20397961 is an odd 8-digits prime number following 20397960
and preceding 20397962 . In scientific notation, it is written as 2.0397961 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20397960 positive integers (up to 20397961) that are relatively prime to 20397961.
20397961 has 2 divisors, whose sum is 20397962
The reverse of 20397961 is 16979302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million three hundred ninety-seven thousand nine hundred sixty-one
Scientific notation
2.0397961 × 10^7
Engineering notation
2.0397961 × 10^6
Prime Factorization
20397961
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20397961
Product of the distinct prime numbers
The prime factorization of 20397961 is 20397961.
Since it has a total of 1 prime factors.
3 , 5 , 100 , 96 , 846 , 900 , 4339 , 7894 , 49053 , 57386 , 940541 , 244950 , 8755263 , 1911835 , 55305512 , 13172073 , 355478679 , 874635528 , 4139652055 , 9777378419
n×2
40795922
n×3
61193883
n×4
81591844
n×5
101989805
n÷2
10198980.5
n÷3
6799320.3333333
n÷3
5099490.25
n÷5
4079592.2
n2
416076812957521
n3
8.4871186037118E+21
n4
1.7311991428089E+29
n5
3.5312932598249E+36
2 √n
4516.41018952
3 √n
273.23033778944
4 √n
67.204242347637
5 √n
28.967922600631
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20397962
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10198981
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.4103002274
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999901951
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20397961 can be divided by 2 positive divisors.
The sum of these divisors (counting 20397961) is 20397962, the average is 10198981.
Base
System
Value
2
Binary
1001101110011111110001001
3
Ternary
1102101022202001
4
Quaternary
1031303332021
5
Quinary
20210213321
6
Senary
2005111001
8
Octal
115637611
10
Decimal
20397961
12
Duodecimal
69b8461
16
Hexadecimal
1373f89
20
Vigesimal
679ei1
36
Base36
c5761
md5
46b30ac2990b693061cf8fbb308d774f
sha1
21c816a115a30428b7f6eb2604178ea9daafd86e
sha256
ff34842ad317d844e4ad0dc3e7ea0cd356daef9c0d17bcc7c5dbf185ecc300d5
sha512
1809194814843e243eaf94a43649bc1718d3c1e37d11632898c8a1190c6e459f59334217f18e289c45e66c7bc229937d30fbceb7edb577a5f20f9e7aedde2657
ripemd-160
e21cb04538fd8641179f8274157511853c28da78
Diameter
40795922
Circumference
128164168.85162
Area
1.3071438589164E+15
Volume
3.5550759274088E+22
Surface area
5.2285754356656E+15
Circumference
128164168.85162
Perimeter
81591844
Area
416076812957521
Diagonal
28847073.090957
Surface area
2496460877745126
Volume
8.4871186037118E+21
Space diagonal
35330304.822808
Perimeter
61193883
Area
1.8016654497344E+14
Altitude
17665152.411404
Surface area
1.8016654497344E+14
Volume
1.0002165195699E+21
Height
9615691.0303192