21429705141

Names of 21429705141

• Cardinal: 21429705141 can be written as Twenty-one billion, four hundred twenty-nine million, seven hundred five thousand, one hundred forty-one.

Scientific notation

• Scientific notation: 2.1429705141 × 10¹⁰

Factors of 21429705141

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 228

Divisors of 21429705141

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 9 13 27 31 39 81 93 117 169 181 243 279 351 403 507 543 729 837 961 1053 1209 1521 1629 2353 2511 2883 3159 3627 4563 4887 5239 5611 7059 7533 8649 9477 10881 12493 13689 14661 15717 16833 21177 22599 25947 30589 32643 37479 41067 43983 47151 50499 63531 72943 77841 91767 97929 112437 123201 131949 141453 151497 162409 173941 190593 218829 233523 275301 293787 337311 424359 454491 487227 521823 571779 656487 700569 825903 948259 1011933 1273077 1363473 1461681 1565469 1715337 1969461 2261233 2477709 2844777 3035799 3819231 4090419 4385043 4696407 5908383 6783699 7433127 8534331 9107397 13155129 14089221 17725149 20351097 22299381 25602993 29396029 39465387 42267663 53175447 61053291 76808979 88188087 118396161 126802989 183159873 230426937 264564261 549479619 691280811 793692783 1648438857 2381078349 7143235047 21429705141
• Sum of all divisors σ(n): 36148633794
• Sum of proper divisors (its aliquot sum) s(n): 14718928653
• 21429705141 is a deficient number, because the sum of its proper divisors (14718928653) is less than itself. Its deficiency is 6710776488

Bases of 21429705141

• Binary: 10011111101010011110101100110110101₂
• Hexadecimal: 0x4FD4F59B5
• Base-36: 9UEOYB9

Squares and roots of 21429705141

• 21429705141 squared (21429705141²) is 459232262430201829881
• 21429705141 cubed (21429705141³) is 9841211975113557307468473118221
• The square root of 21429705141 is 146388.8832562091
• The cube root of 21429705141 is 2777.6151044167

Scales and comparisons

• 21,429,705,141 seconds is equal to 681 years, 20 weeks, 4 days, 23 hours, 52 minutes, 21 seconds.
• To count from 1 to 21,429,705,141 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 21429705141 cubic inches would be around 231.5 feet tall.

Recreational maths with 21429705141

• 21429705141 backwards is 14150792412
• The number of decimal digits it has is: 11
• The sum of 21429705141's digits is 36
• More coming soon!