128168938240
128,168,938,240 is an even composite number composed of six prime numbers multiplied together.
128168938240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 128168938240:
28 × 5 × 7 × 292 × 73 × 233
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 29 × 29 × 73 × 233)See below for interesting mathematical facts about the number 128168938240 from the Numbermatics database.
Names of 128168938240
- Cardinal: 128168938240 can be written as One hundred twenty-eight billion, one hundred sixty-eight million, nine hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.2816893824 × 1011
Factors of 128168938240
Divisors of 128168938240
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 73 80 112 116 128 140 145 146 160 203 224 232 233 256 280 290 292 320 365 406 448 464 466 511 560 580 584 640 730 812 841 896 928 932 1015 1022 1120 1160 1165 1168 1280 1460 1624 1631 1682 1792 1856 1864 2030 2044 2117 2240 2320 2330 2336 2555 2920 3248 3262 3364 3712 3728 4060 4088 4205 4234 4480 4640 4660 4672 5110 5840 5887 6496 6524 6728 6757 7424 7456 8120 8155 8176 8410 8468 8960 9280 9320 9344 10220 10585 11680 11774 12992 13048 13456 13514 14819 14912 16240 16310 16352 16820 16936 17009 18560 18640 18688 20440 21170 23360 23548 25984 26096 26912 27028 29435 29638 29824 32480 32620 32704 33640 33785 33872 34018 37120 37280 40880 42340 46720 47096 47299 51968 52192 53824 54056 58870 59276 59648 61393 64960 65240 65408 67280 67570 67744 68036 74095 74560 81760 84680 85045 93440 94192 94598 104384 107648 108112 117740 118552 119063 122786 129920 130480 130816 134560 135140 135488 136072 148190 149120 163520 169360 170090 188384 189196 195953 208768 215296 216224 235480 236495 237104 238126 245572 259840 260960 269120 270280 270976 272144 296380 298240 306965 327040 338720 340180 376768 378392 391906 417536 429751 432448 470960 472990 474208 476252 491144 493261 521920 538240 540560 541952 544288 592760 595315 613930 654080 677440 680360 753536 756784 783812 859502 864896 941920 945980 948416 952504 979765 982288 986522 1043840 1076480 1081120 1088576 1185520 1190630 1227860 1354880 1360720 1371671 1507072 1513568 1567624 1719004 1729792 1883840 1891960 1896832 1905008 1959530 1964576 1973044 2087680 2148755 2162240 2177152 2371040 2381260 2455720 2466305 2709760 2721440 2743342 3027136 3135248 3438008 3452827 3767680 3783920 3793664 3810016 3919060 3929152 3946088 4297510 4324480 4354304 4742080 4762520 4911440 4932610 5442880 5486684 6054272 6270496 6858355 6876016 6905654 7535360 7567840 7620032 7838120 7858304 7892176 8595020 8648960 9484160 9525040 9822880 9865220 10885760 10973368 12108544 12540992 13716710 13752032 13811308 14304569 15135680 15240064 15676240 15716608 15784352 17190040 17264135 18968320 19050080 19645760 19730440 21771520 21946736 25081984 27433420 27504064 27622616 28609138 30271360 30480128 31352480 31568704 34380080 34528270 38100160 39291520 39460880 43893472 50163968 54866840 55008128 55245232 57218276 60542720 62704960 63137408 68760160 69056540 71522845 76200320 78583040 78921760 87786944 100131983 109733680 110016256 110490464 114436552 125409920 126274816 137520320 138113080 143045690 152400640 157843520 175573888 200263966 219467360 220980928 228873104 250819840 275040640 276226160 286091380 315687040 351147776 400527932 438934720 441961856 457746208 500659915 550081280 552452320 572182760 631374080 801055864 877869440 883923712 915492416 1001319830 1104904640 1144365520 1602111728 1755738880 1830984832 2002639660 2209809280 2288731040 3204223456 3661969664 4005279320 4419618560 4577462080 6408446912 8010558640 9154924160 12816893824 16021117280 18309848320 25633787648 32042234560 64084469120 128168938240
- Sum of all divisors σ(n): 369937084608
- Sum of proper divisors (its aliquot sum) s(n): 241768146368
- 128168938240 is an abundant number, because the sum of its proper divisors (241768146368) is greater than itself. Its abundance is 113599208128
Bases of 128168938240
- Binary: 11101110101110111011011001011000000002
- Hexadecimal: 0x1DD776CB00
- Base-36: 1MVOH5OG
Squares and roots of 128168938240
- 128168938240 squared (1281689382402) is 16427276729568934297600
- 128168938240 cubed (1281689382403) is 2105466616603509921811712180224000
-
The
square root of 128168938240 is 358006.8969168053 -
The
cube root of 128168938240 is 5041.9004003283
Scales and comparisons
How big is 128168938240?- 128,168,938,240 seconds is equal to 4,075 years, 19 weeks, 3 days, 18 hours, 50 minutes, 40 seconds.
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To count from 1 to 128,168,938,240 would take you about eight thousand, one hundred fifty 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 128168938240 cubic inches would be around 420.2 feet tall.
Recreational maths with 128168938240
- 128168938240 backwards is 042839861821
- The number of decimal digits it has is: 12
- The sum of 128168938240's digits is 52
- More coming soon!
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