1428841728
1,428,841,728 is an even composite number composed of four prime numbers multiplied together.
1428841728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 1428841728:
28 × 33 × 372 × 151
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 37 × 37 × 151)See below for interesting mathematical facts about the number 1428841728 from the Numbermatics database.
Names of 1428841728
- Cardinal: 1428841728 can be written as One billion, four hundred twenty-eight million, eight hundred forty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.428841728 × 109
Factors of 1428841728
Divisors of 1428841728
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 96 108 111 128 144 148 151 192 216 222 256 288 296 302 333 384 432 444 453 576 592 604 666 768 864 888 906 999 1152 1184 1208 1332 1359 1369 1728 1776 1812 1998 2304 2368 2416 2664 2718 2738 3456 3552 3624 3996 4077 4107 4736 4832 5328 5436 5476 5587 6912 7104 7248 7992 8154 8214 9472 9664 10656 10872 10952 11174 12321 14208 14496 15984 16308 16428 16761 19328 21312 21744 21904 22348 24642 28416 28992 31968 32616 32856 33522 36963 38656 42624 43488 43808 44696 49284 50283 57984 63936 65232 65712 67044 73926 85248 86976 87616 89392 98568 100566 115968 127872 130464 131424 134088 147852 150849 173952 175232 178784 197136 201132 206719 255744 260928 262848 268176 295704 301698 347904 350464 357568 394272 402264 413438 521856 525696 536352 591408 603396 620157 715136 788544 804528 826876 1043712 1051392 1072704 1182816 1206792 1240314 1430272 1577088 1609056 1653752 1860471 2145408 2365632 2413584 2480628 3154176 3218112 3307504 3720942 4290816 4731264 4827168 4961256 5581413 6436224 6615008 7441884 9462528 9654336 9922512 11162826 12872448 13230016 14883768 19308672 19845024 22325652 26460032 29767536 38617344 39690048 44651304 52920064 59535072 79380096 89302608 119070144 158760192 178605216 238140288 357210432 476280576 714420864 1428841728
- Sum of all divisors σ(n): 4371380160
- Sum of proper divisors (its aliquot sum) s(n): 2942538432
- 1428841728 is an abundant number, because the sum of its proper divisors (2942538432) is greater than itself. Its abundance is 1513696704
Bases of 1428841728
- Binary: 10101010010101001100101000000002
- Hexadecimal: 0x552A6500
- Base-36: NMP1C0
Squares and roots of 1428841728
- 1428841728 squared (14288417282) is 2041588683674025984
- 1428841728 cubed (14288417283) is 2917107102646040675695460352
-
The
square root of 1428841728 is 37800.0228571359 -
The
cube root of 1428841728 is 1126.3189082677
Scales and comparisons
How big is 1428841728?- 1,428,841,728 seconds is equal to 45 years, 22 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
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To count from 1 to 1,428,841,728 would take you about ninety 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 1428841728 cubic inches would be around 93.9 feet tall.
Recreational maths with 1428841728
- 1428841728 backwards is 8271488241
- The number of decimal digits it has is: 10
- The sum of 1428841728's digits is 45
- More coming soon!
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