55639980
55,639,980 is an even composite number composed of seven prime numbers multiplied together.
55639980 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 55639980:
22 × 33 × 5 × 11 × 17 × 19 × 29
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 17 × 19 × 29)See below for interesting mathematical facts about the number 55639980 from the Numbermatics database.
Names of 55639980
- Cardinal: 55639980 can be written as Fifty-five million, six hundred thirty-nine thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 5.563998 × 107
Factors of 55639980
Divisors of 55639980
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 17 18 19 20 22 27 29 30 33 34 36 38 44 45 51 54 55 57 58 60 66 68 76 85 87 90 95 99 102 108 110 114 116 132 135 145 153 165 170 171 174 180 187 190 198 204 209 220 228 255 261 270 285 290 297 306 319 323 330 340 342 348 374 380 396 418 435 459 493 495 510 513 522 540 551 561 570 580 594 612 627 638 646 660 684 748 765 783 836 855 870 918 935 957 969 986 990 1020 1026 1044 1045 1102 1122 1140 1188 1254 1276 1292 1305 1479 1485 1530 1566 1595 1615 1653 1683 1710 1740 1836 1870 1881 1914 1938 1972 1980 2052 2090 2204 2244 2295 2465 2508 2565 2610 2755 2805 2871 2907 2958 2970 3060 3132 3135 3190 3230 3306 3366 3420 3553 3740 3762 3828 3876 3915 4180 4437 4590 4785 4845 4930 4959 5049 5130 5220 5423 5510 5610 5643 5742 5814 5916 5940 6061 6270 6380 6460 6612 6732 7106 7395 7524 7830 8265 8415 8613 8721 8874 9180 9367 9405 9570 9690 9860 9918 10098 10260 10659 10846 11020 11220 11286 11484 11628 12122 12540 13311 14212 14355 14535 14790 14877 15660 16269 16530 16830 17226 17442 17748 17765 18183 18734 18810 19140 19380 19836 20196 21318 21692 22185 22572 24244 24795 25245 26622 27115 28101 28215 28710 29070 29580 29754 30305 31977 32538 33060 33660 34452 34884 35530 36366 37468 37620 42636 43065 43605 44370 46835 48807 49590 50490 53244 53295 54230 54549 56202 56430 57420 58140 59508 60610 63954 65076 66555 71060 72732 74385 81345 84303 86130 87210 88740 90915 93670 95931 97614 99180 100980 103037 106590 108460 109098 112404 112860 121220 127908 133110 140505 146421 148770 159885 162690 163647 168606 172260 174420 181830 187340 191862 195228 206074 213180 218196 244035 252909 266220 272745 281010 292842 297540 309111 319770 325380 327294 337212 363660 383724 412148 421515 479655 488070 505818 515185 545490 562020 585684 618222 639540 654588 732105 818235 843030 927333 959310 976140 1011636 1030370 1090980 1236444 1264545 1464210 1545555 1636470 1686060 1854666 1918620 2060740 2529090 2781999 2928420 3091110 3272940 3709332 4636665 5058180 5563998 6182220 9273330 11127996 13909995 18546660 27819990 55639980
- Sum of all divisors σ(n): 217728000
- Sum of proper divisors (its aliquot sum) s(n): 162088020
- 55639980 is an abundant number, because the sum of its proper divisors (162088020) is greater than itself. Its abundance is 106448040
Bases of 55639980
- Binary: 110101000011111111101011002
- Hexadecimal: 0x350FFAC
- Base-36: X4K30
Squares and roots of 55639980
- 55639980 squared (556399802) is 3095807374400400
- 55639980 cubed (556399803) is 172250660395490767992000
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The
square root of 55639980 is 7459.2211389661 -
The
cube root of 55639980 is 381.7646000877
Scales and comparisons
How big is 55639980?- 55,639,980 seconds is equal to 1 year, 39 weeks, 6 days, 23 hours, 33 minutes.
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To count from 1 to 55,639,980 would take you about two 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 55639980 cubic inches would be around 31.8 feet tall.
Recreational maths with 55639980
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