21170717442

Names of 21170717442

• Cardinal: 21170717442 can be written as Twenty-one billion, one hundred seventy million, seven hundred seventeen thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.1170717442 × 10¹⁰

Factors of 21170717442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 21736

Divisors of 21170717442

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 41 42 49 54 63 81 82 98 123 126 147 162 189 243 246 287 294 369 378 441 486 567 574 738 861 882 1107 1134 1323 1701 1722 2009 2214 2583 2646 3321 3402 3969 4018 5166 6027 6642 7749 7938 9963 11907 12054 15498 18081 19926 21683 23247 23814 36162 43366 46494 54243 65049 69741 108486 130098 139482 151781 162729 195147 303562 325458 390294 455343 488187 585441 889003 910686 976374 1062467 1170882 1366029 1756323 1778006 2124934 2667009 2732058 3187401 3512646 4098087 5268969 5334018 6223021 6374802 8001027 8196174 9562203 10537938 12294261 12446042 16002054 18669063 19124406 24003081 24588522 28686609 36882783 37338126 43561147 48006162 56007189 57373218 72009243 73765566 86059827 87122294 112014378 130683441 144018486 168021567 172119654 216027729 258179481 261366882 336043134 392050323 432055458 504064701 516358962 784100646 1008129402 1176150969 1512194103 2352301938 3024388206 3528452907 7056905814 10585358721 21170717442
• Sum of all divisors σ(n): 56687353632
• Sum of proper divisors (its aliquot sum) s(n): 35516636190
• 21170717442 is an abundant number, because the sum of its proper divisors (35516636190) is greater than itself. Its abundance is 14345918748

Bases of 21170717442

• Binary: 10011101101110111111000001100000010₂
• Hexadecimal: 0x4EDDF8302
• Base-36: 9Q4HY4I

Squares and roots of 21170717442

• 21170717442 squared (21170717442²) is 448199277009003023364
• 21170717442 cubed (21170717442³) is 9488700251266289897762968314888
• The square root of 21170717442 is 145501.6063210301
• The cube root of 21170717442 is 2766.3801431219

Scales and comparisons

• 21,170,717,442 seconds is equal to 673 years, 8 weeks, 3 days, 10 hours, 50 minutes, 42 seconds.
• To count from 1 to 21,170,717,442 would take you about one thousand, three hundred forty-six 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 21170717442 cubic inches would be around 230.5 feet tall.

Recreational maths with 21170717442

• 21170717442 backwards is 24471707112
• The number of decimal digits it has is: 11
• The sum of 21170717442's digits is 36
• More coming soon!