120138129408

Names of 120138129408

• Cardinal: 120138129408 can be written as One hundred twenty billion, one hundred thirty-eight million, one hundred twenty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.20138129408 × 10¹¹

Factors of 120138129408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 444419

Divisors of 120138129408

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1024 1056 1408 1536 2048 2112 2816 3072 4096 4224 5632 6144 8192 8448 11264 12288 16896 22528 24576 33792 45056 67584 90112 135168 270336 444403 888806 1333209 1777612 2666418 3555224 4888433 5332836 7110448 9776866 10665672 14220896 14665299 19553732 21331344 28441792 29330598 39107464 42662688 56883584 58661196 78214928 85325376 113767168 117322392 156429856 170650752 227534336 234644784 312859712 341301504 455068672 469289568 625719424 682603008 910137344 938579136 1251438848 1365206016 1820274688 1877158272 2502877696 2730412032 3640549376 3754316544 5005755392 5460824064 7508633088 10011510784 10921648128 15017266176 20023021568 30034532352 40046043136 60069064704 120138129408
• Sum of all divisors σ(n): 349472195136
• Sum of proper divisors (its aliquot sum) s(n): 229334065728
• 120138129408 is an abundant number, because the sum of its proper divisors (229334065728) is greater than itself. Its abundance is 109195936320

Bases of 120138129408

• Binary: 1101111111000110010100110000000000000₂
• Hexadecimal: 0x1BF8CA6000
• Base-36: 1J6V51XC

Squares and roots of 120138129408

• 120138129408 squared (120138129408²) is 14433170137653354430464
• 120138129408 cubed (120138129408³) is 1733974061765079868012374169485312
• The square root of 120138129408 is 346609.4768006207
• The cube root of 120138129408 is 4934.3159586051

Scales and comparisons

• 120,138,129,408 seconds is equal to 3,820 years, 1 week, 14 hours, 36 minutes, 48 seconds.
• To count from 1 to 120,138,129,408 would take you about seven thousand, six hundred forty 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 120138129408 cubic inches would be around 411.2 feet tall.

Recreational maths with 120138129408

• 120138129408 backwards is 804921831021
• The number of decimal digits it has is: 12
• The sum of 120138129408's digits is 39
• More coming soon!