61397961 is an odd 8-digits composite number following 61397960
and preceding 61397962 . In scientific notation, it is written as 6.1397961 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 40931972 positive integers (up to 61397961) that are relatively prime to 61397961.
61397961 has 4 divisors, whose sum is 81863952
The reverse of 61397961 is 16979316
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-one million three hundred ninety-seven thousand nine hundred sixty-one
Scientific notation
6.1397961 × 10^7
Engineering notation
6.1397961 × 10^6
Prime Factorization
3 × 20465987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61397961
Product of the distinct prime numbers
The prime factorization of 61397961 is 3 × 20465987.
Since it has a total of 2 prime factors.
6 , 9 , 11 , 28 , 73 , 57 , 737 , 6534 , 58032 , 52159 , 293915 , 601035 , 7588064 , 9851302 , 92745892 , 22427795 , 102244195 , 139344787 , 7206898887 , 1334119880
n×2
122795922
n×3
184193883
n×4
245591844
n×5
306989805
n÷2
30698980.5
n÷3
20465987
n÷3
15349490.25
n÷5
12279592.2
n2
3769709614957521
n3
2.3145248392049E+23
n4
1.4210710581103E+31
n5
8.7250865404086E+38
2 √n
7835.6851008702
3 √n
394.50391388536
4 √n
88.519405222077
5 √n
36.110274492292
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
-61397960
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 61397961 can be divided by 4 positive divisors.
The sum of these divisors (counting 61397961) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101010001101101111001001
3
Ternary
11021112100011120
4
Quaternary
3222031233021
5
Quinary
111204213321
6
Senary
10031545453
8
Octal
352155711
10
Decimal
61397961
12
Duodecimal
1868b289
16
Hexadecimal
3a8dbc9
20
Vigesimal
j3eei1
36
Base36
10jyyx
md5
d891f48055312b876654b9b62b11df0f
sha1
34c583bdb1679dc2ef111854c143508e5fc91687
sha256
61ac03895172c34d692827936c9840f8d79ff6587d48b8e4c25b979f5547bb2e
sha512
74af9f991b93d01863a5dc954a42e3d357de5d1398f74436b84eb1056a4858800af08770435cebde653df8da541cdc11a135a422a27c997ead0662ab9e116e8b
ripemd-160
2ec13ee9d35f5c2f2ec4d89d00699f04e39895a8
Diameter
122795922
Circumference
385774766.44599
Area
1.1842892032517E+16
Volume
9.6950589751962E+23
Surface area
4.7371568130069E+16
Circumference
385774766.44599
Perimeter
245591844
Area
3769709614957521
Diagonal
86829829.148254
Surface area
22618257689745126
Volume
2.3145248392049E+23
Space diagonal
106344387.93313
Perimeter
184193883
Area
1.6323321457218E+15
Altitude
53172193.966566
Surface area
1.6323321457218E+15
Volume
2.7276936817108E+22
Height
28943276.382751