20307921 is an odd 8-digits composite number following 20307920
and preceding 20307922 . In scientific notation, it is written as 2.0307921 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13439520 positive integers (up to 20307921) that are relatively prime to 20307921.
20307921 has 8 divisors, whose sum is 27275424
The reverse of 20307921 is 12970302
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million three hundred seven thousand nine hundred twenty-one
Scientific notation
2.0307921 × 10^7
Engineering notation
2.0307921 × 10^6
Prime Factorization
3 × 137 × 49411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20307921
Product of the distinct prime numbers
The prime factorization of 20307921 is 3 × 137 × 49411.
Since it has a total of 3 prime factors.
7 , 3 , 53 , 96 , 236 , 480 , 7895 , 3827 , 58471 , 60807 , 70882 , 574321 , 6125344 , 4522401 , 94798826 , 26075674 , 675540615 , 184276031 , 4952231132 , 4836603747
n×2
40615842
n×3
60923763
n×4
81231684
n×5
101539605
n÷2
10153960.5
n÷3
6769307
n÷3
5076980.25
n÷5
4061584.2
n2
412411655342241
n3
8.3752233161695E+21
n4
1.7008337346213E+29
n5
3.4540397116824E+36
2 √n
4506.4310712581
3 √n
272.82771670955
4 √n
67.129956586148
5 √n
28.94230347797
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20307920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20307921 can be divided by 8 positive divisors.
The sum of these divisors (counting 20307921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101011101111111010001
3
Ternary
1102012202020020
4
Quaternary
1031131333101
5
Quinary
20144323141
6
Senary
2003134053
8
Octal
115357721
10
Decimal
20307921
12
Duodecimal
6974329
16
Hexadecimal
135dfd1
20
Vigesimal
66i9g1
36
Base36
c39ox
md5
c91de351152d7b70b48016ae484cea9c
sha1
64e0d2b60a7643c95356ae157bb95dd4e263db2b
sha256
e6870265e3fecc02db6b0d4fa574105dede0c5f39d099f161eb0da7483d10b10
sha512
3e0b961e7d973897e2b26fe3a33b18cd3849cad0e7d627e0355a5026016584c354fadde44af17b91635b50909f1cda3e95273ff5247bcba7adbfe04aeef1e358
ripemd-160
c2e727fac761c0c8ba240cce3b4e819def3d1fa8
Diameter
40615842
Circumference
127598430.84656
Area
1.295629426678E+15
Volume
3.5082053389669E+22
Surface area
5.182517706712E+15
Circumference
127598430.84656
Perimeter
81231684
Area
412411655342241
Diagonal
28719737.301801
Surface area
2474469932053446
Volume
8.3752233161695E+21
Space diagonal
35174350.968095
Perimeter
60923763
Area
1.7857948517159E+14
Altitude
17587175.484047
Surface area
1.7857948517159E+14
Volume
9.8702953346918E+20
Height
9573245.7672671