61391838 is an even 8-digits composite number following 61391837
and preceding 61391839 . In scientific notation, it is written as 6.1391838 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 20463944 positive integers (up to 61391838) that are relatively prime to 61391838.
61391838 has 8 divisors, whose sum is 122783688
The reverse of 61391838 is 83819316
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-one million three hundred ninety-one thousand eight hundred thirty-eight
Scientific notation
6.1391838 × 10^7
Engineering notation
6.1391838 × 10^6
Prime Factorization
2 × 3 × 10231973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61391838
Product of the distinct prime numbers
The prime factorization of 61391838 is 2 × 3 × 10231973.
Since it has a total of 3 prime factors.
4 , 8 , 9 , 100 , 331 , 539 , 3132 , 4113 , 92885 , 5173 , 552634 , 473017 , 8144008 , 4777130 , 10767180 , 13270367 , 711421022 , 699288720 , 4135962854 , 3969839111
n×2
122783676
n×3
184175514
n×4
245567352
n×5
306959190
n÷2
30695919
n÷3
20463946
n÷3
15347959.5
n÷5
12278367.6
n2
3768957773018244
n3
2.3138324502998E+23
n4
1.4205042694795E+31
n5
8.7207367990192E+38
2 √n
7835.2943786433
3 √n
394.49079929258
4 √n
88.517198208277
5 √n
36.109554233744
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
-61391837
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 61391838 can be divided by 8 positive divisors.
The sum of these divisors (counting 61391838) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101010001100001111011110
3
Ternary
11021112000202210
4
Quaternary
3222030033132
5
Quinary
111204014323
6
Senary
10031501250
8
Octal
352141736
10
Decimal
61391838
12
Duodecimal
18687826
16
Hexadecimal
3a8c3de
20
Vigesimal
j3djbi
36
Base36
10ju8u
md5
ea42ec667cd0dd6ff5ee43f2a2568f12
sha1
28e9878f3bf756b3c29325f6e5fc4984ab398d3e
sha256
59d864c334755c9d6911abd6baf405a3557465dbfc26dd41afd8f7ce2d172eab
sha512
8ed0049b4dd866fcd8ba9377d12aa920fc11cc6e7814907343c356d0c6f59624be1a175b6f9569ea2ae2cc8465f74bbededb88ffce131841c99831be04ba18aa
ripemd-160
5b5a5c09f063012bc19ca09884c0b6e3a5abbfbe
Diameter
122783676
Circumference
385736294.50235
Area
1.1840530051404E+16
Volume
9.6921587033326E+23
Surface area
4.7362120205617E+16
Circumference
385736294.50235
Perimeter
245567352
Area
3768957773018244
Diagonal
86821169.918612
Surface area
22613746638109464
Volume
2.3138324502998E+23
Space diagonal
106333782.58604
Perimeter
184175514
Area
1.6320065886123E+15
Altitude
53166891.293019
Surface area
1.6320065886123E+15
Volume
2.7268776935608E+22
Height
28940389.972871