21429476211

Names of 21429476211

• Cardinal: 21429476211 can be written as Twenty-one billion, four hundred twenty-nine million, four hundred seventy-six thousand, two hundred eleven.

Scientific notation

• Scientific notation: 2.1429476211 × 10¹⁰

Factors of 21429476211

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 977

Divisors of 21429476211

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 11 13 19 23 33 39 57 69 143 151 209 247 253 299 429 437 453 627 741 757 759 897 1311 1661 1963 2271 2717 2869 3289 3473 4807 4983 5681 5889 8151 8327 8607 9841 9867 10419 14383 14421 17043 17411 21593 24981 29523 31559 37297 38203 43149 45149 52233 62491 64779 65987 94677 108251 111891 114307 114609 135447 158213 186979 187473 191521 197961 226343 324753 330809 342921 410267 474639 496639 560937 574563 679029 725857 857831 992427 1230801 1257377 1485991 1489917 2056769 2171833 2177571 2489773 2573493 2629061 3638899 3772131 4300517 4457973 6170307 6515499 7469319 7887183 9436141 10916697 12901551 16345901 23890163 28233829 28308423 28919671 34177793 47305687 49037703 49952159 71670489 84701487 86759013 102533379 141917061 149856477 310572119 375955723 549473749 649378067 931716357 1127867169 1648421247 1948134201 7143158737 21429476211
• Sum of all divisors σ(n): 37164072960
• Sum of proper divisors (its aliquot sum) s(n): 15734596749
• 21429476211 is a deficient number, because the sum of its proper divisors (15734596749) is less than itself. Its deficiency is 5694879462

Bases of 21429476211

• Binary: 10011111101010010111101101101110011₂
• Hexadecimal: 0x4FD4BDB73
• Base-36: 9UEK1O3

Squares and roots of 21429476211

• 21429476211 squared (21429476211²) is 459222450677814916521
• 21429476211 cubed (21429476211³) is 9840896582357355579047720381931
• The square root of 21429476211 is 146388.1013299921
• The cube root of 21429476211 is 2777.6052134471

Scales and comparisons

• 21,429,476,211 seconds is equal to 681 years, 20 weeks, 2 days, 8 hours, 16 minutes, 51 seconds.
• To count from 1 to 21,429,476,211 would take you about one thousand, three hundred sixty-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 21429476211 cubic inches would be around 231.5 feet tall.

Recreational maths with 21429476211

• 21429476211 backwards is 11267492412
• 21429476211 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21429476211's digits is 39
• More coming soon!