128421632160
128,421,632,160 is an even composite number composed of five prime numbers multiplied together.
128421632160 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 128421632160:
25 × 32 × 5 × 3732 × 641
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 373 × 373 × 641)See below for interesting mathematical facts about the number 128421632160 from the Numbermatics database.
Names of 128421632160
- Cardinal: 128421632160 can be written as One hundred twenty-eight billion, four hundred twenty-one million, six hundred thirty-two thousand, one hundred sixty.
Scientific notation
- Scientific notation: 1.2842163216 × 1011
Factors of 128421632160
Divisors of 128421632160
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 373 480 641 720 746 1119 1282 1440 1492 1865 1923 2238 2564 2984 3205 3357 3730 3846 4476 5128 5595 5769 5968 6410 6714 7460 7692 8952 9615 10256 11190 11538 11936 12820 13428 14920 15384 16785 17904 19230 20512 22380 23076 25640 26856 28845 29840 30768 33570 35808 38460 44760 46152 51280 53712 57690 59680 61536 67140 76920 89520 92304 102560 107424 115380 134280 139129 153840 179040 184608 230760 239093 268560 278258 307680 417387 461520 478186 537120 556516 695645 717279 834774 923040 956372 1113032 1195465 1252161 1391290 1434558 1669548 1912744 2086935 2151837 2226064 2390930 2504322 2782580 2869116 3339096 3586395 3825488 4173870 4303674 4452128 4781860 5008644 5565160 5738232 6260805 6678192 7172790 7650976 8347740 8607348 9563720 10017288 10759185 11130320 11476464 12521610 13356384 14345580 16695480 17214696 19127440 20034576 21518370 22260640 22952928 25043220 28691160 33390960 34429392 38254880 40069152 43036740 50086440 57382320 66781920 68858784 86073480 89181689 100172880 114764640 172146960 178363378 200345760 267545067 344293920 356726756 445908445 535090134 713453512 802635201 891816890 1070180268 1337725335 1426907024 1605270402 1783633780 2140360536 2675450670 2853814048 3210540804 3567267560 4013176005 4280721072 5350901340 6421081608 7134535120 8026352010 8561442144 10701802680 12842163216 14269070240 16052704020 21403605360 25684326432 32105408040 42807210720 64210816080 128421632160
- Sum of all divisors σ(n): 440102390364
- Sum of proper divisors (its aliquot sum) s(n): 311680758204
- 128421632160 is an abundant number, because the sum of its proper divisors (311680758204) is greater than itself. Its abundance is 183259126044
Bases of 128421632160
- Binary: 11101111001101000011010011000101000002
- Hexadecimal: 0x1DE68698A0
- Base-36: 1MZUX9K0
Squares and roots of 128421632160
- 128421632160 squared (1284216321602) is 16492115606638346265600
- 128421632160 cubed (1284216321603) is 2117944403975904958271592861696000
-
The
square root of 128421632160 is 358359.6408079459 -
The
cube root of 128421632160 is 5045.2117101569
Scales and comparisons
How big is 128421632160?- 128,421,632,160 seconds is equal to 4,083 years, 21 weeks, 2 days, 11 hours, 36 minutes.
-
To count from 1 to 128,421,632,160 would take you about eight thousand, one hundred sixty-six 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 128421632160 cubic inches would be around 420.4 feet tall.
Recreational maths with 128421632160
- 128421632160 backwards is 061236124821
- 128421632160 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 128421632160's digits is 36
- More coming soon!
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