128484720
128,484,720 is an even composite number composed of seven prime numbers multiplied together.
128484720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 128484720:
24 × 32 × 5 × 7 × 13 × 37 × 53
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 37 × 53)See below for interesting mathematical facts about the number 128484720 from the Numbermatics database.
Names of 128484720
- Cardinal: 128484720 can be written as One hundred twenty-eight million, four hundred eighty-four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2848472 × 108
Factors of 128484720
Divisors of 128484720
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 35 36 37 39 40 42 45 48 52 53 56 60 63 65 70 72 74 78 80 84 90 91 104 105 106 111 112 117 120 126 130 140 144 148 156 159 168 180 182 185 195 208 210 212 222 234 240 252 259 260 265 273 280 296 312 315 318 333 336 360 364 370 371 390 420 424 444 455 468 477 481 504 518 520 530 546 555 560 585 592 624 630 636 666 689 720 728 740 742 777 780 795 819 840 848 888 910 936 954 962 1008 1036 1040 1060 1092 1110 1113 1170 1260 1272 1295 1332 1365 1378 1443 1456 1480 1484 1554 1560 1590 1638 1665 1680 1776 1820 1855 1872 1908 1924 1961 2067 2072 2120 2184 2220 2226 2331 2340 2385 2405 2520 2544 2590 2664 2730 2756 2886 2960 2968 3108 3120 3180 3276 3330 3339 3367 3445 3640 3710 3816 3848 3885 3922 4095 4134 4144 4240 4329 4368 4440 4452 4662 4680 4770 4810 4823 5040 5180 5328 5460 5512 5565 5772 5883 5936 6201 6216 6360 6552 6660 6678 6734 6890 7215 7280 7420 7632 7696 7770 7844 8190 8268 8658 8880 8904 9324 9360 9540 9620 9646 9805 10101 10335 10360 10920 11024 11130 11544 11655 11766 12402 12432 12720 13104 13320 13356 13468 13727 13780 14430 14469 14840 15540 15688 16380 16536 16695 16835 17316 17649 17808 18648 19080 19240 19292 19610 20202 20670 20720 21645 21840 22260 23088 23310 23532 24115 24804 25493 26640 26712 26936 27454 27560 28860 28938 29415 29680 30303 31005 31080 31376 32760 33072 33390 33670 34632 35298 37296 38160 38480 38584 39220 40404 41181 41340 43290 43407 44520 46620 47064 48230 49608 50505 50986 53424 53872 54908 55120 57720 57876 58830 60606 62010 62160 65520 66780 67340 68635 69264 70596 72345 76479 77168 78440 80808 82362 82680 86580 86814 88245 89040 93240 94128 96460 99216 101010 101972 109816 115440 115752 117660 121212 123543 124020 127465 133560 134680 137270 141192 144690 151515 152958 156880 161616 164724 165360 173160 173628 176490 178451 186480 192920 202020 203944 205905 217035 219632 229437 231504 235320 242424 247086 248040 254930 267120 269360 274540 282384 289380 303030 305916 329448 346320 347256 352980 356902 382395 385840 404040 407888 411810 434070 458874 470640 484848 494172 496080 509860 535353 549080 578760 606060 611832 617715 658896 694512 705960 713804 764790 808080 823620 868140 892255 917748 988344 1019720 1070706 1098160 1147185 1157520 1212120 1223664 1235430 1411920 1427608 1529580 1606059 1647240 1736280 1784510 1835496 1976688 2039440 2141412 2294370 2424240 2470860 2676765 2855216 3059160 3212118 3294480 3472560 3569020 3670992 4282824 4588740 4941720 5353530 6118320 6424236 7138040 8030295 8565648 9177480 9883440 10707060 12848472 14276080 16060590 18354960 21414120 25696944 32121180 42828240 64242360 128484720
- Sum of all divisors σ(n): 555714432
- Sum of proper divisors (its aliquot sum) s(n): 427229712
- 128484720 is an abundant number, because the sum of its proper divisors (427229712) is greater than itself. Its abundance is 298744992
Bases of 128484720
- Binary: 1111010100010000101011100002
- Hexadecimal: 0x7A88570
- Base-36: 24HVG0
Squares and roots of 128484720
- 128484720 squared (1284847202) is 16508323273478400
- 128484720 cubed (1284847203) is 2121067293462355650048000
-
The
square root of 128484720 is 11335.1100568103 -
The
cube root of 128484720 is 504.6037737665
Scales and comparisons
How big is 128484720?- 128,484,720 seconds is equal to 4 years, 4 weeks, 3 days, 2 hours, 12 minutes.
-
To count from 1 to 128,484,720 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 128484720 cubic inches would be around 42.1 feet tall.
Recreational maths with 128484720
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