61639904 is an even 8-digits composite number following 61639903
and preceding 61639905 . In scientific notation, it is written as 6.1639904 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 29825280 positive integers (up to 61639904) that are relatively prime to 61639904.
61639904 has 24 divisors, whose sum is 125270208
The reverse of 61639904 is 40993616
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-one million six hundred thirty-nine thousand nine hundred four
Scientific notation
6.1639904 × 10^7
Engineering notation
6.1639904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 31 × 62137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
3852494
Product of the distinct prime numbers
The prime factorization of 61639904 is 2 × 2 × 2 × 2 × 2 × 31 × 62137.
Since it has a total of 7 prime factors.
10 , 7 , 11 , 65 , 399 , 890 , 4876 , 7938 , 57904 , 72550 , 900560 , 367916 , 8928160 , 643243 , 8145101 , 38542990 , 449055812 , 347463018 , 6699308876 , 9539164496
n×2
123279808
n×3
184919712
n×4
246559616
n×5
308199520
n÷2
30819952
n÷3
20546634.666667
n÷3
15409976
n÷5
12327980.8
n2
3799477765129216
n3
2.341994446927E+23
n4
1.4436031287711E+31
n5
8.8983558271552E+38
2 √n
7851.1084567722
3 √n
395.0214248914
4 √n
88.606480895994
5 √n
36.138688757356
1 , 2 , 4 , 8 , 16 , 31 , 32 , 62 , 124 , 248 , 496 , 992 , 62137 , 124274 , 248548 , 497096 , 994192 , 1926247 , 1988384 , 3852494 , 7704988 , 15409976 , 30819952 , 61639904
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
-61639903
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 61639904 can be divided by 24 positive divisors.
The sum of these divisors (counting 61639904) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101011001000110011100000
3
Ternary
11021222122001102
4
Quaternary
3223020303200
5
Quinary
111234434104
6
Senary
10041053532
8
Octal
353106340
10
Decimal
61639904
12
Duodecimal
187872a8
16
Hexadecimal
3ac8ce0
20
Vigesimal
j54jf4
36
Base36
10p5nk
md5
e18e1e162697f89b6a65cb1173a06354
sha1
22f943eda75b8f4b1011ffd8d47aaa1ab54e4940
sha256
8a6d2f76732e26c0d8a8916366fdd06f64c87fc502caa856508058a8b1d6c2ba
sha512
8541b8f5879626f5c3fe8e1aafd5b9a70e56e56f86cde66c24cc63b48fa71b347e7d64be2b44ef0d472012459e17d8eb9e224203281dc0ae51f0d5e54d9b0c8f
ripemd-160
93032c147976f19b9b430acdbdbde2d8c0e7bf12
Diameter
123279808
Circumference
387294939.14876
Area
1.1936411434408E+16
Volume
9.8101233989519E+23
Surface area
4.7745645737631E+16
Circumference
387294939.14876
Perimeter
246559616
Area
3799477765129216
Diagonal
87171988.220176
Surface area
22796866590775296
Volume
2.341994446927E+23
Space diagonal
106763445.50167
Perimeter
184919712
Area
1.645222132858E+15
Altitude
53381722.750834
Surface area
1.645222132858E+15
Volume
2.7600669248722E+22
Height
29057329.406725