100908990
100,908,990 is an even composite number composed of six prime numbers multiplied together.
100908990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 100908990:
2 × 34 × 5 × 7 × 13 × 372
(2 × 3 × 3 × 3 × 3 × 5 × 7 × 13 × 37 × 37)See below for interesting mathematical facts about the number 100908990 from the Numbermatics database.
Names of 100908990
- Cardinal: 100908990 can be written as One hundred million, nine hundred eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.0090899 × 108
Factors of 100908990
Divisors of 100908990
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 37 39 42 45 54 63 65 70 74 78 81 90 91 105 111 117 126 130 135 162 182 185 189 195 210 222 234 259 270 273 315 333 351 370 378 390 405 455 481 518 546 555 567 585 630 666 702 777 810 819 910 945 962 999 1053 1110 1134 1170 1295 1365 1369 1443 1554 1638 1665 1755 1890 1998 2106 2331 2405 2457 2590 2730 2738 2835 2886 2997 3330 3367 3510 3885 4095 4107 4329 4662 4810 4914 4995 5265 5670 5994 6734 6845 6993 7215 7371 7770 8190 8214 8658 9583 9990 10101 10530 11655 12285 12321 12987 13690 13986 14430 14742 14985 16835 17797 19166 20202 20535 20979 21645 23310 24570 24642 25974 28749 29970 30303 33670 34965 35594 36855 36963 38961 41070 41958 43290 47915 50505 53391 57498 60606 61605 64935 69930 73710 73926 77922 86247 88985 90909 95830 101010 104895 106782 110889 123210 124579 129870 143745 151515 160173 172494 177970 181818 184815 194805 209790 221778 249158 258741 266955 272727 287490 303030 320346 369630 373737 389610 431235 454545 480519 517482 533910 545454 554445 622895 747474 776223 800865 862470 909090 961038 1108890 1121211 1245790 1293705 1363635 1441557 1552446 1601730 1868685 2242422 2402595 2587410 2727270 2883114 3363633 3737370 3881115 4805190 5606055 6727266 7207785 7762230 10090899 11212110 14415570 16818165 20181798 33636330 50454495 100908990
- Sum of all divisors σ(n): 343217952
- Sum of proper divisors (its aliquot sum) s(n): 242308962
- 100908990 is an abundant number, because the sum of its proper divisors (242308962) is greater than itself. Its abundance is 141399972
Bases of 100908990
- Binary: 1100000001110111111101111102
- Hexadecimal: 0x603BFBE
- Base-36: 1O2TVI
Squares and roots of 100908990
- 100908990 squared (1009089902) is 10182624262820100
- 100908990 cubed (1009089903) is 1027518329910670842699000
-
The
square root of 100908990 is 10045.3466839129 -
The
cube root of 100908990 is 465.5610293931
Scales and comparisons
How big is 100908990?- 100,908,990 seconds is equal to 3 years, 10 weeks, 5 days, 22 hours, 16 minutes, 30 seconds.
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To count from 1 to 100,908,990 would take you about four 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 100908990 cubic inches would be around 38.8 feet tall.
Recreational maths with 100908990
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