121900497472

Names of 121900497472

• Cardinal: 121900497472 can be written as One hundred twenty-one billion, nine hundred million, four hundred ninety-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.21900497472 × 10¹¹

Factors of 121900497472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 152507

Divisors of 121900497472

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 62 64 104 124 208 248 403 416 496 806 832 961 992 1612 1922 1984 3224 3844 6448 7688 12493 12896 15376 24986 25792 30752 49972 61504 99944 152461 199888 304922 399776 609844 799552 1219688 1981993 2439376 3963986 4726291 4878752 7927972 9452582 9757504 15855944 18905164 31711888 37810328 61441783 63423776 75620656 122883566 126847552 146515021 151241312 245767132 293030042 302482624 491534264 586060084 983068528 1172120168 1904695273 1966137056 2344240336 3809390546 3932274112 4688480672 7618781092 9376961344 15237562184 30475124368 60950248736 121900497472
• Sum of all divisors σ(n): 269179893948
• Sum of proper divisors (its aliquot sum) s(n): 147279396476
• 121900497472 is an abundant number, because the sum of its proper divisors (147279396476) is greater than itself. Its abundance is 25378899004

Bases of 121900497472

• Binary: 1110001100001110101011111101001000000₂
• Hexadecimal: 0x1C61D5FA40
• Base-36: 1K00EPTS

Squares and roots of 121900497472

• 121900497472 squared (121900497472²) is 14859731283921078390784
• 121900497472 cubed (121900497472³) is 1811408635810220730623278820098048
• The square root of 121900497472 is 349142.5174223271
• The cube root of 121900497472 is 4958.3269357199

Scales and comparisons

• 121,900,497,472 seconds is equal to 3,876 years, 3 weeks, 9 hours, 17 minutes, 52 seconds.
• To count from 1 to 121,900,497,472 would take you about seven thousand, seven hundred fifty-two 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 121900497472 cubic inches would be around 413.2 feet tall.

Recreational maths with 121900497472

• 121900497472 backwards is 274794009121
• The number of decimal digits it has is: 12
• The sum of 121900497472's digits is 46
• More coming soon!