669042990
669,042,990 is an even composite number composed of seven prime numbers multiplied together.
669042990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 669042990:
2 × 34 × 5 × 7 × 11 × 17 × 631
(2 × 3 × 3 × 3 × 3 × 5 × 7 × 11 × 17 × 631)See below for interesting mathematical facts about the number 669042990 from the Numbermatics database.
Names of 669042990
- Cardinal: 669042990 can be written as Six hundred sixty-nine million, forty-two thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 6.6904299 × 108
Factors of 669042990
Divisors of 669042990
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 27 30 33 34 35 42 45 51 54 55 63 66 70 77 81 85 90 99 102 105 110 119 126 135 153 154 162 165 170 187 189 198 210 231 238 255 270 297 306 315 330 357 374 378 385 405 459 462 495 510 561 567 594 595 630 631 693 714 765 770 810 891 918 935 945 990 1071 1122 1134 1155 1190 1262 1309 1377 1386 1485 1530 1683 1782 1785 1870 1890 1893 2079 2142 2295 2310 2618 2754 2805 2835 2970 3155 3213 3366 3465 3570 3786 3927 4158 4417 4455 4590 5049 5355 5610 5670 5679 6237 6310 6426 6545 6885 6930 6941 7854 8415 8834 8910 9465 9639 10098 10395 10710 10727 11358 11781 12474 13090 13251 13770 13882 15147 16065 16830 17037 18930 19278 19635 20790 20823 21454 22085 23562 25245 26502 28395 30294 31185 32130 32181 34074 34705 35343 39270 39753 41646 44170 48195 48587 50490 51111 53635 56790 58905 62370 62469 64362 66255 69410 70686 75089 75735 79506 85185 96390 96543 97174 102222 104115 106029 107270 117810 117997 119259 124938 132510 145761 150178 151470 160905 170370 176715 187407 193086 198765 208230 212058 225267 235994 238518 242935 255555 289629 291522 312345 321810 353430 353991 357777 374814 375445 397530 437283 450534 482715 485870 511110 530145 562221 579258 589985 596295 624690 675801 707982 715554 728805 750890 825979 868887 874566 937035 965430 1060290 1061973 1124442 1126335 1179970 1192590 1311849 1351602 1448145 1457610 1651958 1737774 1769955 1788885 1874070 2027403 2123946 2186415 2252670 2477937 2623698 2811105 2896290 3185919 3379005 3539910 3577770 3935547 4054806 4129895 4344435 4372830 4955874 5309865 5622210 6082209 6371838 6559245 6758010 7433811 7871094 8259790 8688870 9557757 10137015 10619730 12164418 12389685 13118490 14867622 15929595 19115514 19677735 20274030 22301433 24779370 30411045 31859190 37169055 39355470 44602866 47788785 60822090 66904299 74338110 95577570 111507165 133808598 223014330 334521495 669042990
- Sum of all divisors σ(n): 2378585088
- Sum of proper divisors (its aliquot sum) s(n): 1709542098
- 669042990 is an abundant number, because the sum of its proper divisors (1709542098) is greater than itself. Its abundance is 1040499108
Bases of 669042990
- Binary: 1001111110000011001001001011102
- Hexadecimal: 0x27E0C92E
- Base-36: B2BWVI
Squares and roots of 669042990
- 669042990 squared (6690429902) is 447618522468140100
- 669042990 cubed (6690429903) is 299476034651466632242899000
-
The
square root of 669042990 is 25865.8653441171 -
The
cube root of 669042990 is 874.6171887357
Scales and comparisons
How big is 669042990?- 669,042,990 seconds is equal to 21 years, 14 weeks, 1 day, 13 hours, 16 minutes, 30 seconds.
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To count from 1 to 669,042,990 would take you about thirty-one 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 669042990 cubic inches would be around 72.9 feet tall.
Recreational maths with 669042990
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