145023840
145,023,840 is an even composite number composed of six prime numbers multiplied together.
145023840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 145023840:
25 × 32 × 5 × 13 × 61 × 127
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 61 × 127)See below for interesting mathematical facts about the number 145023840 from the Numbermatics database.
Names of 145023840
- Cardinal: 145023840 can be written as One hundred forty-five million, twenty-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.4502384 × 108
Factors of 145023840
Divisors of 145023840
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 61 65 72 78 80 90 96 104 117 120 122 127 130 144 156 160 180 183 195 208 234 240 244 254 260 288 305 312 360 366 381 390 416 468 480 488 508 520 549 585 610 624 635 720 732 762 780 793 915 936 976 1016 1040 1098 1143 1170 1220 1248 1270 1440 1464 1524 1560 1586 1651 1830 1872 1905 1952 2032 2080 2196 2286 2340 2379 2440 2540 2745 2928 3048 3120 3172 3302 3660 3744 3810 3965 4064 4392 4572 4680 4758 4880 4953 5080 5490 5715 5856 6096 6240 6344 6604 7137 7320 7620 7747 7930 8255 8784 9144 9360 9516 9760 9906 10160 10980 11430 11895 12192 12688 13208 14274 14640 14859 15240 15494 15860 16510 17568 18288 18720 19032 19812 20320 21960 22860 23241 23790 24765 25376 26416 28548 29280 29718 30480 30988 31720 33020 35685 36576 38064 38735 39624 43920 45720 46482 47580 49530 52832 57096 59436 60960 61976 63440 66040 69723 71370 74295 76128 77470 79248 87840 91440 92964 95160 99060 100711 114192 116205 118872 123952 126880 132080 139446 142740 148590 154940 158496 182880 185928 190320 198120 201422 228384 232410 237744 247904 264160 278892 285480 297180 302133 309880 348615 371856 380640 396240 402844 464820 475488 503555 557784 570960 594360 604266 619760 697230 743712 792480 805688 906399 929640 1007110 1115568 1141920 1188720 1208532 1239520 1394460 1510665 1611376 1812798 1859280 2014220 2231136 2377440 2417064 2788920 3021330 3222752 3625596 3718560 4028440 4531995 4834128 5577840 6042660 7251192 8056880 9063990 9668256 11155680 12085320 14502384 16113760 18127980 24170640 29004768 36255960 48341280 72511920 145023840
- Sum of all divisors σ(n): 545965056
- Sum of proper divisors (its aliquot sum) s(n): 400941216
- 145023840 is an abundant number, because the sum of its proper divisors (400941216) is greater than itself. Its abundance is 255917376
Bases of 145023840
- Binary: 10001010010011100011011000002
- Hexadecimal: 0x8A4E360
- Base-36: 2ECD40
Squares and roots of 145023840
- 145023840 squared (1450238402) is 21031914168345600
- 145023840 cubed (1450238403) is 3050128955243885359104000
-
The
square root of 145023840 is 12042.5844402271 -
The
cube root of 145023840 is 525.3875777485
Scales and comparisons
How big is 145023840?- 145,023,840 seconds is equal to 4 years, 31 weeks, 5 days, 12 hours, 24 minutes.
-
To count from 1 to 145,023,840 would take you about six 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 145023840 cubic inches would be around 43.8 feet tall.
Recreational maths with 145023840
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