1221443874

Names of 1221443874

• Cardinal: 1221443874 can be written as One billion, two hundred twenty-one million, four hundred forty-three thousand, eight hundred seventy-four.

Scientific notation

• Scientific notation: 1.221443874 × 10⁹

Factors of 1221443874

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 192

Divisors of 1221443874

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 41 42 49 54 63 81 82 98 123 126 139 147 162 189 243 246 278 287 294 369 378 417 441 486 567 574 729 738 834 861 882 973 1107 1134 1251 1323 1458 1701 1722 1946 2009 2187 2214 2502 2583 2646 2919 3321 3402 3753 3969 4018 4374 5103 5166 5699 5838 6027 6642 6811 7506 7749 7938 8757 9963 10206 11259 11398 11907 12054 13622 15309 15498 17097 17514 18081 19926 20433 22518 23247 23814 26271 29889 30618 33777 34194 35721 36162 39893 40866 46494 51291 52542 54243 59778 61299 67554 69741 71442 78813 79786 89667 101331 102582 107163 108486 119679 122598 139482 153873 157626 162729 179334 183897 202662 209223 214326 236439 239358 279251 303993 307746 325458 359037 367794 418446 461619 472878 488187 551691 558502 607986 627669 709317 718074 837753 923238 976374 1077111 1103382 1255338 1384857 1418634 1464561 1655073 1675506 2127951 2154222 2513259 2769714 2929122 3231333 3310146 4154571 4255902 4393683 4965219 5026518 6462666 7539777 8309142 8787366 9693999 9930438 12463713 14895657 15079554 19387998 22619331 24927426 29081997 29791314 45238662 58163994 67857993 87245991 135715986 174491982 203573979 407147958 610721937 1221443874
• Sum of all divisors σ(n): 3297974400
• Sum of proper divisors (its aliquot sum) s(n): 2076530526
• 1221443874 is an abundant number, because the sum of its proper divisors (2076530526) is greater than itself. Its abundance is 855086652

Bases of 1221443874

• Binary: 1001000110011011100000100100010₂
• Hexadecimal: 0x48CDC122
• Base-36: K77S4I

Squares and roots of 1221443874

• 1221443874 squared (1221443874²) is 1491925137332127876
• 1221443874 cubed (1221443874³) is 1822302819460936297524831624
• The square root of 1221443874 is 34949.1612774899
• The cube root of 1221443874 is 1068.9511001079

Scales and comparisons

• 1,221,443,874 seconds is equal to 38 years, 43 weeks, 4 days, 1 hour, 57 minutes, 54 seconds.
• To count from 1 to 1,221,443,874 would take you about seventy-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 1221443874 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221443874

• 1221443874 backwards is 4783441221
• The number of decimal digits it has is: 10
• The sum of 1221443874's digits is 36
• More coming soon!