129998418720
129,998,418,720 is an even composite number composed of six prime numbers multiplied together.
What does the number 129998418720 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 192 divisors.
129998418720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 129998418720:
25 × 3 × 5 × 43 × 839 × 7507
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 43 × 839 × 7507)See below for interesting mathematical facts about the number 129998418720 from the Numbermatics database.
Names of 129998418720
- Cardinal: 129998418720 can be written as One hundred twenty-nine billion, nine hundred ninety-eight million, four hundred eighteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2999841872 × 1011
Factors of 129998418720
Divisors of 129998418720
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 80 86 96 120 129 160 172 215 240 258 344 430 480 516 645 688 839 860 1032 1290 1376 1678 1720 2064 2517 2580 3356 3440 4128 4195 5034 5160 6712 6880 7507 8390 10068 10320 12585 13424 15014 16780 20136 20640 22521 25170 26848 30028 33560 36077 37535 40272 45042 50340 60056 67120 72154 75070 80544 90084 100680 108231 112605 120112 134240 144308 150140 180168 180385 201360 216462 225210 240224 288616 300280 322801 360336 360770 402720 432924 450420 541155 577232 600560 645602 720672 721540 865848 900840 968403 1082310 1154464 1201120 1291204 1443080 1614005 1731696 1801680 1936806 2164620 2582408 2886160 3228010 3463392 3603360 3873612 4329240 4842015 5164816 5772320 6298373 6456020 7747224 8658480 9684030 10329632 12596746 12912040 15494448 17316960 18895119 19368060 25193492 25824080 30988896 31491865 37790238 38736120 50386984 51648160 62983730 75580476 77472240 94475595 100773968 125967460 151160952 154944480 188951190 201547936 251934920 270830039 302321904 377902380 503869840 541660078 604643808 755804760 812490117 1007739680 1083320156 1354150195 1511609520 1624980234 2166640312 2708300390 3023219040 3249960468 4062450585 4333280624 5416600780 6499920936 8124901170 8666561248 10833201560 12999841872 16249802340 21666403120 25999683744 32499604680 43332806240 64999209360 129998418720
- Sum of all divisors σ(n): 419573468160
- Sum of proper divisors (its aliquot sum) s(n): 289575049440
- 129998418720 is an abundant number, because the sum of its proper divisors (289575049440) is greater than itself. Its abundance is 159576630720
Bases of 129998418720
- Binary: 11110010001001000001001110011001000002
- Hexadecimal: 0x1E44827320
- Base-36: 1NPXP9UO
Squares and roots of 129998418720
- 129998418720 squared (1299984187202) is 16899588869700446438400
- 129998418720 cubed (1299984187203) is 2196919830079170157070055886848000
-
The
square root of 129998418720 is 360552.9346989149 -
The
cube root of 129998418720 is 5065.7764794189
Scales and comparisons
How big is 129998418720?- 129,998,418,720 seconds is equal to 4,133 years, 28 weeks, 3 days, 7 hours, 52 minutes.
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To count from 1 to 129,998,418,720 would take you about eight thousand, two hundred sixty-seven 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 129998418720 cubic inches would be around 422.1 feet tall.
Recreational maths with 129998418720
- 129998418720 backwards is 027814899921
- 129998418720 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 129998418720's digits is 60
- More coming soon!
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