128720424960
128,720,424,960 is an even composite number composed of five prime numbers multiplied together.
128720424960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twelve divisors.
Prime factorization of 128720424960:
212 × 32 × 5 × 41 × 17033
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 41 × 17033)See below for interesting mathematical facts about the number 128720424960 from the Numbermatics database.
Names of 128720424960
- Cardinal: 128720424960 can be written as One hundred twenty-eight billion, seven hundred twenty million, four hundred twenty-four thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 1.2872042496 × 1011
Factors of 128720424960
Divisors of 128720424960
- Number of divisors d(n): 312
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 128 144 160 164 180 192 205 240 246 256 288 320 328 360 369 384 410 480 492 512 576 615 640 656 720 738 768 820 960 984 1024 1152 1230 1280 1312 1440 1476 1536 1640 1845 1920 1968 2048 2304 2460 2560 2624 2880 2952 3072 3280 3690 3840 3936 4096 4608 4920 5120 5248 5760 5904 6144 6560 7380 7680 7872 9216 9840 10240 10496 11520 11808 12288 13120 14760 15360 15744 17033 18432 19680 20480 20992 23040 23616 26240 29520 30720 31488 34066 36864 39360 41984 46080 47232 51099 52480 59040 61440 62976 68132 78720 83968 85165 92160 94464 102198 104960 118080 125952 136264 153297 157440 167936 170330 184320 188928 204396 209920 236160 251904 255495 272528 306594 314880 340660 377856 408792 419840 472320 503808 510990 545056 613188 629760 681320 698353 755712 766485 817584 839680 944640 1021980 1090112 1226376 1259520 1362640 1396706 1511424 1532970 1635168 1889280 2043960 2095059 2180224 2452752 2519040 2725280 2793412 3065940 3270336 3491765 3778560 4087920 4190118 4360448 4905504 5450560 5586824 6131880 6285177 6540672 6983530 7557120 8175840 8380236 8720896 9811008 10475295 10901120 11173648 12263760 12570354 13081344 13967060 16351680 16760472 17441792 19622016 20950590 21802240 22347296 24527520 25140708 26162688 27934120 31425885 32703360 33520944 34883584 39244032 41901180 43604480 44694592 49055040 50281416 52325376 55868240 62851770 65406720 67041888 69767168 78488064 83802360 87208960 89389184 98110080 100562832 104650752 111736480 125703540 130813440 134083776 156976128 167604720 174417920 178778368 196220160 201125664 209301504 223472960 251407080 261626880 268167552 313952256 335209440 348835840 357556736 392440320 402251328 446945920 502814160 523253760 536335104 627904512 670418880 715113472 784880640 804502656 893891840 1005628320 1046507520 1072670208 1340837760 1430226944 1569761280 1609005312 1787783680 2011256640 2145340416 2681675520 2860453888 3139522560 3218010624 3575567360 4022513280 4290680832 5363351040 6436021248 7151134720 8045026560 8581361664 10726702080 12872042496 14302269440 16090053120 21453404160 25744084992 32180106240 42906808320 64360212480 128720424960
- Sum of all divisors σ(n): 457085518344
- Sum of proper divisors (its aliquot sum) s(n): 328365093384
- 128720424960 is an abundant number, because the sum of its proper divisors (328365093384) is greater than itself. Its abundance is 199644668424
Bases of 128720424960
- Binary: 11101111110000101010111010000000000002
- Hexadecimal: 0x1DF855D000
- Base-36: 1N4STFK0
Squares and roots of 128720424960
- 128720424960 squared (1287204249602) is 16568947801882991001600
- 128720424960 cubed (1287204249603) is 2132762002198436489921808039936000
-
The
square root of 128720424960 is 358776.2881796953 -
The
cube root of 128720424960 is 5049.1215014021
Scales and comparisons
How big is 128720424960?- 128,720,424,960 seconds is equal to 4,092 years, 47 weeks, 2 days, 17 hours, 36 minutes.
-
To count from 1 to 128,720,424,960 would take you about eight thousand, one hundred eighty-five 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 128720424960 cubic inches would be around 420.8 feet tall.
Recreational maths with 128720424960
- 128720424960 backwards is 069424027821
- 128720424960 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 128720424960's digits is 45
- More coming soon!
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