129138623229792

Names of 129138623229792

• Cardinal: 129138623229792 can be written as One hundred twenty-nine trillion, one hundred thirty-eight billion, six hundred twenty-three million, two hundred twenty-nine thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.29138623229792 × 10¹⁴

Factors of 129138623229792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 122290362923

Divisors of 129138623229792

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 122290362907 244580725814 366871088721 489161451628 733742177442 978322903256 1345193991977 1467484354884 1956645806512 2690387983954 2934968709768 3913291613024 4035581975931 5380775967908 5869937419536 8071163951862 10761551935816 11739874839072 16142327903724 21523103871632 32284655807448 43046207743264 64569311614896 129138623229792
• Sum of all divisors σ(n): 369806057433792
• Sum of proper divisors (its aliquot sum) s(n): 240667434204000
• 129138623229792 is an abundant number, because the sum of its proper divisors (240667434204000) is greater than itself. Its abundance is 111528810974208

Bases of 129138623229792

• Binary: 11101010111001101101101110000111010111101100000₂
• Hexadecimal: 0x75736DC3AF60
• Base-36: 19RXGQ0DPC

Squares and roots of 129138623229792

• 129138623229792 squared (129138623229792²) is 16676784009686173965636363264
• 129138623229792 cubed (129138623229792³) is 2153616926911482719214534558552256659161088
• The square root of 129138623229792 is 11363917.6004488875
• The cube root of 129138623229792 is 50545.8360083827

Scales and comparisons

• 129,138,623,229,792 seconds is equal to 4,106,208 years, 39 weeks, 6 days, 2 hours, 3 minutes, 12 seconds.
• To count from 1 to 129,138,623,229,792 would take you about ten million, two hundred sixty-five thousand, five hundred twenty-one 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 129138623229792 cubic inches would be around 4212.2 feet tall.

Recreational maths with 129138623229792

• 129138623229792 backwards is 297922326831921
• 129138623229792 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129138623229792's digits is 66
• More coming soon!