128938672128
128,938,672,128 is an even composite number composed of four prime numbers multiplied together.
128938672128 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 128938672128:
219 × 3 × 73 × 239
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 239)See below for interesting mathematical facts about the number 128938672128 from the Numbermatics database.
Names of 128938672128
- Cardinal: 128938672128 can be written as One hundred twenty-eight billion, nine hundred thirty-eight million, six hundred seventy-two thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.28938672128 × 1011
Factors of 128938672128
Divisors of 128938672128
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 239 256 294 336 343 384 392 448 478 512 588 672 686 717 768 784 896 956 1024 1029 1176 1344 1372 1434 1536 1568 1673 1792 1912 2048 2058 2352 2688 2744 2868 3072 3136 3346 3584 3824 4096 4116 4704 5019 5376 5488 5736 6144 6272 6692 7168 7648 8192 8232 9408 10038 10752 10976 11472 11711 12288 12544 13384 14336 15296 16384 16464 18816 20076 21504 21952 22944 23422 24576 25088 26768 28672 30592 32768 32928 35133 37632 40152 43008 43904 45888 46844 49152 50176 53536 57344 61184 65536 65856 70266 75264 80304 81977 86016 87808 91776 93688 98304 100352 107072 114688 122368 131072 131712 140532 150528 160608 163954 172032 175616 183552 187376 196608 200704 214144 229376 244736 245931 262144 263424 281064 301056 321216 327908 344064 351232 367104 374752 393216 401408 428288 458752 489472 491862 524288 526848 562128 602112 642432 655816 688128 702464 734208 749504 786432 802816 856576 917504 978944 983724 1053696 1124256 1204224 1284864 1311632 1376256 1404928 1468416 1499008 1572864 1605632 1713152 1835008 1957888 1967448 2107392 2248512 2408448 2569728 2623264 2752512 2809856 2936832 2998016 3211264 3426304 3670016 3915776 3934896 4214784 4497024 4816896 5139456 5246528 5505024 5619712 5873664 5996032 6422528 6852608 7831552 7869792 8429568 8994048 9633792 10278912 10493056 11010048 11239424 11747328 11992064 12845056 13705216 15663104 15739584 16859136 17988096 19267584 20557824 20986112 22478848 23494656 23984128 25690112 27410432 31326208 31479168 33718272 35976192 38535168 41115648 41972224 44957696 46989312 47968256 54820864 62652416 62958336 67436544 71952384 77070336 82231296 83944448 89915392 93978624 95936512 109641728 125304832 125916672 134873088 143904768 164462592 167888896 179830784 187957248 191873024 219283456 251833344 269746176 287809536 328925184 335777792 375914496 383746048 438566912 503666688 539492352 575619072 657850368 671555584 767492096 877133824 1007333376 1151238144 1315700736 1343111168 1534984192 2014666752 2302476288 2631401472 2686222336 3069968384 4029333504 4604952576 5372444672 6139936768 8058667008 9209905152 10744889344 16117334016 18419810304 21489778688 32234668032 42979557376 64469336064 128938672128
- Sum of all divisors σ(n): 402652800000
- Sum of proper divisors (its aliquot sum) s(n): 273714127872
- 128938672128 is an abundant number, because the sum of its proper divisors (273714127872) is greater than itself. Its abundance is 144775455744
Bases of 128938672128
- Binary: 11110000001010101100000000000000000002
- Hexadecimal: 0x1E05580000
- Base-36: 1N8ER85C
Squares and roots of 128938672128
- 128938672128 squared (1289386721282) is 16625181170131884048384
- 128938672128 cubed (1289386721283) is 2143628783964234383833497864241152
-
The
square root of 128938672128 is 359080.3143142213 -
The
cube root of 128938672128 is 5051.9735073703
Scales and comparisons
How big is 128938672128?- 128,938,672,128 seconds is equal to 4,099 years, 44 weeks, 1 day, 17 hours, 48 minutes, 48 seconds.
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To count from 1 to 128,938,672,128 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 128938672128 cubic inches would be around 421 feet tall.
Recreational maths with 128938672128
- 128938672128 backwards is 821276839821
- The number of decimal digits it has is: 12
- The sum of 128938672128's digits is 57
- More coming soon!
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