21347342289

Names of 21347342289

• Cardinal: 21347342289 can be written as Twenty-one billion, three hundred forty-seven million, three hundred forty-two thousand, two hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1347342289 × 10¹⁰

Factors of 21347342289

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 823

Divisors of 21347342289

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 13 17 19 21 27 37 39 51 57 63 91 111 117 119 133 153 171 189 221 247 259 273 323 333 351 357 399 459 481 513 629 663 703 727 741 777 819 969 999 1071 1197 1443 1547 1729 1887 1989 2109 2181 2223 2261 2331 2457 2907 3213 3367 3591 4199 4329 4403 4641 4921 5089 5187 5661 5967 6327 6543 6669 6783 6993 8177 8721 9139 9451 10101 11951 12359 12597 12987 13209 13813 13923 14763 15267 15561 16983 18981 19629 20349 24531 26899 27417 28353 29393 30303 35853 37077 37791 39627 41439 41769 44289 45801 46683 57239 61047 63973 66157 73593 80697 82251 83657 85059 86513 88179 90909 96691 107559 111231 113373 118881 124317 132867 137403 155363 160667 171717 179569 188293 191919 198471 220779 234821 242091 246753 250971 255177 259539 264537 290073 322677 333693 349687 372951 457283 466089 482001 511081 515151 538707 564879 575757 595413 704463 726273 752913 778617 793611 870219 1049061 1087541 1124669 1256983 1371849 1398267 1446003 1533243 1545453 1616121 1643747 1694637 1727271 1786239 2113389 2258739 2335851 2447809 2610657 3052673 3147183 3200981 3262623 3374007 3577567 3770949 4115547 4194801 4338009 4599729 4848363 4931241 5083911 5944679 6340167 6644053 7343427 8688377 9158019 9441549 9602943 9787869 10122021 10732701 11312847 12346641 13799187 14793723 17834037 19932159 21368711 22030281 26065131 27474057 28808829 29363607 30366063 32198103 33938541 41612753 44381169 46508371 53502111 59796477 60818639 64106133 66090843 78195393 82422171 86426487 96594309 112948901 124838259 139525113 160506333 179389431 182455917 192318399 234586179 338846703 374514777 418575339 547367751 576955197 790642307 1016540109 1123544331 1255726017 1642103253 2371926921 3049620327 7115780763 21347342289
• Sum of all divisors σ(n): 44616499200
• Sum of proper divisors (its aliquot sum) s(n): 23269156911
• 21347342289 is an abundant number, because the sum of its proper divisors (23269156911) is greater than itself. Its abundance is 1921814622

Bases of 21347342289

• Binary: 10011111000011001101001011111010001₂
• Hexadecimal: 0x4F86697D1
• Base-36: 9T1NMQ9

Squares and roots of 21347342289

• 21347342289 squared (21347342289²) is 455709022803727759521
• 21347342289 cubed (21347342289³) is 9728176493976882947665865683569
• The square root of 21347342289 is 146107.2971791619
• The cube root of 21347342289 is 2774.0520437771

Scales and comparisons

• 21,347,342,289 seconds is equal to 678 years, 40 weeks, 3 days, 17 hours, 18 minutes, 9 seconds.
• To count from 1 to 21,347,342,289 would take you about one thousand, three hundred fifty-seven 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 21347342289 cubic inches would be around 231.2 feet tall.

Recreational maths with 21347342289

• 21347342289 backwards is 98224374312
• The number of decimal digits it has is: 11
• The sum of 21347342289's digits is 45
• More coming soon!