385072380
385,072,380 is an even composite number composed of five prime numbers multiplied together.
385072380 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred twenty divisors.
Prime factorization of 385072380:
22 × 36 × 5 × 74 × 11
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 7 × 11)See below for interesting mathematical facts about the number 385072380 from the Numbermatics database.
Names of 385072380
- Cardinal: 385072380 can be written as Three hundred eighty-five million, seventy-two thousand, three hundred eighty.
Scientific notation
- Scientific notation: 3.8507238 × 108
Factors of 385072380
Divisors of 385072380
- Number of divisors d(n): 420
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 33 35 36 42 44 45 49 54 55 60 63 66 70 77 81 84 90 98 99 105 108 110 126 132 135 140 147 154 162 165 180 189 196 198 210 220 231 243 245 252 270 294 297 308 315 324 330 343 378 385 396 405 420 441 462 486 490 495 539 540 567 588 594 630 660 686 693 729 735 756 770 810 882 891 924 945 972 980 990 1029 1078 1134 1155 1188 1215 1260 1323 1372 1386 1458 1470 1485 1540 1617 1620 1701 1715 1764 1782 1890 1980 2058 2079 2156 2205 2268 2310 2401 2430 2646 2673 2695 2772 2835 2916 2940 2970 3087 3234 3402 3430 3465 3564 3645 3773 3780 3969 4116 4158 4410 4455 4620 4802 4851 4860 5103 5145 5292 5346 5390 5670 5940 6174 6237 6468 6615 6804 6860 6930 7203 7290 7546 7938 8019 8085 8316 8505 8820 8910 9261 9604 9702 10206 10290 10395 10692 10780 11319 11340 11907 12005 12348 12474 13230 13365 13860 14406 14553 14580 15092 15435 15876 16038 16170 17010 17820 18522 18711 18865 19404 19845 20412 20580 20790 21609 22638 23814 24010 24255 24948 25515 26411 26460 26730 27783 28812 29106 30870 31185 32076 32340 33957 34020 35721 36015 37044 37422 37730 39690 40095 41580 43218 43659 45276 46305 47628 48020 48510 51030 52822 53460 55566 56133 56595 58212 59535 61740 62370 64827 67914 71442 72030 72765 74844 75460 79233 79380 80190 83349 86436 87318 92610 93555 97020 101871 102060 105644 108045 111132 112266 113190 119070 124740 129654 130977 132055 135828 138915 142884 144060 145530 158466 160380 166698 169785 174636 178605 185220 187110 194481 203742 216090 218295 224532 226380 237699 238140 250047 259308 261954 264110 277830 280665 291060 305613 316932 324135 333396 339570 357210 374220 388962 392931 396165 407484 416745 432180 436590 475398 500094 509355 523908 528220 555660 561330 583443 611226 648270 654885 679140 713097 714420 777924 785862 792330 833490 873180 916839 950796 972405 1000188 1018710 1122660 1166886 1188495 1222452 1250235 1296540 1309770 1426194 1528065 1571724 1584660 1666980 1750329 1833678 1944810 1964655 2037420 2139291 2333772 2376990 2500470 2619540 2750517 2852388 2917215 3056130 3500658 3565485 3667356 3889620 3929310 4278582 4584195 4753980 5000940 5501034 5834430 6112260 6417873 7001316 7130970 7858620 8557164 8751645 9168390 10696455 11002068 11668860 12835746 13752585 14261940 17503290 18336780 19253619 21392910 25671492 27505170 32089365 35006580 38507238 42785820 55010340 64178730 77014476 96268095 128357460 192536190 385072380
- Sum of all divisors σ(n): 1542992472
- Sum of proper divisors (its aliquot sum) s(n): 1157920092
- 385072380 is an abundant number, because the sum of its proper divisors (1157920092) is greater than itself. Its abundance is 772847712
Bases of 385072380
- Binary: 101101111001110111100111111002
- Hexadecimal: 0x16F3BCFC
- Base-36: 6D9FR0
Squares and roots of 385072380
- 385072380 squared (3850723802) is 148280737838864400
- 385072380 cubed (3850723803) is 57098816627767571005272000
-
The
square root of 385072380 is 19623.2611968551 -
The
cube root of 385072380 is 727.5242206837
Scales and comparisons
How big is 385072380?- 385,072,380 seconds is equal to 12 years, 12 weeks, 4 days, 20 hours, 33 minutes.
-
To count from 1 to 385,072,380 would take you about eighteen 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 385072380 cubic inches would be around 60.6 feet tall.
Recreational maths with 385072380
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