120999031978

Names of 120999031978

• Cardinal: 120999031978 can be written as One hundred twenty billion, nine hundred ninety-nine million, thirty-one thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.20999031978 × 10¹¹

Factors of 120999031978

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4543

Divisors of 120999031978

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 22 71 73 142 146 257 514 781 803 1562 1606 2827 4129 5183 5654 8258 10366 18247 18761 36494 37522 45419 57013 90838 114026 200717 206371 293159 301417 401434 412742 586318 602834 1061153 1332031 2122306 2664062 3224749 3315587 6449498 6631174 11672683 14652341 21400607 23345366 29304682 42801214 75341863 77464169 150683726 154928338 235406677 470813354 828760493 852105859 1657520986 1704211718 5499955999 10999911998 60499515989 120999031978
• Sum of all divisors σ(n): 204379096320
• Sum of proper divisors (its aliquot sum) s(n): 83380064342
• 120999031978 is a deficient number, because the sum of its proper divisors (83380064342) is less than itself. Its deficiency is 37618967636

Bases of 120999031978

• Binary: 1110000101100000110101011010010101010₂
• Hexadecimal: 0x1C2C1AB4AA
• Base-36: 1JL3P6LM

Squares and roots of 120999031978

• 120999031978 squared (120999031978²) is 14640765739613066592484
• 120999031978 cubed (120999031978³) is 1771518481909848265970615010453352
• The square root of 120999031978 is 347849.1511819457
• The cube root of 120999031978 is 4946.0742533473

Scales and comparisons

• 120,999,031,978 seconds is equal to 3,847 years, 20 weeks, 3 days, 18 hours, 12 minutes, 58 seconds.
• To count from 1 to 120,999,031,978 would take you about seven thousand, six hundred ninety-four 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 120999031978 cubic inches would be around 412.2 feet tall.

Recreational maths with 120999031978

• 120999031978 backwards is 879130999021
• The number of decimal digits it has is: 12
• The sum of 120999031978's digits is 58
• More coming soon!