1390090065

Names of 1390090065

• Cardinal: 1390090065 can be written as One billion, three hundred ninety million, ninety thousand and sixty-five.

Scientific notation

• Scientific notation: 1.390090065 × 10⁹

Factors of 1390090065

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 78

Divisors of 1390090065

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 13 15 19 21 31 35 39 49 57 65 91 93 95 105 133 147 155 169 195 217 245 247 273 285 361 399 403 455 465 507 589 637 651 665 735 741 845 931 1083 1085 1183 1209 1235 1365 1519 1729 1767 1805 1911 1995 2015 2527 2535 2793 2821 2945 3185 3211 3255 3549 3705 4123 4557 4655 4693 5187 5239 5415 5915 6045 7581 7595 7657 8281 8463 8645 8835 9555 9633 11191 12103 12369 12635 13965 14079 14105 15717 16055 17689 17745 19747 20615 22477 22785 22971 23465 24843 25935 26195 28861 32851 33573 36309 36673 37905 38285 41405 42315 48165 53067 53599 55955 59241 60515 61009 61845 67431 70395 78337 78585 86583 88445 98553 98735 99541 110019 112385 114855 124215 144305 145483 157339 160797 164255 167865 181545 183027 183365 229957 235011 256711 265335 267995 296205 298623 305045 337155 375193 391685 427063 432915 436449 472017 492765 497705 548359 550095 689871 696787 727415 770133 786695 803985 915135 1018381 1125579 1149785 1175055 1281189 1283555 1493115 1645077 1875965 1891279 2090361 2135315 2182245 2360085 2741795 2989441 3055143 3449355 3483935 3850665 4877509 5091905 5627895 5673837 6405945 7128667 8225385 8968323 9456395 10451805 13238953 14632527 14947205 15275715 21386001 24387545 28369185 35643335 39716859 44841615 66194765 73162635 92672671 106930005 198584295 278018013 463363355 1390090065
• Sum of all divisors σ(n): 3052194048
• Sum of proper divisors (its aliquot sum) s(n): 1662103983
• 1390090065 is an abundant number, because the sum of its proper divisors (1662103983) is greater than itself. Its abundance is 272013918

Bases of 1390090065

• Binary: 1010010110110110001011101010001₂
• Hexadecimal: 0x52DB1751
• Base-36: MZMGCX

Squares and roots of 1390090065

• 1390090065 squared (1390090065²) is 1932350388811704225
• 1390090065 cubed (1390090065³) is 2686141077586037198891024625
• The square root of 1390090065 is 37283.9116107739
• The cube root of 1390090065 is 1116.0431335379

Scales and comparisons

• 1,390,090,065 seconds is equal to 44 years, 10 weeks, 3 days, 7 minutes, 45 seconds.
• To count from 1 to 1,390,090,065 would take you about eighty-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 1390090065 cubic inches would be around 93 feet tall.

Recreational maths with 1390090065

• 1390090065 backwards is 5600900931
• The number of decimal digits it has is: 10
• The sum of 1390090065's digits is 33
• More coming soon!