21309772341

Names of 21309772341

• Cardinal: 21309772341 can be written as Twenty-one billion, three hundred nine million, seven hundred seventy-two thousand, three hundred forty-one.

Scientific notation

• Scientific notation: 2.1309772341 × 10¹⁰

Factors of 21309772341

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 222

Divisors of 21309772341

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 11 13 31 33 37 39 93 111 121 127 143 341 363 381 403 407 429 481 961 1023 1147 1209 1221 1397 1443 1573 1651 2883 3441 3751 3937 4191 4433 4477 4699 4719 4953 5291 10571 11253 11811 12493 12617 13299 13431 14097 14911 15367 15873 18161 31713 35557 37479 37851 43307 44733 46101 48763 51181 51689 54483 58201 61087 106671 116281 122047 129921 137423 138787 145669 146289 153543 155067 164021 174603 183261 199771 348843 366141 391127 412269 416361 437007 462241 476377 492063 562991 568579 599313 671957 1173381 1342517 1386723 1429131 1511653 1586611 1602359 1688973 1705737 1804231 1893697 2015871 4027551 4302397 4515739 4534959 4759833 4807077 5084651 5412693 5681091 6192901 7391527 12907191 13547217 14767687 15253953 17452721 17625949 18578703 20830667 22174581 44303061 49673129 52358163 52877847 55931161 58704607 62492001 149019387 167793483 176113821 191979931 229137337 546404419 575939793 645750677 687412011 1639213257 1937252031 7103257447 21309772341
• Sum of all divisors σ(n): 35973482496
• Sum of proper divisors (its aliquot sum) s(n): 14663710155
• 21309772341 is a deficient number, because the sum of its proper divisors (14663710155) is less than itself. Its deficiency is 6646062186

Bases of 21309772341

• Binary: 10011110110001010010101001000110101₂
• Hexadecimal: 0x4F6295235
• Base-36: 9SFADKL

Squares and roots of 21309772341

• 21309772341 squared (21309772341²) is 454106397225248620281
• 21309772341 cubed (21309772341³) is 9676903943461762195312465447821
• The square root of 21309772341 is 145978.6708426953
• The cube root of 21309772341 is 2772.4237038145

Scales and comparisons

• 21,309,772,341 seconds is equal to 677 years, 30 weeks, 2 days, 21 hours, 12 minutes, 21 seconds.
• To count from 1 to 21,309,772,341 would take you about one thousand, three hundred fifty-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 21309772341 cubic inches would be around 231 feet tall.

Recreational maths with 21309772341

• 21309772341 backwards is 14327790312
• 21309772341 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21309772341's digits is 39
• More coming soon!