668421000
668,421,000 is an even composite number composed of six prime numbers multiplied together.
668421000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 668421000:
23 × 32 × 53 × 13 × 29 × 197
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 13 × 29 × 197)See below for interesting mathematical facts about the number 668421000 from the Numbermatics database.
Names of 668421000
- Cardinal: 668421000 can be written as Six hundred sixty-eight million, four hundred twenty-one thousand.
Scientific notation
- Scientific notation: 6.68421 × 108
Factors of 668421000
Divisors of 668421000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 25 26 29 30 36 39 40 45 50 52 58 60 65 72 75 78 87 90 100 104 116 117 120 125 130 145 150 156 174 180 195 197 200 225 232 234 250 260 261 290 300 312 325 348 360 375 377 390 394 435 450 468 500 520 522 580 585 591 600 650 696 725 750 754 780 788 870 900 936 975 985 1000 1044 1125 1131 1160 1170 1182 1300 1305 1450 1500 1508 1560 1576 1625 1740 1773 1800 1885 1950 1970 2088 2175 2250 2262 2340 2364 2561 2600 2610 2900 2925 2955 3000 3016 3250 3393 3480 3546 3625 3770 3900 3940 4350 4500 4524 4680 4728 4875 4925 5122 5220 5655 5713 5800 5850 5910 6500 6525 6786 7092 7250 7540 7683 7800 7880 8700 8865 9000 9048 9425 9750 9850 10244 10440 10875 11310 11426 11700 11820 12805 13000 13050 13572 14184 14500 14625 14775 15080 15366 16965 17139 17400 17730 18850 19500 19700 20488 21750 22620 22852 23049 23400 23640 24625 25610 26100 27144 28275 28565 29000 29250 29550 30732 32625 33930 34278 35460 37700 38415 39000 39400 43500 44325 45240 45704 46098 47125 49250 51220 51417 52200 56550 57130 58500 59100 61464 64025 65250 67860 68556 70920 73875 74269 75400 76830 84825 85695 87000 88650 92196 94250 98500 102440 102834 113100 114260 115245 117000 118200 128050 130500 135720 137112 141375 142825 147750 148538 153660 169650 171390 177300 184392 188500 192075 197000 205668 221625 222807 226200 228520 230490 256100 257085 261000 282750 285650 295500 297076 307320 320125 339300 342780 354600 371345 377000 384150 411336 424125 428475 443250 445614 460980 512200 514170 565500 571300 576225 591000 594152 640250 668421 678600 685560 714125 742690 768300 848250 856950 886500 891228 921960 960375 1028340 1114035 1131000 1142600 1152450 1280500 1285425 1336842 1428250 1485380 1536600 1696500 1713900 1773000 1782456 1856725 1920750 2056680 2142375 2228070 2304900 2561000 2570850 2673684 2856500 2881125 2970760 3342105 3393000 3427800 3713450 3841500 4284750 4456140 4609800 5141700 5347368 5570175 5713000 5762250 6427125 6684210 7426900 7683000 8569500 8912280 9283625 10283400 11140350 11524500 12854250 13368420 14853800 16710525 17139000 18567250 22280700 23049000 25708500 26736840 27850875 33421050 37134500 44561400 51417000 55701750 66842100 74269000 83552625 111403500 133684200 167105250 222807000 334210500 668421000
- Sum of all divisors σ(n): 2529727200
- Sum of proper divisors (its aliquot sum) s(n): 1861306200
- 668421000 is an abundant number, because the sum of its proper divisors (1861306200) is greater than itself. Its abundance is 1192885200
Bases of 668421000
- Binary: 1001111101011101001011100010002
- Hexadecimal: 0x27D74B88
- Base-36: B1YKY0
Squares and roots of 668421000
- 668421000 squared (6684210002) is 446786633241000000
- 668421000 cubed (6684210003) is 298641568177582461000000000
-
The
square root of 668421000 is 25853.8391733221 -
The
cube root of 668421000 is 874.3460692301
Scales and comparisons
How big is 668421000?- 668,421,000 seconds is equal to 21 years, 13 weeks, 1 day, 8 hours, 30 minutes.
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To count from 1 to 668,421,000 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 668421000 cubic inches would be around 72.9 feet tall.
Recreational maths with 668421000
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