Its deficiency is 1751727978

Bases of 21370519989

• Binary: 10011111001110010000100000110110101₂
• Hexadecimal: 0x4F9C841B5
• Base-36: 9TFGER9

Squares and roots of 21370519989

• 21370519989 squared (21370519989²) is 456699124600248560121
• 21370519989 cubed (21370519989³) is 9759897771228413488434298758669
• The square root of 21370519989 is 146186.5930549035
• The cube root of 21370519989 is 2775.0556486527

Scales and comparisons

• 21,370,519,989 seconds is equal to 679 years, 26 weeks, 5 days, 23 hours, 33 minutes, 9 seconds.
• To count from 1 to 21,370,519,989 would take you about one thousand, three hundred fifty-nine 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 21370519989 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370519989

• 21370519989 backwards is 98991507312
• The number of decimal digits it has is: 11
• The sum of 21370519989's digits is 54
• More coming soon!