15396220420

Names of 15396220420

• Cardinal: 15396220420 can be written as Fifteen billion, three hundred ninety-six million, two hundred twenty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.539622042 × 10¹⁰

Factors of 15396220420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 458

Divisors of 15396220420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 98 140 163 196 245 281 326 343 490 562 652 686 815 980 1124 1141 1372 1405 1630 1715 1967 2282 2401 2810 3260 3430 3934 4564 4802 5620 5705 6860 7868 7987 9604 9835 11410 12005 13769 15974 16807 19670 22820 24010 27538 31948 33614 39340 39935 45803 48020 55076 55909 67228 68845 79870 84035 91606 96383 111818 137690 159740 168070 183212 192766 223636 229015 275380 279545 320621 336140 385532 391363 458030 481915 559090 641242 674681 782726 916060 963830 1118180 1282484 1349362 1565452 1603105 1927660 1956815 2244347 2698724 2739541 3206210 3373405 3913630 4488694 4722767 5479082 6412420 6746810 7827260 8977388 9445534 10958164 11221735 13493620 13697705 15710429 18891068 22443470 23613835 27395410 31420858 44886940 47227670 54790820 62841716 78552145 94455340 109973003 157104290 219946006 314208580 439892012 549865015 769811021 1099730030 1539622042 2199460060 3079244084 3849055105 7698110210 15396220420
• Sum of all divisors σ(n): 38086892928
• Sum of proper divisors (its aliquot sum) s(n): 22690672508
• 15396220420 is an abundant number, because the sum of its proper divisors (22690672508) is greater than itself. Its abundance is 7294452088

Bases of 15396220420

• Binary: 1110010101101011111010111000000100₂
• Hexadecimal: 0x395AFAE04
• Base-36: 72MIFPG

Squares and roots of 15396220420

• 15396220420 squared (15396220420²) is 237043603221224976400
• 15396220420 cubed (15396220420³) is 3649575564345001759063698088000
• The square root of 15396220420 is 124081.5071636383
• The cube root of 15396220420 is 2487.7383818077

Scales and comparisons

• 15,396,220,420 seconds is equal to 489 years, 28 weeks, 4 days, 23 hours, 53 minutes, 40 seconds.
• To count from 1 to 15,396,220,420 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 15396220420 cubic inches would be around 207.3 feet tall.

Recreational maths with 15396220420

• 15396220420 backwards is 02402269351
• The number of decimal digits it has is: 11
• The sum of 15396220420's digits is 34
• More coming soon!