20921528 is an even 8-digits composite number following 20921527
and preceding 20921529 . In scientific notation, it is written as 2.0921528 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 9770880 positive integers (up to 20921528) that are relatively prime to 20921528.
20921528 has 32 divisors, whose sum is 41904000
The reverse of 20921528 is 82512902
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred twenty-one thousand five hundred twenty-eight
Scientific notation
2.0921528 × 10^7
Engineering notation
2.0921528 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 29 × 2909
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5230382
Product of the distinct prime numbers
The prime factorization of 20921528 is 2 × 2 × 2 × 31 × 29 × 2909.
Since it has a total of 6 prime factors.
6 , 4 , 31 , 63 , 129 , 730 , 9651 , 8728 , 93894 , 86037 , 61824 , 950870 , 6489742 , 9238478 , 87459811 , 33739989 , 219860217 , 875723006 , 6313400302 , 1505814325
n×2
41843056
n×3
62764584
n×4
83686112
n×5
104607640
n÷2
10460764
n÷3
6973842.6666667
n÷3
5230382
n÷5
4184305.6
n2
437710333854784
n3
9.1575690056322E+21
n4
1.9159033636327E+29
n5
4.0083625867535E+36
2 √n
4574.005684299
3 √n
275.54834061157
4 √n
67.631395699771
5 √n
29.11512640713
1 , 2 , 4 , 8 , 29 , 31 , 58 , 62 , 116 , 124 , 232 , 248 , 899 , 1798 , 2909 , 3596 , 5818 , 7192 , 11636 , 23272 , 84361 , 90179 , 168722 , 180358 , 337444 , 360716 , 674888 , 721432 , 2615191 , 5230382 , 10460764 , 20921528
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921527
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921528 can be divided by 32 positive divisors.
The sum of these divisors (counting 20921528) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111110011110010111000
3
Ternary
1110100220221102
4
Quaternary
1033303302320
5
Quinary
20323442103
6
Senary
2024230532
8
Octal
117636270
10
Decimal
20921528
12
Duodecimal
700b448
16
Hexadecimal
13f3cb8
20
Vigesimal
6af3g8
36
Base36
cgf5k
md5
0a02ba476f62855cb41af5e43b0ec35a
sha1
5a61af4e8335979ed215907a1fe46da627f26bce
sha256
e44440cd352f2ab66b9da0fa1d14d9e0c6f960b3c88ed8a0fd5ebe135105d158
sha512
6fcdf511896d46966fd152bed4e752a0941e84a1d0ec1a5a3810c31650293c486cf02b6fed1bbff758b50ef1226f757aafeca408c8d49c281b67e33f979e9179
ripemd-160
ba84a133764e6bf072bcf3d53270dbca6ad842bf
Diameter
41843056
Circumference
131453837.33335
Area
1.3751075692385E+15
Volume
3.8359135350448E+22
Surface area
5.5004302769541E+15
Circumference
131453837.33335
Perimeter
83686112
Area
437710333854784
Diagonal
29587508.643168
Surface area
2626262003128704
Volume
9.1575690056322E+21
Space diagonal
36237149.467975
Perimeter
62764584
Area
1.8953413430861E+14
Altitude
18118574.733987
Surface area
1.8953413430861E+14
Volume
1.0792298571777E+21
Height
9862502.8810562