61981851 is an odd 8-digits composite number following 61981850
and preceding 61981852 . In scientific notation, it is written as 6.1981851 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 41321232 positive integers (up to 61981851) that are relatively prime to 61981851.
61981851 has 4 divisors, whose sum is 82642472
The reverse of 61981851 is 15818916
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-one million nine hundred eighty-one thousand eight hundred fifty-one
Scientific notation
6.1981851 × 10^7
Engineering notation
6.1981851 × 10^6
Prime Factorization
3 × 20660617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61981851
Product of the distinct prime numbers
The prime factorization of 61981851 is 3 × 20660617.
Since it has a total of 2 prime factors.
1 , 6 , 26 , 59 , 621 , 862 , 6999 , 8666 , 28796 , 77483 , 551374 , 833876 , 351817 , 4165752 , 35160313 , 48639625 , 531538391 , 306642454 , 3822107047 , 4560606163
n×2
123963702
n×3
185945553
n×4
247927404
n×5
309909255
n÷2
30990925.5
n÷3
20660617
n÷3
15495462.75
n÷5
12396370.2
n2
3841749853386201
n3
2.3811876699186E+23
n4
1.4759041935993E+31
n5
9.1479273817946E+38
2 √n
7872.8553270081
3 √n
395.75053796537
4 √n
88.729112060293
5 √n
36.178695911891
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
-61981850
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 61981851 can be divided by 4 positive divisors.
The sum of these divisors (counting 61981851) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101100011100010010011011
3
Ternary
11022122000010010
4
Quaternary
3230130102123
5
Quinary
111331404401
6
Senary
10052253003
8
Octal
354342233
10
Decimal
61981851
12
Duodecimal
18911163
16
Hexadecimal
3b1c49b
20
Vigesimal
j77ecb
36
Base36
10whi3
md5
a19718945e5a14e7c59cc27b82de16f7
sha1
10cad3a4b97f9ca25fb28d0a685d32d7df7ef84b
sha256
4eab4f7d55f4ad6344e3df3413680d77dd7879ce243390c7140fdc01952e3278
sha512
c1b3bbf02c57c2721e88ed95057f2f18de06ead4d37f9a37f503562731c3e64837619da3bc4895e771270dd4477b30bb5816ebbe4f683c169f9806cdd4e1044d
ripemd-160
39c28126e59679c1081d7d8fbff47f9b599a2e33
Diameter
123963702
Circumference
389443455.51499
Area
1.2069213116328E+16
Volume
9.974295587513E+23
Surface area
4.8276852465311E+16
Circumference
389443455.51499
Perimeter
247927404
Area
3841749853386201
Diagonal
87655574.305188
Surface area
23050499120317206
Volume
2.3811876699186E+23
Space diagonal
107355715.07916
Perimeter
185945553
Area
1.6635264840088E+15
Altitude
53677857.539582
Surface area
1.6635264840088E+15
Volume
2.8062565811287E+22
Height
29218524.768396