12380947280

Names of 12380947280

• Cardinal: 12380947280 can be written as Twelve billion, three hundred eighty million, nine hundred forty-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.238094728 × 10¹⁰

Factors of 12380947280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7338

Divisors of 12380947280

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 2441 4877 4882 9754 9764 12205 19508 19528 24385 24410 31733 39016 39056 48770 48820 63401 63466 78032 97540 97640 126802 126932 158665 195080 195280 253604 253864 317005 317330 390160 507208 507728 634010 634660 1014416 1268020 1269320 2536040 2538640 5072080 11904757 23809514 47619028 59523785 95238056 119047570 154761841 190476112 238095140 309523682 476190280 619047364 773809205 952380560 1238094728 1547618410 2476189456 3095236820 6190473640 12380947280
• Sum of all divisors σ(n): 31019045904
• Sum of proper divisors (its aliquot sum) s(n): 18638098624
• 12380947280 is an abundant number, because the sum of its proper divisors (18638098624) is greater than itself. Its abundance is 6257151344

Bases of 12380947280

• Binary: 1011100001111101100100001101010000₂
• Hexadecimal: 0x2E1F64350
• Base-36: 5ORAO28

Squares and roots of 12380947280

• 12380947280 squared (12380947280²) is 153287855550139398400
• 12380947280 cubed (12380947280³) is 1897848858230531288241316352000
• The square root of 12380947280 is 111269.7051312711
• The cube root of 12380947280 is 2313.4029840215

Scales and comparisons

• 12,380,947,280 seconds is equal to 393 years, 35 weeks, 1 day, 1 minute, 20 seconds.
• To count from 1 to 12,380,947,280 would take you about seven hundred eighty-seven 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 12380947280 cubic inches would be around 192.8 feet tall.

Recreational maths with 12380947280

• 12380947280 backwards is 08274908321
• The number of decimal digits it has is: 11
• The sum of 12380947280's digits is 44
• More coming soon!