12355179920

Names of 12355179920

• Cardinal: 12355179920 can be written as Twelve billion, three hundred fifty-five million, one hundred seventy-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.235517992 × 10¹⁰

Factors of 12355179920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 477

Divisors of 12355179920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 73 80 146 292 365 397 584 730 794 1168 1460 1588 1985 2920 3176 3970 5329 5840 6352 7940 10658 15880 21316 26645 28981 31760 42632 53290 57962 85264 106580 115924 144905 213160 231848 289810 389017 426320 463696 579620 778034 1159240 1556068 1945085 2115613 2318480 3112136 3890170 4231226 6224272 7780340 8462452 10578065 15560680 16924904 21156130 31121360 33849808 42312260 84624520 154439749 169249040 308879498 617758996 772198745 1235517992 1544397490 2471035984 3088794980 6177589960 12355179920
• Sum of all divisors σ(n): 29198123760
• Sum of proper divisors (its aliquot sum) s(n): 16842943840
• 12355179920 is an abundant number, because the sum of its proper divisors (16842943840) is greater than itself. Its abundance is 4487763920

Bases of 12355179920

• Binary: 1011100000011011010001010110010000₂
• Hexadecimal: 0x2E06D1590
• Base-36: 5OBYDU8

Squares and roots of 12355179920

• 12355179920 squared (12355179920²) is 152650470855571206400
• 12355179920 cubed (12355179920³) is 1886024032293298589443455488000
• The square root of 12355179920 is 111153.8569731163
• The cube root of 12355179920 is 2311.7969763415

Scales and comparisons

• 12,355,179,920 seconds is equal to 392 years, 44 weeks, 3 days, 18 hours, 25 minutes, 20 seconds.
• To count from 1 to 12,355,179,920 would take you about seven hundred eighty-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 12355179920 cubic inches would be around 192.6 feet tall.

Recreational maths with 12355179920

• 12355179920 backwards is 02997155321
• The number of decimal digits it has is: 11
• The sum of 12355179920's digits is 44
• More coming soon!