1220985220
1,220,985,220 is an even composite number composed of eight prime numbers multiplied together.
1220985220 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1220985220:
22 × 5 × 7 × 13 × 17 × 19 × 31 × 67
(2 × 2 × 5 × 7 × 13 × 17 × 19 × 31 × 67)See below for interesting mathematical facts about the number 1220985220 from the Numbermatics database.
Names of 1220985220
- Cardinal: 1220985220 can be written as One billion, two hundred twenty million, nine hundred eighty-five thousand, two hundred twenty.
Scientific notation
- Scientific notation: 1.22098522 × 109
Factors of 1220985220
Divisors of 1220985220
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 10 13 14 17 19 20 26 28 31 34 35 38 52 62 65 67 68 70 76 85 91 95 119 124 130 133 134 140 155 170 182 190 217 221 238 247 260 266 268 310 323 335 340 364 380 403 434 442 455 469 476 494 527 532 589 595 620 646 665 670 806 868 871 884 910 938 988 1054 1085 1105 1139 1178 1190 1235 1273 1292 1330 1340 1547 1612 1615 1729 1742 1820 1876 2015 2077 2108 2170 2210 2261 2278 2345 2356 2380 2470 2546 2635 2660 2821 2945 3094 3230 3458 3484 3689 4030 4123 4154 4199 4340 4355 4420 4522 4556 4690 4940 5092 5270 5642 5695 5890 6097 6188 6365 6460 6851 6916 7378 7657 7735 7973 8060 8246 8308 8398 8645 8710 8911 9044 9380 10013 10385 10540 11284 11305 11390 11780 12194 12730 13702 14105 14539 14756 14807 15314 15470 15946 16492 16549 16796 17290 17420 17822 18445 20026 20615 20770 20995 21641 22610 22780 24388 25460 27001 27404 28210 29078 29393 29614 30485 30628 30940 31892 33098 34255 34580 35309 35644 36890 38285 39463 39865 40052 41230 41540 41990 43282 44555 45220 47957 50065 53599 54002 56420 58156 58786 59228 60970 66196 68510 70091 70618 72695 73780 74035 76570 78926 79730 82460 82745 83980 86564 89110 95914 100130 103649 107198 108004 108205 115843 117572 121940 130169 135005 137020 140182 141236 145390 146965 148070 151487 153140 157852 159460 165490 176545 178220 189007 191828 197315 200260 207298 214396 216410 231686 239785 247163 260338 267995 270010 276241 280364 281333 290780 293930 296140 302974 330980 350455 353090 378014 394630 414596 432820 459017 463372 479570 494326 513019 518245 520676 535990 540020 552482 562666 579215 587860 605948 650845 670871 700910 706180 756028 757435 789260 911183 918034 945035 959140 988652 1026038 1036490 1071980 1104964 1125332 1158430 1235815 1301690 1341742 1381205 1401820 1406665 1514870 1822366 1836068 1890070 1969331 2052076 2072980 2295085 2316860 2471630 2565095 2603380 2683484 2762410 2813330 3029740 3213119 3354355 3591133 3644732 3780140 3938662 4555915 4590170 4696097 4943260 5130190 5524820 5626660 6426238 6708710 7182266 7877324 8721323 9111830 9180340 9392194 9846655 10260380 12852476 13417420 14364532 16065595 17442646 17955665 18223660 18784388 19693310 23480485 32131190 34885292 35911330 39386620 43606615 46960970 61049261 64262380 71822660 87213230 93921940 122098522 174426460 244197044 305246305 610492610 1220985220
- Sum of all divisors σ(n): 3684925440
- Sum of proper divisors (its aliquot sum) s(n): 2463940220
- 1220985220 is an abundant number, because the sum of its proper divisors (2463940220) is greater than itself. Its abundance is 1242955000
Bases of 1220985220
- Binary: 10010001100011011000001100001002
- Hexadecimal: 0x48C6C184
- Base-36: K6XY84
Squares and roots of 1220985220
- 1220985220 squared (12209852202) is 1490804907458448400
- 1220985220 cubed (12209852203) is 1820250757910233260532648000
-
The
square root of 1220985220 is 34942.5989302455 -
The
cube root of 1220985220 is 1068.8172857789
Scales and comparisons
How big is 1220985220?- 1,220,985,220 seconds is equal to 38 years, 42 weeks, 5 days, 18 hours, 33 minutes, 40 seconds.
-
To count from 1 to 1,220,985,220 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 1220985220 cubic inches would be around 89.1 feet tall.
Recreational maths with 1220985220
- 1220985220 backwards is 0225890221
- 1220985220 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1220985220's digits is 31
- More coming soon!
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