128942750400
128,942,750,400 is an even composite number composed of six prime numbers multiplied together.
128942750400 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 128942750400:
26 × 3 × 52 × 37 × 683 × 1063
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 37 × 683 × 1063)See below for interesting mathematical facts about the number 128942750400 from the Numbermatics database.
Names of 128942750400
- Cardinal: 128942750400 can be written as One hundred twenty-eight billion, nine hundred forty-two million, seven hundred fifty thousand, four hundred.
Scientific notation
- Scientific notation: 1.289427504 × 1011
Factors of 128942750400
Divisors of 128942750400
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 37 40 48 50 60 64 74 75 80 96 100 111 120 148 150 160 185 192 200 222 240 296 300 320 370 400 444 480 555 592 600 683 740 800 888 925 960 1063 1110 1184 1200 1366 1480 1600 1776 1850 2049 2126 2220 2368 2400 2732 2775 2960 3189 3415 3552 3700 4098 4252 4440 4800 5315 5464 5550 5920 6378 6830 7104 7400 8196 8504 8880 10245 10630 10928 11100 11840 12756 13660 14800 15945 16392 17008 17075 17760 20490 21260 21856 22200 25271 25512 26575 27320 29600 31890 32784 34016 34150 35520 39331 40980 42520 43712 44400 50542 51024 51225 53150 54640 59200 63780 65568 68032 68300 75813 78662 79725 81960 85040 88800 101084 102048 102450 106300 109280 117993 126355 127560 131136 136600 151626 157324 159450 163920 170080 177600 196655 202168 204096 204900 212600 218560 235986 252710 255120 273200 303252 314648 318900 327840 340160 379065 393310 404336 409800 425200 471972 505420 510240 546400 589965 606504 629296 631775 637800 655680 726029 758130 786620 808672 819600 850400 943944 983275 1010840 1020480 1092800 1179930 1213008 1258592 1263550 1275600 1452058 1516260 1573240 1617344 1639200 1700800 1887888 1895325 1966550 2021680 2178087 2359860 2426016 2517184 2527100 2551200 2904116 2949825 3032520 3146480 3278400 3630145 3775776 3790650 3933100 4043360 4356174 4719720 4852032 5054200 5102400 5808232 5899650 6065040 6292960 7260290 7551552 7581300 7866200 8086720 8712348 9439440 10108400 10890435 11616464 11799300 12130080 12585920 14520580 15162600 15732400 17424696 18150725 18878880 20216800 21780870 23232928 23598600 24260160 26863073 29041160 30325200 31464800 34849392 36301450 37757760 40433600 43561740 46465856 47197200 53726146 54452175 58082320 60650400 62929600 69698784 72602900 80589219 87123480 94394400 107452292 108904350 116164640 121300800 134315365 139397568 145205800 161178438 174246960 188788800 214904584 217808700 232329280 268630730 290411600 322356876 348493920 402946095 429809168 435617400 537261460 580823200 644713752 671576825 696987840 805892190 859618336 871234800 1074522920 1161646400 1289427504 1343153650 1611784380 1719236672 1742469600 2014730475 2149045840 2578855008 2686307300 3223568760 3484939200 4029460950 4298091680 5157710016 5372614600 6447137520 8058921900 8596183360 10745229200 12894275040 16117843800 21490458400 25788550080 32235687600 42980916800 64471375200 128942750400
- Sum of all divisors σ(n): 435518625024
- Sum of proper divisors (its aliquot sum) s(n): 306575874624
- 128942750400 is an abundant number, because the sum of its proper divisors (306575874624) is greater than itself. Its abundance is 177633124224
Bases of 128942750400
- Binary: 11110000001011001011000111010110000002
- Hexadecimal: 0x1E05963AC0
- Base-36: 1N8H6MYO
Squares and roots of 128942750400
- 128942750400 squared (1289427504002) is 16626232880716700160000
- 128942750400 cubed (1289427504003) is 2143832196430526441842520064000000
-
The
square root of 128942750400 is 359085.9930434493 -
The
cube root of 128942750400 is 5052.0267706893
Scales and comparisons
How big is 128942750400?- 128,942,750,400 seconds is equal to 4,099 years, 50 weeks, 6 days, 22 hours, 40 minutes.
-
To count from 1 to 128,942,750,400 would take you about eight thousand, one hundred ninety-nine 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 128942750400 cubic inches would be around 421 feet tall.
Recreational maths with 128942750400
- 128942750400 backwards is 004057249821
- The number of decimal digits it has is: 12
- The sum of 128942750400's digits is 42
- More coming soon!
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