1220312808
1,220,312,808 is an even composite number composed of seven prime numbers multiplied together.
1220312808 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1220312808:
23 × 32 × 11 × 13 × 29 × 61 × 67
(2 × 2 × 2 × 3 × 3 × 11 × 13 × 29 × 61 × 67)See below for interesting mathematical facts about the number 1220312808 from the Numbermatics database.
Names of 1220312808
- Cardinal: 1220312808 can be written as One billion, two hundred twenty million, three hundred twelve thousand, eight hundred eight.
Scientific notation
- Scientific notation: 1.220312808 × 109
Factors of 1220312808
Divisors of 1220312808
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 18 22 24 26 29 33 36 39 44 52 58 61 66 67 72 78 87 88 99 104 116 117 122 132 134 143 156 174 183 198 201 232 234 244 261 264 268 286 312 319 348 366 377 396 402 429 468 488 522 536 549 572 603 638 671 696 732 737 754 792 793 804 858 871 936 957 1044 1098 1131 1144 1206 1276 1287 1342 1464 1474 1508 1586 1608 1716 1742 1769 1914 1943 2013 2088 2196 2211 2262 2379 2412 2552 2574 2613 2684 2871 2948 3016 3172 3393 3432 3484 3538 3828 3886 4026 4087 4147 4392 4422 4524 4758 4824 5148 5226 5307 5368 5742 5829 5896 6039 6344 6633 6786 6968 7076 7137 7656 7772 7839 8052 8174 8294 8723 8844 9048 9516 9581 10296 10452 10614 11484 11658 12078 12261 12441 13266 13572 14152 14274 15544 15678 15921 16104 16348 16588 17446 17487 17688 19032 19162 19459 20904 21228 21373 22968 22997 23316 24156 24522 24882 25259 26169 26532 27144 28548 28743 31356 31842 32696 33176 34892 34974 36783 37323 38324 38918 42456 42746 44957 45994 46632 48312 49044 49764 50518 52338 53064 53131 57096 57486 58377 62712 63684 64119 68991 69784 69948 73566 74646 75777 76648 77836 78507 85492 86229 89914 91988 98088 99528 101036 104676 106262 114972 116754 118523 127368 128238 134871 137982 139896 147132 149292 151554 155672 157014 159393 170984 172458 175131 179828 183976 192357 202072 206973 209352 212524 227331 229944 233508 237046 252967 256476 269742 275964 277849 294264 298584 303108 314028 318786 344916 350262 355569 359656 384714 404613 413946 425048 454662 467016 474092 478179 505934 512952 539484 551928 555698 584441 606216 628056 637572 689832 700524 711138 758901 769428 809226 827892 833547 909324 948184 956358 1011868 1066707 1078968 1111396 1168882 1275144 1303753 1401048 1422276 1517802 1538856 1540799 1618452 1655784 1667094 1753323 1818648 1912716 2023736 2133414 2222792 2276703 2337764 2500641 2607506 2844552 3035604 3081598 3236904 3334188 3506646 3825432 3911259 4266828 4553406 4622397 4675528 5001282 5215012 5259969 6071208 6163196 6668376 7013292 7822518 8533656 9106812 9244794 10002564 10430024 10519938 11733777 12326392 13867191 14026584 15645036 16948789 18213624 18489588 20005128 21039876 23467554 27734382 31290072 33897578 36979176 42079752 46935108 50846367 55468764 67795156 93870216 101692734 110937528 135590312 152539101 203385468 305078202 406770936 610156404 1220312808
- Sum of all divisors σ(n): 4143484800
- Sum of proper divisors (its aliquot sum) s(n): 2923171992
- 1220312808 is an abundant number, because the sum of its proper divisors (2923171992) is greater than itself. Its abundance is 1702859184
Bases of 1220312808
- Binary: 10010001011110001111110111010002
- Hexadecimal: 0x48BC7EE8
- Base-36: K6JJE0
Squares and roots of 1220312808
- 1220312808 squared (12203128082) is 1489163349368844864
- 1220312808 cubed (12203128083) is 1817245108438980103704218112
-
The
square root of 1220312808 is 34932.9759396477 -
The
cube root of 1220312808 is 1068.6210460191
Scales and comparisons
How big is 1220312808?- 1,220,312,808 seconds is equal to 38 years, 41 weeks, 4 days, 23 hours, 46 minutes, 48 seconds.
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To count from 1 to 1,220,312,808 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 1220312808 cubic inches would be around 89.1 feet tall.
Recreational maths with 1220312808
- 1220312808 backwards is 8082130221
- The number of decimal digits it has is: 10
- The sum of 1220312808's digits is 27
- More coming soon!
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