100709721021

Names of 100709721021

• Cardinal: 100709721021 can be written as One hundred billion, seven hundred nine million, seven hundred twenty-one thousand and twenty-one.

Scientific notation

• Scientific notation: 1.00709721021 × 10¹¹

Factors of 100709721021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 784

Divisors of 100709721021

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 13 21 39 49 91 147 169 273 343 507 637 761 1029 1183 1911 2283 3549 4459 5327 8281 9893 13377 15981 24843 29679 37289 57967 69251 111867 128609 173901 207753 261023 385827 484757 579121 783069 900263 1454271 1737363 2700789 3393299 4053847 6301841 7528573 10179897 12161541 18905523 22585719 28376929 44112887 52700011 85130787 97871449 132338661 158100033 198638503 293614347 368900077 595915509 685100143 1106700231 2055300429 2582300539 4795701001 7746901617 14387103003 33569907007 100709721021
• Sum of all divisors σ(n): 169789742400
• Sum of proper divisors (its aliquot sum) s(n): 69080021379
• 100709721021 is a deficient number, because the sum of its proper divisors (69080021379) is less than itself. Its deficiency is 31629699642

Bases of 100709721021

• Binary: 1011101110010110001000110001110111101₂
• Hexadecimal: 0x1772C463BD
• Base-36: 1A9JYU2L

Squares and roots of 100709721021

• 100709721021 squared (100709721021²) is 10142447908127649282441
• 100709721021 cubed (100709721021³) is 1021443099297560597691163943892261
• The square root of 100709721021 is 317347.9494513871
• The cube root of 100709721021 is 4652.5437351499

Scales and comparisons

• 100,709,721,021 seconds is equal to 3,202 years, 13 weeks, 2 days, 18 hours, 30 minutes, 21 seconds.
• To count from 1 to 100,709,721,021 would take you about six thousand, four hundred 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 100709721021 cubic inches would be around 387.7 feet tall.

Recreational maths with 100709721021

• 100709721021 backwards is 120127907001
• The number of decimal digits it has is: 12
• The sum of 100709721021's digits is 30
• More coming soon!