129742217280
129,742,217,280 is an even composite number composed of six prime numbers multiplied together.
129742217280 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 129742217280:
26 × 32 × 5 × 13 × 461 × 7517
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 461 × 7517)See below for interesting mathematical facts about the number 129742217280 from the Numbermatics database.
Names of 129742217280
- Cardinal: 129742217280 can be written as One hundred twenty-nine billion, seven hundred forty-two million, two hundred seventeen thousand, two hundred eighty.
Scientific notation
- Scientific notation: 1.2974221728 × 1011
Factors of 129742217280
Divisors of 129742217280
- Number of divisors d(n): 336
-
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 64 65 72 78 80 90 96 104 117 120 130 144 156 160 180 192 195 208 234 240 260 288 312 320 360 390 416 461 468 480 520 576 585 624 720 780 832 922 936 960 1040 1170 1248 1383 1440 1560 1844 1872 2080 2305 2340 2496 2766 2880 3120 3688 3744 4149 4160 4610 4680 5532 5993 6240 6915 7376 7488 7517 8298 9220 9360 11064 11986 12480 13830 14752 15034 16596 17979 18440 18720 20745 22128 22551 23972 27660 29504 29965 30068 33192 35958 36880 37440 37585 41490 44256 45102 47944 53937 55320 59930 60136 66384 67653 71916 73760 75170 82980 88512 89895 90204 95888 97721 107874 110640 112755 119860 120272 132768 135306 143832 147520 150340 165960 179790 180408 191776 195442 215748 221280 225510 239720 240544 265536 269685 270612 287664 293163 300680 331920 338265 359580 360816 383552 390884 431496 442560 451020 479440 481088 488605 539370 541224 575328 586326 601360 663840 676530 719160 721632 781768 862992 879489 902040 958880 977210 1078740 1082448 1150656 1172652 1202720 1327680 1353060 1438320 1443264 1465815 1563536 1725984 1758978 1804080 1917760 1954420 2157480 2164896 2345304 2405440 2706120 2876640 2931630 3127072 3451968 3465337 3517956 3608160 3908840 4314960 4329792 4397445 4690608 5412240 5753280 5863260 6254144 6930674 7035912 7216320 7817680 8629920 8794890 9381216 10396011 10824480 11726520 13861348 14071824 15635360 17259840 17326685 17589780 18762432 20792022 21648960 23453040 27722696 28143648 31188033 31270720 34653370 35179560 41584044 45049381 46906080 51980055 55445392 56287296 62376066 69306740 70359120 83168088 90098762 93812160 103960110 110890784 124752132 135148143 138613480 140718240 155940165 166336176 180197524 207920220 221781568 225246905 249504264 270296286 277226960 281436480 311880330 332672352 360395048 405444429 415840440 450493810 499008528 540592572 554453920 623760660 665344704 675740715 720790096 810888858 831680880 900987620 998017056 1081185144 1108907840 1247521320 1351481430 1441580192 1621777716 1663361760 1801975240 1996034112 2027222145 2162370288 2495042640 2702962860 2883160384 3243555432 3326723520 3603950480 4054444290 4324740576 4990085280 5405925720 6487110864 7207900960 8108888580 8649481152 9980170560 10811851440 12974221728 14415801920 16217777160 21623702880 25948443456 32435554320 43247405760 64871108640 129742217280
- Sum of all divisors σ(n): 481693356144
- Sum of proper divisors (its aliquot sum) s(n): 351951138864
- 129742217280 is an abundant number, because the sum of its proper divisors (351951138864) is greater than itself. Its abundance is 222208921584
Bases of 129742217280
- Binary: 11110001101010011110100100000010000002
- Hexadecimal: 0x1E353D2040
- Base-36: 1NLP5ZK0
Squares and roots of 129742217280
- 129742217280 squared (1297422172802) is 16833042944730730598400
- 129742217280 cubed (1297422172803) is 2183956315218825480390757220352000
-
The
square root of 129742217280 is 360197.4698411967 -
The
cube root of 129742217280 is 5062.4464061633
Scales and comparisons
How big is 129742217280?- 129,742,217,280 seconds is equal to 4,125 years, 20 weeks, 6 days, 48 minutes.
-
To count from 1 to 129,742,217,280 would take you about eight thousand, two 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 129742217280 cubic inches would be around 421.9 feet tall.
Recreational maths with 129742217280
- 129742217280 backwards is 082712247921
- 129742217280 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 129742217280's digits is 45
- More coming soon!
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