21252912 is an even 8-digits composite number following 21252911
and preceding 21252913 . In scientific notation, it is written as 2.1252912 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 7084288 positive integers (up to 21252912) that are relatively prime to 21252912.
21252912 has 20 divisors, whose sum is 54903480
The reverse of 21252912 is 21925212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred fifty-two thousand nine hundred twelve
Scientific notation
2.1252912 × 10^7
Engineering notation
2.1252912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 442769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2656614
Product of the distinct prime numbers
The prime factorization of 21252912 is 2 × 2 × 2 × 2 × 3 × 442769.
Since it has a total of 6 prime factors.
5 , 8 , 86 , 32 , 662 , 585 , 1168 , 5610 , 27603 , 66079 , 304685 , 37580 , 2289822 , 4972394 , 52797200 , 61479719 , 851860589 , 332088798 , 8416675652 , 1712015071
n×2
42505824
n×3
63758736
n×4
85011648
n×5
106264560
n÷2
10626456
n÷3
7084304
n÷3
5313228
n÷5
4250582.4
n2
451686268479744
n3
9.5996485156084E+21
n4
2.0402048513316E+29
n5
4.3360294167323E+36
2 √n
4610.0880685731
3 √n
276.99556440481
4 √n
67.897629329551
5 √n
29.206780635112
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 442769 , 885538 , 1328307 , 1771076 , 2656614 , 3542152 , 5313228 , 7084304 , 10626456 , 21252912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21252911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21252912 can be divided by 20 positive divisors.
The sum of these divisors (counting 21252912) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001000100101100110000
3
Ternary
1110222202111220
4
Quaternary
1101010230300
5
Quinary
20420043122
6
Senary
2035305040
8
Octal
121045460
10
Decimal
21252912
12
Duodecimal
714b180
16
Hexadecimal
1444b30
20
Vigesimal
6cgc5c
36
Base36
cniuo
md5
73bcf6d64d8475647f6a7a8c55fa843e
sha1
70f5338c642710bf54f2a476a0ffa160f44671ce
sha256
7605b0518e4b65fa44332125a8312af6c4e77f8841cb99f5906f2dfb4505676e
sha512
ae5f9d24eebbea0ce55c811d749d5c96bcbaf5296b930c0eb2d3c2fdabaf8326a69598d7c72766183f0a2bc2d850a734ffce082e3d3bff90cd1085e4a7ff972e
ripemd-160
f55d3185c56301d9d708b8f0ff9d827ed8eb1d10
Diameter
42505824
Circumference
133535984.41318
Area
1.4190142627834E+15
Volume
4.0210913671573E+22
Surface area
5.6760570511334E+15
Circumference
133535984.41318
Perimeter
85011648
Area
451686268479744
Diagonal
30056156.390322
Surface area
2710117610878464
Volume
9.5996485156084E+21
Space diagonal
36811123.39279
Perimeter
63758736
Area
1.9558589152203E+14
Altitude
18405561.696395
Surface area
1.9558589152203E+14
Volume
1.1313294270657E+21
Height
10018718.796774