21356512 is an even 8-digits composite number following 21356511
and preceding 21356513 . In scientific notation, it is written as 2.1356512 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 10213632 positive integers (up to 21356512) that are relatively prime to 21356512.
21356512 has 24 divisors, whose sum is 43875216
The reverse of 21356512 is 21565312
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million three hundred fifty-six thousand five hundred twelve
Scientific notation
2.1356512 × 10^7
Engineering notation
2.1356512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 23 × 29017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1334782
Product of the distinct prime numbers
The prime factorization of 21356512 is 2 × 2 × 2 × 2 × 2 × 23 × 29017.
Since it has a total of 7 prime factors.
7 , 5 , 31 , 8 , 191 , 788 , 4542 , 8827 , 47519 , 20355 , 533819 , 663073 , 1040412 , 5118188 , 80979144 , 11111323 , 218538450 , 432737099 , 2518060556 , 1709405789
n×2
42713024
n×3
64069536
n×4
85426048
n×5
106782560
n÷2
10678256
n÷3
7118837.3333333
n÷3
5339128
n÷5
4271302.4
n2
456100604806144
n3
9.7407180397497E+21
n4
2.0802776170453E+29
n5
4.4427473891759E+36
2 √n
4621.3106366052
3 √n
277.444918321
4 √n
67.980222393025
5 √n
29.235199703235
1 , 2 , 4 , 8 , 16 , 23 , 32 , 46 , 92 , 184 , 368 , 736 , 29017 , 58034 , 116068 , 232136 , 464272 , 667391 , 928544 , 1334782 , 2669564 , 5339128 , 10678256 , 21356512
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356512 can be divided by 24 positive divisors.
The sum of these divisors (counting 21356512) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001011101111111100000
3
Ternary
1111012000121221
4
Quaternary
1101131333200
5
Quinary
20431402022
6
Senary
2041424424
8
Octal
121357740
10
Decimal
21356512
12
Duodecimal
719b114
16
Hexadecimal
145dfe0
20
Vigesimal
6d9b5c
36
Base36
cpqsg
md5
34039291e6a1338512c5ea48653f95c4
sha1
a4ae022ae409e1a4e7bec791a91ab222d6073cd1
sha256
bf59eee7bdaa9523e509fe8e4431582b7f8d9bf3d43c4040c8666265b61860d8
sha512
19f30e6808cee287e36d084ddc228be0aacc81f063c31e35205a078d811e88dc313e5e9e07d1684d8038c704f41a71d5e3e20a5d80a2345e2eb62ca7d0158488
ripemd-160
113ef63b42646d7273a607a40db4b6063d910410
Diameter
42713024
Circumference
134186922.411
Area
1.4328823093568E+15
Volume
4.080182431249E+22
Surface area
5.7315292374274E+15
Circumference
134186922.411
Perimeter
85426048
Area
456100604806144
Diagonal
30202668.915384
Surface area
2736603628836864
Volume
9.7407180397497E+21
Space diagonal
36990563.856454
Perimeter
64069536
Area
1.9749735522178E+14
Altitude
18495281.928227
Surface area
1.9749735522178E+14
Volume
1.1479546299222E+21
Height
10067556.305128