61981708 is an even 8-digits composite number following 61981707
and preceding 61981709 . In scientific notation, it is written as 6.1981708 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 30939552 positive integers (up to 61981708) that are relatively prime to 61981708.
61981708 has 12 divisors, whose sum is 108647560
The reverse of 61981708 is 80718916
Previous prime number is 619
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-one million nine hundred eighty-one thousand seven hundred eight
Scientific notation
6.1981708 × 10^7
Engineering notation
6.1981708 × 10^6
Prime Factorization
2 × 2 × 619 × 25033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30990854
Product of the distinct prime numbers
The prime factorization of 61981708 is 2 × 2 × 619 × 25033.
Since it has a total of 4 prime factors.
8 , 3 , 37 , 25 , 670 , 803 , 3066 , 5826 , 34676 , 4377 , 590969 , 248156 , 2344548 , 5927167 , 60498030 , 45827195 , 344488762 , 532708153 , 6841272284 , 4973316150
n×2
123963416
n×3
185945124
n×4
247926832
n×5
309908540
n÷2
30990854
n÷3
20660569.333333
n÷3
15495427
n÷5
12396341.6
n2
3841732126597264
n3
2.3811711888497E+23
n4
1.475890573253E+31
n5
9.1478218551317E+38
2 √n
7872.8462451645
3 √n
395.75023361622
4 √n
88.729060882917
5 √n
36.178679218106
1 , 2 , 4 , 619 , 1238 , 2476 , 25033 , 50066 , 100132 , 15495427 , 30990854 , 61981708
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61981707
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61981708 can be divided by 12 positive divisors.
The sum of these divisors (counting 61981708) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11101100011100010000001100
3
Ternary
11022121222220211
4
Quaternary
3230130100030
5
Quinary
111331403313
6
Senary
10052252204
8
Octal
354342014
10
Decimal
61981708
12
Duodecimal
18911064
16
Hexadecimal
3b1c40c
20
Vigesimal
j77e58
36
Base36
10whe4
md5
134526b997842d907bcca2107ae7f2e6
sha1
23ea4d92e8b372d600b2b3b819680b4260e0725e
sha256
e18f4d3705d611981929fef353920c8c83b427580ed5cdee9841a24d2987a175
sha512
cd5e237e9cc570a3ffea2b9646429877c3f361aa129f96656d2f77aed5bc131d29dc9ff2d2f23300cbbf024397d0e84cad8fdd61daddf9b4919c31b9d2fd5910
ripemd-160
734179067922f3dfeba974ed156c94ca02f113b6
Diameter
123963416
Circumference
389442557.0195
Area
1.2069157425978E+16
Volume
9.9742265517732E+23
Surface area
4.8276629703911E+16
Circumference
389442557.0195
Perimeter
247926832
Area
3841732126597264
Diagonal
87655372.072649
Surface area
23050392759583584
Volume
2.3811711888497E+23
Space diagonal
107355467.3959
Perimeter
185945124
Area
1.663518808084E+15
Altitude
53677733.697949
Surface area
1.663518808084E+15
Volume
2.8062371580028E+22
Height
29218457.35755