20992906 is an even 8-digits composite number following 20992905
and preceding 20992907 . In scientific notation, it is written as 2.0992906 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 9385200 positive integers (up to 20992906) that are relatively prime to 20992906.
20992906 has 16 divisors, whose sum is 34917408
The reverse of 20992906 is 60929902
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred ninety-two thousand nine hundred six
Scientific notation
2.0992906 × 10^7
Engineering notation
2.0992906 × 10^6
Prime Factorization
2 × 11 × 61 × 15643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20992906
Product of the distinct prime numbers
The prime factorization of 20992906 is 2 × 11 × 61 × 15643.
Since it has a total of 4 prime factors.
9 , 10 , 46 , 22 , 741 , 139 , 4688 , 4927 , 51992 , 10094 , 136235 , 899243 , 46329 , 9016953 , 20452144 , 92083135 , 336774054 , 179864792 , 4757266667 , 9231755090
n×2
41985812
n×3
62978718
n×4
83971624
n×5
104964530
n÷2
10496453
n÷3
6997635.3333333
n÷3
5248226.5
n÷5
4198581.2
n2
440702102324836
n3
9.2516178081077E+21
n4
1.9421834299353E+29
n5
4.0772074179389E+36
2 √n
4581.8016107204
3 √n
275.86134777721
4 √n
67.689006572119
5 √n
29.134965772911
1 , 2 , 11 , 22 , 61 , 122 , 671 , 1342 , 15643 , 31286 , 172073 , 344146 , 954223 , 1908446 , 10496453 , 20992906
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
-20992905
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 20992906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20992906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000101001110001010
3
Ternary
1110111112212001
4
Quaternary
1100011032022
5
Quinary
20333233111
6
Senary
2025541214
8
Octal
120051612
10
Decimal
20992906
12
Duodecimal
704480a
16
Hexadecimal
140538a
20
Vigesimal
6b4256
36
Base36
chy8a
md5
b4245f6d76853458a4062b96c0825f15
sha1
d981f5c66b1a7d4018fbb7a6f20214cb27b0f3ed
sha256
f6951218bf5dee481c59c57e6a6ba4dfa8896c7ceac0c5d502ff2b8dbfed01d9
sha512
e6a85845ee11f506641d91079eeb44a4ca7c1f8442d2bbcd1af4dd3b382f11e426d3aa62f38d1ecd43d4762e7bbd800a9fd7e8e9cac7fe46214e35b59a0bee25
ripemd-160
a6f394fe2d91cb44325be825315ed96d6cad8c32
Diameter
41985812
Circumference
131902318.5342
Area
1.3845064870853E+15
Volume
3.8753086053029E+22
Surface area
5.5380259483411E+15
Circumference
131902318.5342
Perimeter
83971624
Area
440702102324836
Diagonal
29688452.378824
Surface area
2644212613949016
Volume
9.2516178081077E+21
Space diagonal
36360779.790518
Perimeter
62978718
Area
1.9082960805726E+14
Altitude
18180389.895259
Surface area
1.9082960805726E+14
Volume
1.0903136148432E+21
Height
9896150.7929412