385018920
385,018,920 is an even composite number composed of six prime numbers multiplied together.
385018920 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 385018920:
23 × 35 × 5 × 11 × 13 × 277
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 13 × 277)See below for interesting mathematical facts about the number 385018920 from the Numbermatics database.
Names of 385018920
- Cardinal: 385018920 can be written as Three hundred eighty-five million, eighteen thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.8501892 × 108
Factors of 385018920
Divisors of 385018920
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 24 26 27 30 33 36 39 40 44 45 52 54 55 60 65 66 72 78 81 88 90 99 104 108 110 117 120 130 132 135 143 156 162 165 180 195 198 216 220 234 243 260 264 270 277 286 297 312 324 330 351 360 390 396 405 429 440 468 486 495 520 540 554 572 585 594 648 660 702 715 780 792 810 831 858 891 936 972 990 1053 1080 1108 1144 1170 1188 1215 1287 1320 1385 1404 1430 1485 1560 1620 1662 1716 1755 1782 1944 1980 2106 2145 2216 2340 2376 2430 2493 2574 2673 2770 2808 2860 2970 3047 3159 3240 3324 3432 3510 3564 3601 3861 3960 4155 4212 4290 4455 4680 4860 4986 5148 5265 5346 5540 5720 5940 6094 6318 6435 6648 7020 7128 7202 7479 7722 8310 8424 8580 8910 9141 9720 9972 10296 10530 10692 10803 11080 11583 11880 12188 12465 12636 12870 13365 14040 14404 14958 15235 15444 15795 16620 17160 17820 18005 18282 19305 19944 21060 21384 21606 22437 23166 24376 24930 25272 25740 26730 27423 28808 29916 30470 30888 31590 32409 33240 34749 35640 36010 36564 37395 38610 39611 42120 43212 44874 45705 46332 49860 51480 53460 54015 54846 57915 59832 60940 63180 64818 67311 69498 72020 73128 74790 77220 79222 82269 86424 89748 91410 92664 97227 99720 106920 108030 109692 112185 115830 118833 121880 126360 129636 134622 137115 138996 144040 149580 154440 158444 162045 164538 173745 179496 182820 194454 198055 216060 219384 224370 231660 237666 246807 259272 269244 274230 277992 291681 299160 316888 324090 329076 336555 347490 356499 365640 388908 396110 411345 432120 448740 463320 475332 486135 493614 538488 548460 583362 594165 648180 658152 673110 694980 712998 740421 777816 792220 822690 875043 897480 950664 972270 987228 1069497 1096920 1166724 1188330 1234035 1296360 1346220 1389960 1425996 1458405 1480842 1584440 1645380 1750086 1782495 1944540 1974456 2138994 2333448 2376660 2468070 2692440 2851992 2916810 2961684 3208491 3290760 3500172 3564990 3702105 3889080 4277988 4375215 4753320 4936140 5347485 5833620 5923368 6416982 7000344 7129980 7404210 8555976 8750430 9625473 9872280 10694970 11667240 12833964 14259960 14808420 16042455 17500860 19250946 21389940 25667928 29616840 32084910 35001720 38501892 42779880 48127365 64169820 77003784 96254730 128339640 192509460 385018920
- Sum of all divisors σ(n): 1530023040
- Sum of proper divisors (its aliquot sum) s(n): 1145004120
- 385018920 is an abundant number, because the sum of its proper divisors (1145004120) is greater than itself. Its abundance is 759985200
Bases of 385018920
- Binary: 101101111001011101100001010002
- Hexadecimal: 0x16F2EC28
- Base-36: 6D8AI0
Squares and roots of 385018920
- 385018920 squared (3850189202) is 148239568757966400
- 385018920 cubed (3850189203) is 57075038664457964724288000
-
The
square root of 385018920 is 19621.8989906685 -
The
cube root of 385018920 is 727.4905514769
Scales and comparisons
How big is 385018920?- 385,018,920 seconds is equal to 12 years, 12 weeks, 4 days, 5 hours, 42 minutes.
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To count from 1 to 385,018,920 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 385018920 cubic inches would be around 60.6 feet tall.
Recreational maths with 385018920
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