128531940240
128,531,940,240 is an even composite number composed of seven prime numbers multiplied together.
128531940240 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 128531940240:
24 × 3 × 5 × 112 × 19 × 281 × 829
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 11 × 19 × 281 × 829)See below for interesting mathematical facts about the number 128531940240 from the Numbermatics database.
Names of 128531940240
- Cardinal: 128531940240 can be written as One hundred twenty-eight billion, five hundred thirty-one million, nine hundred forty thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.2853194024 × 1011
Factors of 128531940240
Divisors of 128531940240
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 33 38 40 44 48 55 57 60 66 76 80 88 95 110 114 120 121 132 152 165 176 190 209 220 228 240 242 264 281 285 304 330 363 380 418 440 456 484 528 562 570 605 627 660 726 760 829 836 843 880 912 968 1045 1124 1140 1210 1254 1320 1405 1452 1520 1658 1672 1686 1815 1936 2090 2248 2280 2299 2420 2487 2508 2640 2810 2904 3091 3135 3316 3344 3372 3630 4145 4180 4215 4496 4560 4598 4840 4974 5016 5339 5620 5808 6182 6270 6632 6744 6897 7260 8290 8360 8430 9119 9196 9273 9680 9948 10032 10678 11240 11495 12364 12435 12540 13264 13488 13794 14520 15455 15751 16017 16580 16720 16860 18238 18392 18546 19896 21356 22480 22990 24728 24870 25080 26695 27357 27588 29040 30910 31502 32034 33160 33720 34001 34485 36476 36784 37092 39792 42712 45595 45980 46365 47253 49456 49740 50160 53390 54714 55176 58729 61820 63004 64068 66320 67440 68002 68970 72952 74184 78755 80085 85424 91190 91960 92730 94506 99480 100309 102003 106780 109428 110352 117458 123640 126008 128136 136004 136785 137940 145904 148368 157510 160170 170005 173261 176187 182380 183920 185460 189012 198960 200618 204006 213560 218856 232949 234916 236265 247280 252016 256272 272008 273570 275880 293645 300927 315020 320340 340010 346522 352374 364760 370920 378024 401236 408012 427120 437712 465898 469832 472530 501545 510015 519783 544016 547140 551760 587290 601854 630040 640680 646019 680020 693044 698847 704748 729520 741840 756048 802472 816024 866305 880935 931796 939664 945060 1003090 1020030 1039566 1094280 1164745 1174580 1203708 1260080 1281360 1292038 1360040 1386088 1397694 1409496 1504635 1604944 1632048 1732610 1761870 1863592 1890120 1905871 1938057 2006180 2040060 2079132 2188560 2329490 2349160 2407416 2562439 2584076 2598915 2720080 2772176 2795388 2818992 3009270 3230095 3465220 3494235 3523740 3727184 3780240 3811742 3876114 4012360 4080120 4158264 4426031 4658980 4698320 4814832 5124878 5168152 5197830 5590776 5717613 6018540 6460190 6930440 6988470 7047480 7623484 7687317 7752228 8024720 8160240 8316528 8852062 9317960 9529355 9690285 10249756 10336304 10395660 11181552 11435226 12037080 12812195 12920380 13278093 13860880 13976940 14094960 15246968 15374634 15504456 17704124 18635920 19058710 19380570 20499512 20791320 22130155 22870452 24074160 25624390 25840760 26556186 27953880 28186829 28588065 30493936 30749268 31008912 35408248 38117420 38436585 38761140 40999024 41582640 44260310 45740904 48686341 51248780 51681520 53112372 55907760 56373658 57176130 61498536 66390465 70816496 76234840 76873170 77522280 84560487 88520620 91481808 97372682 102497560 106224744 112747316 114352260 122997072 132780930 140934145 146059023 152469680 153746340 155044560 169120974 177041240 194745364 204995120 212449488 225494632 228704520 243431705 265561860 281868290 292118046 307492680 338241948 354082480 389490728 422802435 450989264 457409040 486863410 531123720 535549751 563736580 584236092 614985360 676483896 730295115 778981456 845604870 973726820 1062247440 1071099502 1127473160 1168472184 1352967792 1460590230 1606649253 1691209740 1947453640 2142199004 2254946320 2336944368 2677748755 2921180460 3213298506 3382419480 3894907280 4284398008 5355497510 5842360920 6426597012 6764838960 8033246265 8568796016 10710995020 11684721840 12853194024 16066492530 21421990040 25706388048 32132985060 42843980080 64265970120 128531940240
- Sum of all divisors σ(n): 463214102400
- Sum of proper divisors (its aliquot sum) s(n): 334682162160
- 128531940240 is an abundant number, because the sum of its proper divisors (334682162160) is greater than itself. Its abundance is 206150221920
Bases of 128531940240
- Binary: 11101111011010001100111000011100100002
- Hexadecimal: 0x1DED19C390
- Base-36: 1N1OLJTC
Squares and roots of 128531940240
- 128531940240 squared (1285319402402) is 16520459661858931257600
- 128531940240 cubed (1285319402403) is 2123406733995382759712111245824000
-
The
square root of 128531940240 is 358513.5147243407 -
The
cube root of 128531940240 is 5046.6558291369
Scales and comparisons
How big is 128531940240?- 128,531,940,240 seconds is equal to 4,086 years, 47 weeks, 5 days, 4 hours, 44 minutes.
-
To count from 1 to 128,531,940,240 would take you about eight thousand, one hundred seventy-three 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 128531940240 cubic inches would be around 420.6 feet tall.
Recreational maths with 128531940240
- 128531940240 backwards is 042049135821
- The number of decimal digits it has is: 12
- The sum of 128531940240's digits is 39
- More coming soon!
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