1220459940

Names of 1220459940

• Cardinal: 1220459940 can be written as One billion, two hundred twenty million, four hundred fifty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.22045994 × 10⁹

Factors of 1220459940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 224

Divisors of 1220459940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 61 63 67 70 79 84 90 105 108 122 126 134 135 140 158 180 183 189 201 210 237 244 252 268 270 305 315 316 335 366 378 395 402 420 427 469 474 540 549 553 603 610 630 670 711 732 756 790 804 854 915 938 945 948 1005 1098 1106 1185 1206 1220 1260 1281 1340 1407 1422 1580 1647 1659 1708 1809 1830 1876 1890 2010 2133 2135 2196 2212 2345 2370 2412 2562 2745 2765 2814 2844 3015 3294 3318 3555 3618 3660 3780 3843 4020 4087 4221 4266 4270 4690 4740 4819 4977 5124 5293 5490 5530 5628 6030 6405 6588 6636 7035 7110 7236 7686 8174 8235 8295 8442 8532 8540 9045 9380 9638 9954 10586 10665 10980 11060 11529 12060 12261 12663 12810 14070 14220 14457 14931 15372 15879 16348 16470 16590 16884 18090 19215 19276 19908 20435 21105 21172 21330 23058 24095 24522 24885 25326 25620 26465 28140 28609 28914 29862 31758 32940 33180 33733 36180 36783 37051 38430 40870 42210 42660 43371 46116 47637 48190 49044 49770 50652 52930 57218 57645 57828 59724 61305 63315 63516 67466 72285 73566 74102 74655 76860 79395 81740 84420 85827 86742 95274 96380 99540 101199 105860 110349 111153 114436 115290 122610 126630 130113 134932 142911 143045 144570 147132 148204 149310 158790 168665 171654 173484 183915 185255 190548 202398 216855 220698 222306 230580 238185 245220 253260 257481 260226 285822 286090 289140 298620 303597 317580 322873 333459 337330 343308 367830 370510 404796 429135 433710 441396 444612 476370 505995 514962 520452 551745 555765 571644 572180 607194 645746 650565 666918 674660 714555 735660 741020 772443 858270 867420 910791 952740 968619 1000377 1011990 1029924 1103490 1111530 1214388 1287405 1291492 1301130 1333836 1429110 1517985 1544886 1614365 1667295 1716540 1821582 1937238 2000754 2023980 2206980 2223060 2260111 2574810 2602260 2858220 2905857 3035970 3089772 3228730 3334590 3643164 3862215 3874476 4001508 4520222 4553955 4843095 5001885 5149620 5811714 6071940 6457460 6669180 6780333 7724430 8717571 9040444 9107910 9686190 10003770 11300555 11623428 13560666 14529285 15448860 17435142 18215820 19372380 20007540 20340999 22601110 27121332 29058570 33901665 34870284 40681998 43587855 45202220 58117140 61022997 67803330 81363996 87175710 101704995 122045994 135606660 174351420 203409990 244091988 305114985 406819980 610229970 1220459940
• Sum of all divisors σ(n): 4533043200
• Sum of proper divisors (its aliquot sum) s(n): 3312583260
• 1220459940 is an abundant number, because the sum of its proper divisors (3312583260) is greater than itself. Its abundance is 2092123320

Bases of 1220459940

• Binary: 1001000101111101011110110100100₂
• Hexadecimal: 0x48BEBDA4
• Base-36: K6MOX0

Squares and roots of 1220459940

• 1220459940 squared (1220459940²) is 1489522465144803600
• 1220459940 cubed (1220459940³) is 1817902498439279092967784000
• The square root of 1220459940 is 34935.0817946659
• The cube root of 1220459940 is 1068.6639918475

Scales and comparisons

• 1,220,459,940 seconds is equal to 38 years, 41 weeks, 6 days, 16 hours, 39 minutes.
• To count from 1 to 1,220,459,940 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 1220459940 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220459940

• 1220459940 backwards is 0499540221
• 1220459940 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1220459940's digits is 36
• More coming soon!