20081961 is an odd 8-digits composite number following 20081960
and preceding 20081962 . In scientific notation, it is written as 2.0081961 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13387968 positive integers (up to 20081961) that are relatively prime to 20081961.
20081961 has 4 divisors, whose sum is 22313300
The reverse of 20081961 is 16918002
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eighty-one thousand nine hundred sixty-one
Scientific notation
2.0081961 × 10^7
Engineering notation
2.0081961 × 10^6
Prime Factorization
9 × 2231329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20081961
Product of the distinct prime numbers
The prime factorization of 20081961 is 9 × 2231329.
Since it has a total of 2 prime factors.
2 , 5 , 71 , 93 , 684 , 959 , 7328 , 3710 , 18891 , 51858 , 940694 , 950344 , 7469843 , 983101 , 78933150 , 29554457 , 14144920 , 9476603 , 3960752195 , 137444813
n×2
40163922
n×3
60245883
n×4
80327844
n×5
100409805
n÷2
10040980.5
n÷3
6693987
n÷3
5020490.25
n÷5
4016392.2
n2
403285157605521
n3
8.0987568069129E+21
n4
1.6263891834491E+29
n5
3.2661084152847E+36
2 √n
4481.2901044231
3 √n
271.81205026923
4 √n
66.942438739734
5 √n
28.877608472633
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081961 can be divided by 4 positive divisors.
The sum of these divisors (counting 20081961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110110100101001
3
Ternary
1101210021021100
4
Quaternary
1030212310221
5
Quinary
20120110321
6
Senary
1554232013
8
Octal
114466451
10
Decimal
20081961
12
Duodecimal
6885609
16
Hexadecimal
1326d29
20
Vigesimal
65a4i1
36
Base36
byfc9
md5
c0245c2cc14d75a9e7dc2950699e45d0
sha1
37ad115a6a87808797b04adcdb1a2f69d9c7bcce
sha256
49ce2294429da22255e7eedbc488139090c2ed3def4211af8b021d2c510dffe9
sha512
2ca688147f7323c8373e23ee116762a6e692535e6825c25887075cc15d0d9b5130fe7170e6f76f534f20ca7b5a78ec80ed99f66c5d1a6698e17ad89e7b82b990
ripemd-160
6b1990fc589b02fd8d6bac5ef8fc0fe1613e560c
Diameter
40163922
Circumference
126178682.29455
Area
1.2669576884353E+15
Volume
3.3923993183744E+22
Surface area
5.0678307537412E+15
Circumference
126178682.29455
Perimeter
80327844
Area
403285157605521
Diagonal
28400181.605248
Surface area
2419710945633126
Volume
8.0987568069129E+21
Space diagonal
34782976.767617
Perimeter
60245883
Area
1.746275957278E+14
Altitude
17391488.383808
Surface area
1.746275957278E+14
Volume
9.5444764289147E+20
Height
9466727.2017492