30387512925

Names of 30387512925

• Cardinal: 30387512925 can be written as Thirty billion, three hundred eighty-seven million, five hundred twelve thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 3.0387512925 × 10¹⁰

Factors of 30387512925

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1114

Divisors of 30387512925

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 33 35 45 49 55 63 75 77 99 105 147 165 175 225 231 245 275 315 331 385 441 495 525 539 693 735 757 825 993 1155 1225 1575 1617 1655 1925 2205 2271 2317 2475 2695 2979 3465 3641 3675 3785 4851 4965 5299 5775 6813 6951 8085 8275 8327 10923 11025 11355 11585 13475 14895 15897 16219 17325 18205 18925 20853 24255 24825 24981 25487 26495 32769 34065 34755 37093 40425 41635 47691 48657 54615 56775 57925 58289 74475 74943 76461 79485 81095 91025 104265 111279 121275 124905 127435 132475 145971 163845 170325 173775 174867 178409 185465 208175 229383 238455 243285 250567 273075 291445 333837 374715 382305 397425 405475 408023 521325 524601 535227 556395 624525 637175 729855 751701 819225 874335 892045 927325 1146915 1192275 1216425 1224069 1252835 1457225 1605681 1669185 1753969 1873575 1911525 2040115 2255103 2623005 2676135 2756237 2781975 3649275 3672207 3758505 4371675 4460225 5261907 5734575 6120345 6264175 8028405 8268711 8345925 8769845 10200575 11275515 12277783 13115025 13380675 13781185 15785721 18361035 18792525 19293659 24806133 26309535 30601725 36833349 40142025 41343555 43849225 56377575 57880977 61388915 68905925 78928605 91805175 96468295 110500047 124030665 131547675 135055613 173642931 184166745 206717775 289404885 306944575 394643025 405166839 482341475 552500235 620153325 675278065 868214655 920833725 1215500517 1447024425 2025834195 2762501175 3376390325 4341073275 6077502585 10129170975 30387512925
• Sum of all divisors σ(n): 69369479712
• Sum of proper divisors (its aliquot sum) s(n): 38981966787
• 30387512925 is an abundant number, because the sum of its proper divisors (38981966787) is greater than itself. Its abundance is 8594453862

Bases of 30387512925

• Binary: 11100010011001111001010011001011101₂
• Hexadecimal: 0x7133CA65D
• Base-36: DYJXV19

Squares and roots of 30387512925

• 30387512925 squared (30387512925²) is 923400941767042055625
• 30387512925 cubed (30387512925³) is 28059858052903162804323256453125
• The square root of 30387512925 is 174320.1449202013
• The cube root of 30387512925 is 3120.5541190985

Scales and comparisons

• 30,387,512,925 seconds is equal to 966 years, 11 weeks, 6 days, 7 hours, 48 minutes, 45 seconds.
• To count from 1 to 30,387,512,925 would take you about one thousand, nine hundred thirty-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 30387512925 cubic inches would be around 260 feet tall.

Recreational maths with 30387512925

• 30387512925 backwards is 52921578303
• 30387512925 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30387512925's digits is 45
• More coming soon!