61391839 is an odd 8-digits composite number following 61391838
and preceding 61391840 . In scientific notation, it is written as 6.1391839 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 61147000 positive integers (up to 61391839) that are relatively prime to 61391839.
61391839 has 4 divisors, whose sum is 61636680
The reverse of 61391839 is 93819316
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-one million three hundred ninety-one thousand eight hundred thirty-nine
Scientific notation
6.1391839 × 10^7
Engineering notation
6.1391839 × 10^6
Prime Factorization
251 × 244589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61391839
Product of the distinct prime numbers
The prime factorization of 61391839 is 251 × 244589.
Since it has a total of 2 prime factors.
4 , 2 , 48 , 56 , 230 , 812 , 6763 , 3737 , 26705 , 31235 , 656087 , 213646 , 9792794 , 954211 , 76197148 , 1122207 , 129538120 , 931310687 , 7832611650 , 2262306984
n×2
122783678
n×3
184175517
n×4
245567356
n×5
306959195
n÷2
30695919.5
n÷3
20463946.333333
n÷3
15347959.75
n÷5
12278367.8
n2
3768957895801921
n3
2.3138325633685E+23
n4
1.4205043620328E+31
n5
8.7207375092713E+38
2 √n
7835.2944424572
3 √n
394.49080143451
4 √n
88.517198568737
5 √n
36.10955435138
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
-61391838
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 61391839 can be divided by 4 positive divisors.
The sum of these divisors (counting 61391839) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101010001100001111011111
3
Ternary
11021112000202211
4
Quaternary
3222030033133
5
Quinary
111204014324
6
Senary
10031501251
8
Octal
352141737
10
Decimal
61391839
12
Duodecimal
18687827
16
Hexadecimal
3a8c3df
20
Vigesimal
j3djbj
36
Base36
10ju8v
md5
9436595642fd54cb5e94663afa4d2a3b
sha1
d0052a1b009eae7da72d85099ee9d1e00feb9760
sha256
afec2886859e5a5b1e6c4a0f20fe8d7bf38d8dbc1cfc4ad4c85ff91aeabbd72e
sha512
8de8b161bda3bc795ba78b5d9136e973e85ae803c8bb0cd9945afe424c505e7baa35543400d452938bfcad49cc9a94bf125125487ecc60387a8e5bdb9c24dcc0
ripemd-160
9d777204c046f5038ef81302671328581340bdd0
Diameter
122783678
Circumference
385736300.78553
Area
1.1840530437141E+16
Volume
9.6921591769538E+23
Surface area
4.7362121748562E+16
Circumference
385736300.78553
Perimeter
245567356
Area
3768957895801921
Diagonal
86821171.332826
Surface area
22613747374811526
Volume
2.3138325633685E+23
Space diagonal
106333784.31809
Perimeter
184175517
Area
1.6320066417792E+15
Altitude
53166892.159044
Surface area
1.6320066417792E+15
Volume
2.7268778268135E+22
Height
28940390.444275