28928789442
28,928,789,442 is an even composite number composed of six prime numbers multiplied together.
What does the number 28928789442 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 320 divisors.
28928789442 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 28928789442:
2 × 33 × 74 × 23 × 89 × 109
(2 × 3 × 3 × 3 × 7 × 7 × 7 × 7 × 23 × 89 × 109)See below for interesting mathematical facts about the number 28928789442 from the Numbermatics database.
Names of 28928789442
- Cardinal: 28928789442 can be written as Twenty-eight billion, nine hundred twenty-eight million, seven hundred eighty-nine thousand, four hundred forty-two.
Scientific notation
- Scientific notation: 2.8928789442 × 1010
Factors of 28928789442
Divisors of 28928789442
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 6 7 9 14 18 21 23 27 42 46 49 54 63 69 89 98 109 126 138 147 161 178 189 207 218 267 294 322 327 343 378 414 441 483 534 621 623 654 686 763 801 882 966 981 1029 1127 1242 1246 1323 1449 1526 1602 1869 1962 2047 2058 2254 2289 2401 2403 2507 2646 2898 2943 3087 3381 3738 4094 4347 4361 4578 4802 4806 5014 5341 5607 5886 6141 6174 6762 6867 7203 7521 7889 8694 8722 9261 9701 10143 10682 11214 12282 13083 13734 14329 14406 15042 15778 16023 16821 17549 18423 18522 19402 20286 20601 21609 22563 23667 26166 28658 29103 30429 30527 32046 33642 35098 36846 37387 39249 41202 42987 43218 45126 47334 48069 52647 55223 55269 58206 60858 61054 64827 67689 67907 71001 74774 78498 85974 87309 91581 96138 100303 105294 110446 110538 112161 117747 122843 128961 129654 135378 135814 142002 144207 157941 165669 174618 183162 200606 203721 213003 213689 223123 224322 235494 245686 257922 261709 261927 274743 288414 300909 315882 331338 336483 368529 386883 407442 426006 427378 446246 473823 475349 497007 523418 523854 549486 601818 611163 641067 669369 672966 702121 737058 773766 785127 824229 859901 902727 947646 950698 994014 1009449 1105587 1222326 1282134 1338738 1404242 1426047 1491021 1561861 1570254 1648458 1719802 1805454 1833489 1923201 2008107 2018898 2106363 2211174 2355381 2579703 2708181 2852094 2982042 3123722 3316761 3327443 3666978 3846402 4016214 4212726 4278141 4685583 4710762 4914847 5159406 5416362 5769603 6019307 6024321 6319089 6633522 6654886 7066143 7739109 8556282 9371166 9829694 9982329 10933027 11539206 12038614 12048642 12638178 12834423 14056749 14132286 14744541 15478218 18057921 18957267 19964658 21866054 23217327 23292101 25668846 28113498 29489082 29946987 32799081 36115842 37914534 42170247 44233623 46434654 46584202 54173763 59893974 65598162 69876303 76531189 84340494 88467246 89840961 98397243 108347526 132700869 139752606 153062378 162521289 179681922 196794486 209628909 229593567 265401738 295191729 325042578 419257818 459187134 535718323 590383458 628886727 688780701 1071436646 1257773454 1377561402 1607154969 2066342103 3214309938 4132684206 4821464907 9642929814 14464394721 28928789442
- Sum of all divisors σ(n): 79862112000
- Sum of proper divisors (its aliquot sum) s(n): 50933322558
- 28928789442 is an abundant number, because the sum of its proper divisors (50933322558) is greater than itself. Its abundance is 22004533116
Bases of 28928789442
- Binary: 110101111000100101001001011110000102
- Hexadecimal: 0x6BC4A4BC2
- Base-36: DAFGCSI
Squares and roots of 28928789442
- 28928789442 squared (289287894422) is 836874858579570671364
- 28928789442 cubed (289287894423) is 24209776573151927154647734938888
-
The
square root of 28928789442 is 170084.6537521831 -
The
cube root of 28928789442 is 3069.8000358533
Scales and comparisons
How big is 28928789442?- 28,928,789,442 seconds is equal to 919 years, 43 weeks, 6 days, 22 hours, 50 minutes, 42 seconds.
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To count from 1 to 28,928,789,442 would take you about one thousand, eight hundred thirty-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 28928789442 cubic inches would be around 255.8 feet tall.
Recreational maths with 28928789442
- 28928789442 backwards is 24498782982
- 28928789442 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28928789442's digits is 63
- More coming soon!
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