129372143616

Names of 129372143616

• Cardinal: 129372143616 can be written as One hundred twenty-nine billion, three hundred seventy-two million, one hundred forty-three thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.29372143616 × 10¹¹

Factors of 129372143616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 877366

Divisors of 129372143616

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4096 4608 6144 8192 9216 12288 16384 18432 24576 36864 49152 73728 147456 877361 1754722 2632083 3509444 5264166 7018888 7896249 10528332 14037776 15792498 21056664 28075552 31584996 42113328 56151104 63169992 84226656 112302208 126339984 168453312 224604416 252679968 336906624 449208832 505359936 673813248 898417664 1010719872 1347626496 1796835328 2021439744 2695252992 3593670656 4042879488 5390505984 7187341312 8085758976 10781011968 14374682624 16171517952 21562023936 32343035904 43124047872 64686071808 129372143616
• Sum of all divisors σ(n): 373730768502
• Sum of proper divisors (its aliquot sum) s(n): 244358624886
• 129372143616 is an abundant number, because the sum of its proper divisors (244358624886) is greater than itself. Its abundance is 114986481270

Bases of 129372143616

• Binary: 1111000011111001011100100000000000000₂
• Hexadecimal: 0x1E1F2E4000
• Base-36: 1NFKU0W0

Squares and roots of 129372143616

• 129372143616 squared (129372143616²) is 16737151543798929555456
• 129372143616 cubed (129372143616³) is 2165321173247111228675520668368896
• The square root of 129372143616 is 359683.3935782969
• The cube root of 129372143616 is 5057.6284878685

Scales and comparisons

• 129,372,143,616 seconds is equal to 4,113 years, 32 weeks, 6 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 129,372,143,616 would take you about eight thousand, two hundred twenty-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 129372143616 cubic inches would be around 421.5 feet tall.

Recreational maths with 129372143616

• 129372143616 backwards is 616341273921
• The number of decimal digits it has is: 12
• The sum of 129372143616's digits is 45
• More coming soon!