21478061009349

Names of 21478061009349

• Cardinal: 21478061009349 can be written as Twenty-one trillion, four hundred seventy-eight billion, sixty-one million, nine thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 2.1478061009349 × 10¹³

Factors of 21478061009349

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 954

Divisors of 21478061009349

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 27 49 61 63 81 147 183 189 243 427 441 549 567 729 883 1281 1323 1647 1701 2187 2649 2989 3721 3843 3969 4941 5103 6181 7947 8967 11163 11529 11907 14823 15309 18543 23841 26047 26901 33489 34587 35721 43267 44469 53863 55629 71523 78141 80703 100467 103761 107163 129801 133407 161589 166887 182329 214569 226981 234423 242109 301401 311283 377041 389403 484767 500661 546987 643707 680943 703269 726327 904203 933849 1131123 1168209 1454301 1501983 1588867 1640961 1931121 2042829 2109807 2178981 2639287 2712609 3285643 3393369 3504627 4362903 4505949 4766601 4922883 6128487 6329421 6536943 7917861 8137827 9856929 10180107 10513881 11122069 13088709 13517847 14299803 14768649 18385461 18988263 22999501 23753583 29570787 30540321 31541643 33366207 39266127 42899409 44305947 55156383 56964789 68998503 71260749 88712361 91620963 94624929 100098621 117798381 128698227 132917841 160996507 165469149 200424223 206995509 213782247 266137083 274862889 300295863 386094681 398753523 482989521 496407447 601272669 620986527 641346741 798411249 824588667 900887589 1158284043 1402969561 1448968563 1803818007 1862959581 1924040223 2395233747 2702662767 3474852129 4208908683 4346905689 5411454021 5588878743 5772120669 7185701241 8107988301 9820786927 12626726049 13040717067 16234362063 16766636229 24323964903 29462360781 37880178147 39122151201 48703086189 50299908687 88387082343 113640534441 117366453603 146109258567 265161247029 340921603323 352099360809 438327775701 795483741087 1022764809969 2386451223261 3068294429907 7159353669783 21478061009349
• Sum of all divisors σ(n): 38138975496960
• Sum of proper divisors (its aliquot sum) s(n): 16660914487611
• 21478061009349 is a deficient number, because the sum of its proper divisors (16660914487611) is less than itself. Its deficiency is 4817146521738

Bases of 21478061009349

• Binary: 100111000100011000000001100100110100111000101₂
• Hexadecimal: 0x1388C03269C5
• Base-36: 7M2VUZ7B9

Squares and roots of 21478061009349

• 21478061009349 squared (21478061009349²) is 461307104721317784665403801
• 21478061009349 cubed (21478061009349³) is 9907982139250611501468007396346721135549
• The square root of 21478061009349 is 4634442.9017249743
• The cube root of 21478061009349 is 27797.0275315671

Scales and comparisons

• 21,478,061,009,349 seconds is equal to 682,935 years, 47 weeks, 2 hours, 9 minutes, 9 seconds.
• To count from 1 to 21,478,061,009,349 would take you about one million, seven hundred seven thousand, three hundred thirty-nine 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 21478061009349 cubic inches would be around 2316.4 feet tall.

Recreational maths with 21478061009349

• 21478061009349 backwards is 94390016087412
• The number of decimal digits it has is: 14
• The sum of 21478061009349's digits is 54
• More coming soon!