20408961 is an odd 8-digits composite number following 20408960
and preceding 20408962 . In scientific notation, it is written as 2.0408961 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13289472 positive integers (up to 20408961) that are relatively prime to 20408961.
20408961 has 8 divisors, whose sum is 27844960
The reverse of 20408961 is 16980402
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred eight thousand nine hundred sixty-one
Scientific notation
2.0408961 × 10^7
Engineering notation
2.0408961 × 10^6
Prime Factorization
3 × 43 × 158209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20408961
Product of the distinct prime numbers
The prime factorization of 20408961 is 3 × 43 × 158209.
Since it has a total of 3 prime factors.
5 , 4 , 76 , 12 , 714 , 460 , 7538 , 7128 , 57949 , 19066 , 563548 , 988588 , 4787161 , 1203156 , 16926832 , 23612300 , 119799116 , 836577523 , 4024817017 , 8427498272
n×2
40817922
n×3
61226883
n×4
81635844
n×5
102044805
n÷2
10204480.5
n÷3
6802987
n÷3
5102240.25
n÷5
4081792.2
n2
416525689099521
n3
8.5008565443302E+21
n4
1.7349364967983E+29
n5
3.5408251300633E+36
2 √n
4517.6278067145
3 √n
273.27944390047
4 √n
67.213300816985
5 √n
28.971046230843
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
-20408960
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 20408961 can be divided by 8 positive divisors.
The sum of these divisors (counting 20408961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110101010000001
3
Ternary
1102101212211110
4
Quaternary
1031312222001
5
Quinary
20211041321
6
Senary
2005233533
8
Octal
115665201
10
Decimal
20408961
12
Duodecimal
6a028a9
16
Hexadecimal
1376a81
20
Vigesimal
67b281
36
Base36
c5fnl
md5
1735e469a217196aaf6f2a766c0a355b
sha1
96280a6a7207223d4335ec9ec95917b93e394444
sha256
94355c665c75e30f9b924ecb04d300eb0435bc3d5be4cfd104353d2dc27b65af
sha512
c854153d48d368b4030796be40d391c675eb7ce50728555172c59ae8fc3236050960bb2aa67cfe161a4366a3057ad9d87a3d57e8146d1471c96e70d3503226cc
ripemd-160
96bdd3c4ead6bbd9de82cf81c091406e71e325e3
Diameter
40817922
Circumference
128233283.89
Area
1.3085540449065E+15
Volume
3.5608304625185E+22
Surface area
5.2342161796259E+15
Circumference
128233283.89
Perimeter
81635844
Area
416525689099521
Diagonal
28862629.440144
Surface area
2499154134597126
Volume
8.5008565443302E+21
Space diagonal
35349357.381692
Perimeter
61226883
Area
1.803609140445E+14
Altitude
17674678.690846
Surface area
1.803609140445E+14
Volume
1.0018355513983E+21
Height
9620876.4800479