21007198773

Names of 21007198773

• Cardinal: 21007198773 can be written as Twenty-one billion, seven million, one hundred ninety-eight thousand, seven hundred seventy-three.

Scientific notation

• Scientific notation: 2.1007198773 × 10¹⁰

Factors of 21007198773

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1197

Divisors of 21007198773

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 11 27 33 37 53 81 99 111 121 159 297 333 363 407 477 583 891 999 1089 1093 1221 1431 1749 1961 2997 3267 3279 3663 4293 4477 5247 5883 6413 9801 9837 10989 12023 13431 15741 17649 19239 21571 29511 32967 36069 40293 40441 47223 52947 57717 57929 64713 88533 108207 120879 121323 132253 158841 173151 173787 194139 237281 324621 362637 363969 396759 444851 519453 521361 582417 637219 711843 973863 1091907 1190277 1334553 1564083 1747251 1911657 2135529 2143373 3275721 3570831 4003659 4692249 4893361 5734971 6406587 6430119 7009409 10712493 12010977 14680083 17204913 19219761 19290357 21028227 23577103 36032931 44040249 51614739 57871071 63084681 70731309 132120747 173613213 189254043 212193927 259348133 396362241 567762129 636581781 778044399 1909745343 2334133197 7002399591 21007198773
• Sum of all divisors σ(n): 36126982584
• Sum of proper divisors (its aliquot sum) s(n): 15119783811
• 21007198773 is a deficient number, because the sum of its proper divisors (15119783811) is less than itself. Its deficiency is 5887414962

Bases of 21007198773

• Binary: 10011100100001000000110101000110101₂
• Hexadecimal: 0x4E4206A35
• Base-36: 9NF56B9

Squares and roots of 21007198773

• 21007198773 squared (21007198773²) is 441302400288332705529
• 21007198773 cubed (21007198773³) is 9270527241859017657804579115917
• The square root of 21007198773 is 144938.6034602239
• The cube root of 21007198773 is 2759.2393922521

Scales and comparisons

• 21,007,198,773 seconds is equal to 667 years, 50 weeks, 20 hours, 59 minutes, 33 seconds.
• To count from 1 to 21,007,198,773 would take you about one thousand, three hundred thirty-five 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 21007198773 cubic inches would be around 229.9 feet tall.

Recreational maths with 21007198773

• 21007198773 backwards is 37789170012
• The number of decimal digits it has is: 11
• The sum of 21007198773's digits is 45
• More coming soon!