389223090945

Names of 389223090945

• Cardinal: 389223090945 can be written as Three hundred eighty-nine billion, two hundred twenty-three million, ninety thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 3.89223090945 × 10¹¹

Factors of 389223090945

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 118

Divisors of 389223090945

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 27 39 45 65 81 97 117 135 195 243 291 351 405 485 585 729 873 1053 1215 1261 1455 1755 2187 2619 3159 3645 3783 4365 5265 6305 6561 7857 9409 9477 10935 11349 13095 15795 18915 23571 28227 28431 32805 34047 39285 47045 47385 56745 70713 84681 85293 102141 117855 122317 141135 142155 170235 212139 254043 306423 353565 366951 423405 426465 510705 611585 636417 762129 912673 919269 1060695 1100853 1270215 1532115 1834755 2286387 2738019 2757807 3182085 3302559 3810645 4563365 4596345 5504265 6859161 8214057 8273421 9907677 11431935 11864749 13690095 13789035 16512795 20577483 24642171 29723031 34295805 35594247 41070285 41367105 49538385 59323745 61732449 73926513 89169093 102887415 106782741 123210855 148615155 177971235 221779539 267507279 308662245 320348223 369632565 445845465 533913705 665338617 802521837 961044669 1108897695 1337536395 1601741115 1996015851 2883134007 3326693085 4012609185 4805223345 5988047553 8649402021 9980079255 14415670035 25948206063 29940237765 43247010105 77844618189 129741030315 389223090945
• Sum of all divisors σ(n): 762314563920
• Sum of proper divisors (its aliquot sum) s(n): 373091472975
• 389223090945 is a deficient number, because the sum of its proper divisors (373091472975) is less than itself. Its deficiency is 16131617970

Bases of 389223090945

• Binary: 101101010011111100000010000101100000001₂
• Hexadecimal: 0x5A9F810B01
• Base-36: 4YT1DN29

Squares and roots of 389223090945

• 389223090945 squared (389223090945²) is 151494614524779740993025
• 389223090945 cubed (389223090945³) is 58965202126856063084621714185658625
• The square root of 389223090945 is 623877.4646875779
• The cube root of 389223090945 is 7301.2888882333

Scales and comparisons

• 389,223,090,945 seconds is equal to 12,376 years, 4 weeks, 4 days, 21 hours, 15 minutes, 45 seconds.
• To count from 1 to 389,223,090,945 would take you about twenty-four thousand, seven hundred fifty-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 389223090945 cubic inches would be around 608.4 feet tall.

Recreational maths with 389223090945

• 389223090945 backwards is 549090322983
• The number of decimal digits it has is: 12
• The sum of 389223090945's digits is 54
• More coming soon!