15438045645471025

Names of 15438045645471025

• Cardinal: 15438045645471025 can be written as Fifteen quadrillion, four hundred thirty-eight trillion, forty-five billion, six hundred forty-five million, four hundred seventy-one thousand and twenty-five.

Scientific notation

• Scientific notation: 1.5438045645471025 × 10¹⁶

Factors of 15438045645471025

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7649

Divisors of 15438045645471025

• Number of divisors d(n): 108
• Complete list of divisors:
  1 5 25 41 61 109 205 305 545 1025 1525 1681 2501 2725 4469 6649 7433 8405 12505 22345 33245 37165 42025 62525 102541 111725 166225 183229 185825 272609 304753 453413 512705 810197 916145 1363045 1523765 2267065 2563525 4050985 4580725 6815225 7618825 11176969 11335325 12494873 18589933 20254925 33218077 49422017 55249489 55884845 62474365 92949665 166090385 247110085 276247445 279424225 312371825 464748325 762187253 830451925 1235550425 1361941157 1381237225 2026302697 2265229049 3370218829 3810936265 6022194301 6809705785 10131513485 11326145245 16851094145 19054681325 30110971505 34048528925 50657567425 56630726225 83078410577 84255470725 92874391009 138178971989 150554857525 246909966341 367353852361 415392052885 464371955045 690894859945 1234549831705 1836769261805 2076960264425 2321859775225 3454474299725 5665337851549 6172749158525 9183846309025 10123308619981 15061507946801 28326689257745 50616543099905 75307539734005 141633446288725 253082715499525 376537698670025 617521825818841 3087609129094205 15438045645471025
• Sum of all divisors σ(n): 20128807352317180
• Sum of proper divisors (its aliquot sum) s(n): 4690761706846155
• 15438045645471025 is a deficient number, because the sum of its proper divisors (4690761706846155) is less than itself. Its deficiency is 10747283938624870

Bases of 15438045645471025

• Binary: 110110110110001101001000011010101110010111110100110001₂
• Hexadecimal: 0x36D8D21AB97D31
• Base-36: 480BW9ESBW1

Squares and roots of 15438045645471025

• 15438045645471025 squared (15438045645471025²) is 238333253351646876925094114550625
• 15438045645471025 cubed (15438045645471025³) is 3679399644076334642551259656557049868584333140625
• The square root of 15438045645471025 is 124249932.1749151901
• The cube root of 15438045645471025 is 248998.9067089141

Scales and comparisons

• 15,438,045,645,471,025 seconds is equal to 490,882,098 years, 26 weeks, 5 days, 14 hours, 50 minutes, 25 seconds.
• To count from 1 to 15,438,045,645,471,025 would take you about one billion, four hundred seventy-two million, six hundred forty-six thousand, two hundred ninety-five 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 15438045645471025 cubic inches would be around 20749.9 feet tall.

Recreational maths with 15438045645471025

• 15438045645471025 backwards is 52017454654083451
• The number of decimal digits it has is: 17
• The sum of 15438045645471025's digits is 64
• More coming soon!