30948991515

Names of 30948991515

• Cardinal: 30948991515 can be written as Thirty billion, nine hundred forty-eight million, nine hundred ninety-one thousand, five hundred fifteen.

Scientific notation

• Scientific notation: 3.0948991515 × 10¹⁰

Factors of 30948991515

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2393

Divisors of 30948991515

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 27 31 39 45 65 81 93 117 135 155 195 243 279 351 403 405 465 585 729 837 1053 1209 1215 1395 1755 2015 2187 2341 2511 3159 3627 3645 4185 5265 6045 6561 7023 7533 9477 10881 10935 11705 12555 15795 18135 21069 22599 28431 30433 32643 32805 35115 37665 47385 54405 63207 67797 72571 85293 91299 97929 105345 112995 142155 152165 163215 189621 203391 217713 273897 293787 316035 338985 362855 426465 456495 489645 568863 653139 821691 881361 943423 948105 1016955 1088565 1369485 1468935 1706589 1959417 2465073 2644083 2830269 2844315 3265695 4108455 4406805 4717115 5119767 5878251 7395219 8490807 8532945 9797085 12325365 13220415 14151345 15359301 17634753 22185657 25472421 25598835 29391255 36976095 42454035 52904259 66556971 76417263 76796505 88173765 110928285 127362105 158712777 199670913 229251789 264521295 332784855 382086315 476138331 687755367 793563885 998354565 1146258945 2063266101 2380691655 3438776835 6189798303 10316330505 30948991515
• Sum of all divisors σ(n): 61952007936
• Sum of proper divisors (its aliquot sum) s(n): 31003016421
• 30948991515 is an abundant number, because the sum of its proper divisors (31003016421) is greater than itself. Its abundance is 54024906

Bases of 30948991515

• Binary: 11100110100101101000010001000011011₂
• Hexadecimal: 0x734B4221B
• Base-36: E7U8AOR

Squares and roots of 30948991515

• 30948991515 squared (30948991515²) is 957840075795541995225
• 30948991515 cubed (30948991515³) is 29644184378523186085044695515875
• The square root of 30948991515 is 175923.2546168925
• The cube root of 30948991515 is 3139.6567272853

Scales and comparisons

• 30,948,991,515 seconds is equal to 984 years, 4 weeks, 1 day, 22 hours, 5 minutes, 15 seconds.
• To count from 1 to 30,948,991,515 would take you about one thousand, nine hundred sixty-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 30948991515 cubic inches would be around 261.6 feet tall.

Recreational maths with 30948991515

• 30948991515 backwards is 51519984903
• The number of decimal digits it has is: 11
• The sum of 30948991515's digits is 54
• More coming soon!