421684128
421,684,128 is an even composite number composed of four prime numbers multiplied together.
421684128 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 421684128:
25 × 32 × 292 × 1741
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 29 × 1741)See below for interesting mathematical facts about the number 421684128 from the Numbermatics database.
Names of 421684128
- Cardinal: 421684128 can be written as Four hundred twenty-one million, six hundred eighty-four thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 4.21684128 × 108
Factors of 421684128
Divisors of 421684128
- Number of divisors d(n): 108
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 87 96 116 144 174 232 261 288 348 464 522 696 841 928 1044 1392 1682 1741 2088 2523 2784 3364 3482 4176 5046 5223 6728 6964 7569 8352 10092 10446 13456 13928 15138 15669 20184 20892 26912 27856 30276 31338 40368 41784 50489 55712 60552 62676 80736 83568 100978 121104 125352 151467 167136 201956 242208 250704 302934 403912 454401 501408 605868 807824 908802 1211736 1464181 1615648 1817604 2423472 2928362 3635208 4392543 4846944 5856724 7270416 8785086 11713448 13177629 14540832 17570172 23426896 26355258 35140344 46853792 52710516 70280688 105421032 140561376 210842064 421684128
- Sum of all divisors σ(n): 1242653958
- Sum of proper divisors (its aliquot sum) s(n): 820969830
- 421684128 is an abundant number, because the sum of its proper divisors (820969830) is greater than itself. Its abundance is 399285702
Bases of 421684128
- Binary: 110010010001001100011101000002
- Hexadecimal: 0x192263A0
- Base-36: 6Z25K0
Squares and roots of 421684128
- 421684128 squared (4216841282) is 177817503807120384
- 421684128 cubed (4216841283) is 74982819036042239318065152
-
The
square root of 421684128 is 20534.9489407693 -
The
cube root of 421684128 is 749.8868736041
Scales and comparisons
How big is 421684128?- 421,684,128 seconds is equal to 13 years, 21 weeks, 1 day, 14 hours, 28 minutes, 48 seconds.
-
To count from 1 to 421,684,128 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 421684128 cubic inches would be around 62.5 feet tall.
Recreational maths with 421684128
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