1221222132

Names of 1221222132

• Cardinal: 1221222132 can be written as One billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 1.221222132 × 10⁹

Factors of 1221222132

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 210

Divisors of 1221222132

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 29 34 36 39 51 52 58 67 68 78 79 87 102 116 117 134 153 156 158 174 201 204 221 234 237 261 268 306 316 348 377 402 442 468 474 493 522 603 612 663 711 754 804 871 884 948 986 1027 1044 1131 1139 1206 1326 1343 1422 1479 1508 1742 1943 1972 1989 2054 2262 2278 2291 2412 2613 2652 2686 2844 2958 3081 3393 3417 3484 3886 3978 4029 4108 4437 4524 4556 4582 5226 5293 5372 5829 5916 6162 6409 6786 6834 6873 7772 7839 7956 8058 8874 9164 9243 10251 10452 10586 11658 12087 12324 12818 13572 13668 13746 14807 15678 15879 16116 17459 17487 17748 18486 19227 20502 20619 21172 23316 24174 25259 25636 27492 29614 29783 31356 31758 33031 34918 34974 36972 38454 38947 41004 41238 44421 47637 48348 50518 52377 57681 59228 59566 63516 66062 68809 69836 69948 75777 76908 77894 82476 88842 89349 89981 95274 99093 101036 104754 115362 116841 119132 132124 133263 137618 151554 153497 155788 157131 177684 178698 179962 190548 198186 206427 209508 227331 230724 233682 266526 268047 269943 275236 297279 303108 306994 314262 350523 357396 359924 396372 412854 429403 454662 460491 467364 506311 533052 536094 539886 594558 613988 619281 628524 701046 809829 825708 858806 909324 920982 1012622 1072188 1079772 1169753 1189116 1238562 1288209 1381473 1402092 1518933 1619658 1717612 1841964 1995461 2025244 2339506 2477124 2576418 2609449 2762946 3037866 3239316 3509259 3864627 3990922 4556799 4679012 5152836 5218898 5525892 5986383 6075732 7018518 7729254 7828347 7981844 9113598 10437796 10527777 11972766 14037036 15458508 15656694 17959149 18227196 21055554 23485041 23945532 31313388 33922837 35918298 42111108 46970082 67845674 71836596 93940164 101768511 135691348 203537022 305305533 407074044 610611066 1221222132
• Sum of all divisors σ(n): 3742502400
• Sum of proper divisors (its aliquot sum) s(n): 2521280268
• 1221222132 is an abundant number, because the sum of its proper divisors (2521280268) is greater than itself. Its abundance is 1300058136

Bases of 1221222132

• Binary: 1001000110010100101111011110100₂
• Hexadecimal: 0x48CA5EF4
• Base-36: K73110

Squares and roots of 1221222132

• 1221222132 squared (1221222132²) is 1491383495686625424
• 1221222132 cubed (1221222132³) is 1821310532232033504182683968
• The square root of 1221222132 is 34945.9887826915
• The cube root of 1221222132 is 1068.8864100841

Scales and comparisons

• 1,221,222,132 seconds is equal to 38 years, 43 weeks, 1 day, 12 hours, 22 minutes, 12 seconds.
• To count from 1 to 1,221,222,132 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 1221222132 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221222132

• 1221222132 backwards is 2312221221
• 1221222132 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1221222132's digits is 18
• More coming soon!