129642735872
129,642,735,872 is an even composite number composed of five prime numbers multiplied together.
129642735872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 129642735872:
28 × 13 × 192 × 29 × 612
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 19 × 29 × 61 × 61)See below for interesting mathematical facts about the number 129642735872 from the Numbermatics database.
Names of 129642735872
- Cardinal: 129642735872 can be written as One hundred twenty-nine billion, six hundred forty-two million, seven hundred thirty-five thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.29642735872 × 1011
Factors of 129642735872
Divisors of 129642735872
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 4 8 13 16 19 26 29 32 38 52 58 61 64 76 104 116 122 128 152 208 232 244 247 256 304 361 377 416 464 488 494 551 608 722 754 793 832 928 976 988 1102 1159 1216 1444 1508 1586 1664 1769 1856 1952 1976 2204 2318 2432 2888 3016 3172 3328 3538 3712 3721 3904 3952 4408 4636 4693 4864 5776 6032 6344 7076 7163 7424 7442 7808 7904 8816 9272 9386 10469 11552 12064 12688 14152 14326 14884 15067 15616 15808 17632 18544 18772 20938 22021 22997 23104 24128 25376 28304 28652 29768 30134 31616 33611 35264 37088 37544 41876 44042 45994 46208 48256 48373 50752 56608 57304 59536 60268 63232 67222 70528 70699 74176 75088 83752 88084 91988 92416 96512 96746 101504 107909 113216 114608 119072 120536 134444 136097 141056 141398 148352 150176 167504 176168 183976 193492 203008 215818 226432 229216 238144 241072 268888 272194 282796 286273 296704 300352 335008 352336 367952 386984 431636 436943 452864 458432 476288 482144 537776 544388 565592 572546 600704 638609 670016 704672 735904 773968 863272 873886 916864 919087 952576 964288 1075552 1088776 1131184 1145092 1201408 1277218 1340032 1343281 1402817 1409344 1471808 1547936 1726544 1747772 1833728 1838174 1928576 2050271 2151104 2177552 2262368 2290184 2554436 2680064 2686562 2805634 2818688 2943616 3095872 3453088 3495544 3676348 3857152 4100542 4302208 4355104 4524736 4580368 5108872 5373124 5611268 5637376 5887232 6191744 6906176 6991088 7352696 8201084 8301917 8604416 8710208 9049472 9160736 10217744 10746248 11222536 12383488 13812352 13982176 14705392 16402168 16603834 17420416 17462653 18098944 18321472 20435488 21492496 22445072 26653523 27624704 27964352 29410784 32804336 33207668 34840832 34925306 36642944 38955149 40870976 42984992 44890144 53307046 55928704 58821568 65608672 66415336 69850612 73285888 77910298 81741952 85969984 89780288 106614092 111857408 117643136 131217344 132830672 139701224 155820596 163483904 171939968 179560576 213228184 235286272 262434688 265661344 279402448 311641192 343879936 359121152 426456368 506416937 524869376 531322688 558804896 623282384 852912736 1012833874 1062645376 1117609792 1246564768 1705825472 2025667748 2125290752 2235219584 2493129536 3411650944 4051335496 4470439168 4986259072 6823301888 8102670992 9972518144 16205341984 32410683968 64821367936 129642735872
- Sum of all divisors σ(n): 309336742260
- Sum of proper divisors (its aliquot sum) s(n): 179694006388
- 129642735872 is an abundant number, because the sum of its proper divisors (179694006388) is greater than itself. Its abundance is 50051270516
Bases of 129642735872
- Binary: 11110001011110100111100101001000000002
- Hexadecimal: 0x1E2F4F2900
- Base-36: 1NK1XR7K
Squares and roots of 129642735872
- 129642735872 squared (1296427358722) is 16807238964377155600384
- 129642735872 cubed (1296427358723) is 2178936441796334400491228493774848
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The
square root of 129642735872 is 360059.3504854445 -
The
cube root of 129642735872 is 5061.1521780635
Scales and comparisons
How big is 129642735872?- 129,642,735,872 seconds is equal to 4,122 years, 12 weeks, 2 days, 15 hours, 4 minutes, 32 seconds.
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To count from 1 to 129,642,735,872 would take you about eight thousand, two hundred forty-four 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 129642735872 cubic inches would be around 421.8 feet tall.
Recreational maths with 129642735872
- 129642735872 backwards is 278537246921
- The number of decimal digits it has is: 12
- The sum of 129642735872's digits is 56
- More coming soon!
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