15728948872

Names of 15728948872

• Cardinal: 15728948872 can be written as Fifteen billion, seven hundred twenty-eight million, nine hundred forty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.5728948872 × 10¹⁰

Factors of 15728948872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1412

Divisors of 15728948872

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 52 56 91 104 131 182 262 364 524 728 917 1048 1259 1703 1834 2518 3406 3668 5036 6812 7336 8813 10072 11921 13624 16367 17161 17626 23842 32734 34322 35252 47684 65468 68644 70504 95368 114569 120127 130936 137288 164929 223093 229138 240254 329858 446186 458276 480508 659716 892372 916552 961016 1154503 1319432 1561651 1784744 2144077 2309006 3123302 4288154 4618012 6246604 8576308 9236024 12493208 15008539 17152616 21605699 30017078 43211398 60034156 86422796 120068312 151239893 172845592 280874087 302479786 561748174 604959572 1123496348 1209919144 1966118609 2246992696 3932237218 7864474436 15728948872
• Sum of all divisors σ(n): 36605822400
• Sum of proper divisors (its aliquot sum) s(n): 20876873528
• 15728948872 is an abundant number, because the sum of its proper divisors (20876873528) is greater than itself. Its abundance is 5147924656

Bases of 15728948872

• Binary: 1110101001100001001011011010001000₂
• Hexadecimal: 0x3A984B688
• Base-36: 784LYMG

Squares and roots of 15728948872

• 15728948872 squared (15728948872²) is 247399832617990072384
• 15728948872 cubed (15728948872³) is 3891339318189723755931515150848
• The square root of 15728948872 is 125415.1062352539
• The cube root of 15728948872 is 2505.5316909705

Scales and comparisons

• 15,728,948,872 seconds is equal to 500 years, 6 weeks, 6 days, 27 minutes, 52 seconds.
• To count from 1 to 15,728,948,872 would take you about one thousand 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 15728948872 cubic inches would be around 208.8 feet tall.

Recreational maths with 15728948872

• 15728948872 backwards is 27884982751
• The number of decimal digits it has is: 11
• The sum of 15728948872's digits is 61
• More coming soon!