1385730720
1,385,730,720 is an even composite number composed of five prime numbers multiplied together.
1385730720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1385730720:
25 × 33 × 5 × 113 × 241
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 11 × 241)See below for interesting mathematical facts about the number 1385730720 from the Numbermatics database.
Names of 1385730720
- Cardinal: 1385730720 can be written as One billion, three hundred eighty-five million, seven hundred thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.38573072 × 109
Factors of 1385730720
Divisors of 1385730720
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 66 72 80 88 90 96 99 108 110 120 121 132 135 144 160 165 176 180 198 216 220 240 241 242 264 270 288 297 330 352 360 363 396 432 440 480 482 484 495 528 540 594 605 660 720 723 726 792 864 880 964 968 990 1056 1080 1089 1188 1205 1210 1320 1331 1440 1446 1452 1485 1584 1760 1815 1928 1936 1980 2160 2169 2178 2376 2410 2420 2640 2651 2662 2892 2904 2970 3168 3267 3615 3630 3856 3872 3960 3993 4320 4338 4356 4752 4820 4840 5280 5302 5324 5445 5784 5808 5940 6507 6534 6655 7230 7260 7712 7920 7953 7986 8676 8712 9504 9640 9680 10604 10648 10845 10890 11568 11616 11880 11979 13014 13068 13255 13310 14460 14520 15840 15906 15972 16335 17352 17424 19280 19360 19965 21208 21296 21690 21780 23136 23760 23859 23958 26028 26136 26510 26620 28920 29040 29161 31812 31944 32535 32670 34704 34848 35937 38560 39765 39930 42416 42592 43380 43560 47520 47718 47916 52056 52272 53020 53240 57840 58080 58322 59895 63624 63888 65070 65340 69408 71577 71874 79530 79860 84832 86760 87120 87483 95436 95832 104112 104544 106040 106480 115680 116644 119295 119790 127248 127776 130140 130680 143154 143748 145805 159060 159720 173520 174240 174966 179685 190872 191664 208224 212080 212960 233288 238590 239580 254496 260280 261360 262449 286308 287496 291610 318120 319440 320771 347040 349932 357885 359370 381744 383328 424160 437415 466576 477180 479160 520560 522720 524898 572616 574992 583220 636240 638880 641542 699864 715770 718740 763488 787347 874830 933152 954360 958320 962313 1041120 1049796 1145232 1149984 1166440 1272480 1283084 1312245 1399728 1431540 1437480 1574694 1603855 1749660 1908720 1916640 1924626 2099592 2290464 2332880 2566168 2624490 2799456 2863080 2874960 2886939 3149388 3207710 3499320 3817440 3849252 3936735 4199184 4665760 4811565 5132336 5248980 5726160 5749920 5773878 6298776 6415420 6998640 7698504 7873470 8398368 8660817 9623130 10264672 10497960 11452320 11547756 12597552 12830840 13997280 14434695 15397008 15746940 17321634 19246260 20995920 23095512 25195104 25661680 28869390 30794016 31493880 34643268 38492520 41991840 43304085 46191024 51323360 57738780 62987760 69286536 76985040 86608170 92382048 115477560 125975520 138573072 153970080 173216340 230955120 277146144 346432680 461910240 692865360 1385730720
- Sum of all divisors σ(n): 5356834560
- Sum of proper divisors (its aliquot sum) s(n): 3971103840
- 1385730720 is an abundant number, because the sum of its proper divisors (3971103840) is greater than itself. Its abundance is 2585373120
Bases of 1385730720
- Binary: 10100101001100010010010101000002
- Hexadecimal: 0x529892A0
- Base-36: MX10O0
Squares and roots of 1385730720
- 1385730720 squared (13857307202) is 1920249628351718400
- 1385730720 cubed (13857307203) is 2660948900075559151669248000
-
The
square root of 1385730720 is 37225.4042288327 -
The
cube root of 1385730720 is 1114.8752687461
Scales and comparisons
How big is 1385730720?- 1,385,730,720 seconds is equal to 44 years, 3 weeks, 1 day, 13 hours, 12 minutes.
-
To count from 1 to 1,385,730,720 would take you about eighty-eight 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 1385730720 cubic inches would be around 92.9 feet tall.
Recreational maths with 1385730720
- 1385730720 backwards is 0270375831
- 1385730720 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1385730720's digits is 36
- More coming soon!
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