15396972420

Names of 15396972420

• Cardinal: 15396972420 can be written as Fifteen billion, three hundred ninety-six million, nine hundred seventy-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.539697242 × 10¹⁰

Factors of 15396972420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 110347

Divisors of 15396972420

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 137 170 204 255 274 340 411 510 548 685 822 1020 1370 1644 2055 2329 2740 4110 4658 6987 8220 9316 11645 13974 23290 27948 34935 46580 69870 110183 139740 220366 330549 440732 550915 661098 1101830 1322196 1652745 1873111 2203660 3305490 3746222 5619333 6610980 7492444 9365555 11238666 15095071 18731110 22477332 28096665 30190142 37462220 45285213 56193330 60380284 75475355 90570426 112386660 150950710 181140852 226426065 256616207 301901420 452852130 513232414 769848621 905704260 1026464828 1283081035 1539697242 2566162070 3079394484 3849243105 5132324140 7698486210 15396972420
• Sum of all divisors σ(n): 45981105408
• Sum of proper divisors (its aliquot sum) s(n): 30584132988
• 15396972420 is an abundant number, because the sum of its proper divisors (30584132988) is greater than itself. Its abundance is 15187160568

Bases of 15396972420

• Binary: 1110010101101110110010011110000100₂
• Hexadecimal: 0x395BB2784
• Base-36: 72MYJYC

Squares and roots of 15396972420

• 15396972420 squared (15396972420²) is 237066759702240656400
• 15396972420 cubed (15396972420³) is 3650110360834166798793496488000
• The square root of 15396972420 is 124084.5373928597
• The cube root of 15396972420 is 2487.7788841465

Scales and comparisons

• 15,396,972,420 seconds is equal to 489 years, 29 weeks, 6 days, 16 hours, 47 minutes.
• To count from 1 to 15,396,972,420 would take you about nine hundred seventy-nine 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 15396972420 cubic inches would be around 207.3 feet tall.

Recreational maths with 15396972420

• 15396972420 backwards is 02427969351
• The number of decimal digits it has is: 11
• The sum of 15396972420's digits is 48
• More coming soon!