20921272 is an even 8-digits composite number following 20921271
and preceding 20921273 . In scientific notation, it is written as 2.0921272 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 10367616 positive integers (up to 20921272) that are relatively prime to 20921272.
20921272 has 16 divisors, whose sum is 39576240
The reverse of 20921272 is 27212902
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million nine hundred twenty-one thousand two hundred seventy-two
Scientific notation
2.0921272 × 10^7
Engineering notation
2.0921272 × 10^6
Prime Factorization
2 × 2 × 2 × 113 × 23143
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5230318
Product of the distinct prime numbers
The prime factorization of 20921272 is 2 × 2 × 2 × 113 × 23143.
Since it has a total of 5 prime factors.
3 , 8 , 40 , 15 , 645 , 395 , 1969 , 9499 , 17795 , 92716 , 477598 , 371429 , 8901110 , 291121 , 97330135 , 30304653 , 626225820 , 969824784 , 2965525925 , 7802703841
n×2
41842544
n×3
62763816
n×4
83685088
n×5
104606360
n÷2
10460636
n÷3
6973757.3333333
n÷3
5230318
n÷5
4184254.4
n2
437699622097984
n3
9.1572328482091E+21
n4
1.9158095918472E+29
n5
4.0081173571244E+36
2 √n
4573.9776999894
3 √n
275.54721671879
4 √n
67.631188811002
5 √n
29.11505515508
1 , 2 , 4 , 8 , 113 , 226 , 452 , 904 , 23143 , 46286 , 92572 , 185144 , 2615159 , 5230318 , 10460636 , 20921272
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921271
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921272 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921272) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011101110111000
3
Ternary
1110100220120221
4
Quaternary
1033303232320
5
Quinary
20323440042
6
Senary
2024225424
8
Octal
117635670
10
Decimal
20921272
12
Duodecimal
700b274
16
Hexadecimal
13f3bb8
20
Vigesimal
6af33c
36
Base36
cgeyg
md5
338b9a21bedd252c26b44d462112da6d
sha1
e803bd83946c87594a40cc8c8141081e6f684f66
sha256
e3d1ba960d7992f771660f8c69189299ac7850c4b7944d7c20c0aeacd6724ad6
sha512
9bc779c5cff7785687cd4e0e5c30b70501d06288eb4d5ccda839f06369e30ff0c0d61b1f35063879884994162fd89de6d8ebd21aa2d7b1f72d67401dcc913236
ripemd-160
3db93c581c31abc0994f3701adc28ff880cf7968
Diameter
41842544
Circumference
131452228.83791
Area
1.3750739172621E+15
Volume
3.8357727257527E+22
Surface area
5.5002956690482E+15
Circumference
131452228.83791
Perimeter
83685088
Area
437699622097984
Diagonal
29587146.604496
Surface area
2626197732587904
Volume
9.1572328482091E+21
Space diagonal
36236706.062968
Perimeter
62763816
Area
1.8952949598185E+14
Altitude
18118353.031484
Surface area
1.8952949598185E+14
Volume
1.0791902406455E+21
Height
9862382.2014988