420689664
420,689,664 is an even composite number composed of four prime numbers multiplied together.
420689664 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 420689664:
28 × 32 × 157 × 1163
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 157 × 1163)See below for interesting mathematical facts about the number 420689664 from the Numbermatics database.
Names of 420689664
- Cardinal: 420689664 can be written as Four hundred twenty million, six hundred eighty-nine thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 4.20689664 × 108
Factors of 420689664
Divisors of 420689664
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 157 192 256 288 314 384 471 576 628 768 942 1152 1163 1256 1413 1884 2304 2326 2512 2826 3489 3768 4652 5024 5652 6978 7536 9304 10048 10467 11304 13956 15072 18608 20096 20934 22608 27912 30144 37216 40192 41868 45216 55824 60288 74432 83736 90432 111648 120576 148864 167472 180864 182591 223296 297728 334944 361728 365182 446592 547773 669888 730364 893184 1095546 1339776 1460728 1643319 2191092 2679552 2921456 3286638 4382184 5842912 6573276 8764368 11685824 13146552 17528736 23371648 26293104 35057472 46743296 52586208 70114944 105172416 140229888 210344832 420689664
- Sum of all divisors σ(n): 1221727416
- Sum of proper divisors (its aliquot sum) s(n): 801037752
- 420689664 is an abundant number, because the sum of its proper divisors (801037752) is greater than itself. Its abundance is 380348088
Bases of 420689664
- Binary: 110010001001100110111000000002
- Hexadecimal: 0x19133700
- Base-36: 6YGU80
Squares and roots of 420689664
- 420689664 squared (4206896642) is 176979793396432896
- 420689664 cubed (4206896643) is 74453569818734773816786944
-
The
square root of 420689664 is 20510.7207089365 -
The
cube root of 420689664 is 749.2969197769
Scales and comparisons
How big is 420689664?- 420,689,664 seconds is equal to 13 years, 19 weeks, 4 days, 2 hours, 14 minutes, 24 seconds.
-
To count from 1 to 420,689,664 would take you about twenty 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 420689664 cubic inches would be around 62.4 feet tall.
Recreational maths with 420689664
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