1221403968
1,221,403,968 is an even composite number composed of four prime numbers multiplied together.
1221403968 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 1221403968:
26 × 33 × 31 × 1512
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 31 × 151 × 151)See below for interesting mathematical facts about the number 1221403968 from the Numbermatics database.
Names of 1221403968
- Cardinal: 1221403968 can be written as One billion, two hundred twenty-one million, four hundred three thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.221403968 × 109
Factors of 1221403968
Divisors of 1221403968
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 108 124 144 151 186 192 216 248 279 288 302 372 432 453 496 558 576 604 744 837 864 906 992 1116 1208 1359 1488 1674 1728 1812 1984 2232 2416 2718 2976 3348 3624 4077 4464 4681 4832 5436 5952 6696 7248 8154 8928 9362 9664 10872 13392 14043 14496 16308 17856 18724 21744 22801 26784 28086 28992 32616 37448 42129 43488 45602 53568 56172 65232 68403 74896 84258 86976 91204 112344 126387 130464 136806 149792 168516 182408 205209 224688 252774 260928 273612 299584 337032 364816 410418 449376 505548 547224 615627 674064 706831 729632 820836 898752 1011096 1094448 1231254 1348128 1413662 1459264 1641672 2022192 2120493 2188896 2462508 2696256 2827324 3283344 4044384 4240986 4377792 4925016 5654648 6361479 6566688 8088768 8481972 9850032 11309296 12722958 13133376 16963944 19084437 19700064 22618592 25445916 33927888 38168874 39400128 45237184 50891832 67855776 76337748 101783664 135711552 152675496 203567328 305350992 407134656 610701984 1221403968
- Sum of all divisors σ(n): 3731239680
- Sum of proper divisors (its aliquot sum) s(n): 2509835712
- 1221403968 is an abundant number, because the sum of its proper divisors (2509835712) is greater than itself. Its abundance is 1288431744
Bases of 1221403968
- Binary: 10010001100110100100101010000002
- Hexadecimal: 0x48CD2540
- Base-36: K76XC0
Squares and roots of 1221403968
- 1221403968 squared (12214039682) is 1491827653046145024
- 1221403968 cubed (12214039683) is 1822124215002688819417055232
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The
square root of 1221403968 is 34948.5903578385 -
The
cube root of 1221403968 is 1068.9394586869
Scales and comparisons
How big is 1221403968?- 1,221,403,968 seconds is equal to 38 years, 43 weeks, 3 days, 14 hours, 52 minutes, 48 seconds.
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To count from 1 to 1,221,403,968 would take you about seventy-seven 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 1221403968 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221403968
- 1221403968 backwards is 8693041221
- 1221403968 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1221403968's digits is 36
- More coming soon!
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The information we have on file for 1221403968 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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