61391806 is an even 8-digits composite number following 61391805
and preceding 61391807 . In scientific notation, it is written as 6.1391806 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 25598160 positive integers (up to 61391806) that are relatively prime to 61391806.
61391806 has 24 divisors, whose sum is 110024136
The reverse of 61391806 is 60819316
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-one million three hundred ninety-one thousand eight hundred six
Scientific notation
6.1391806 × 10^7
Engineering notation
6.1391806 × 10^6
Prime Factorization
2 × 7 × 7 × 37 × 16931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
8770258
Product of the distinct prime numbers
The prime factorization of 61391806 is 2 × 7 × 7 × 37 × 16931.
Since it has a total of 5 prime factors.
6 , 7 , 40 , 90 , 66 , 754 , 8722 , 6539 , 75727 , 18614 , 844428 , 569544 , 14065 , 4877266 , 63806673 , 10889641 , 565573165 , 971512110 , 9315188308 , 8229393632
n×2
122783612
n×3
184175418
n×4
245567224
n×5
306959030
n÷2
30695903
n÷3
20463935.333333
n÷3
15347951.5
n÷5
12278361.2
n2
3768953843941636
n3
2.3138288321022E+23
n4
1.4205013077762E+31
n5
8.7207140709745E+38
2 √n
7835.2923366011
3 √n
394.49073075086
4 √n
88.517186673556
5 √n
36.109550469381
1 , 2 , 7 , 14 , 37 , 49 , 74 , 98 , 259 , 518 , 1813 , 3626 , 16931 , 33862 , 118517 , 237034 , 626447 , 829619 , 1252894 , 1659238 , 4385129 , 8770258 , 30695903 , 61391806
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61391805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61391806 can be divided by 24 positive divisors.
The sum of these divisors (counting 61391806) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101010001100001110111110
3
Ternary
11021112000201121
4
Quaternary
3222030032332
5
Quinary
111204014211
6
Senary
10031501154
8
Octal
352141676
10
Decimal
61391806
12
Duodecimal
186877ba
16
Hexadecimal
3a8c3be
20
Vigesimal
j3dja6
36
Base36
10ju7y
md5
88b50befc3b6332f93a391f0afab4f78
sha1
19a1838cb25063a7e3365fc3286af259d5ba0b9c
sha256
e31f108702c697c9a51e011aa91c8db4f2d96b4b6b1167fc8de4383707ca2f26
sha512
43a4f66725f9c074cf815a4bc9d3db1167745259e77f80deb4096b7c9ba6783e6d72a412a9c5dd7e7ad8b6f4e9086c30181c198d65de30be9df1850598984133
ripemd-160
ac7d4179d91fc275369b6af8c9ab4f9349243d8e
Diameter
122783612
Circumference
385736093.44042
Area
1.1840517707846E+16
Volume
9.692143547462E+23
Surface area
4.7362070831384E+16
Circumference
385736093.44042
Perimeter
245567224
Area
3768953843941636
Diagonal
86821124.663778
Surface area
22613723063649816
Volume
2.3138288321022E+23
Space diagonal
106333727.16041
Perimeter
184175418
Area
1.6320048872722E+15
Altitude
53166863.580206
Surface area
1.6320048872722E+15
Volume
2.726873429474E+22
Height
28940374.887926