51998981 is an odd 8-digits composite number following 51998980
and preceding 51998982 . In scientific notation, it is written as 5.1998981 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 51979200 positive integers (up to 51998981) that are relatively prime to 51998981.
51998981 has 4 divisors, whose sum is 52018764
The reverse of 51998981 is 18989915
Previous prime number is 3121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
fifty-one million nine hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
5.1998981 × 10^7
Engineering notation
5.1998981 × 10^6
Prime Factorization
3121 × 16661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51998981
Product of the distinct prime numbers
The prime factorization of 51998981 is 3121 × 16661.
Since it has a total of 2 prime factors.
7 , 9 , 18 , 30 , 561 , 123 , 2142 , 7319 , 69352 , 47146 , 945439 , 978389 , 6788010 , 8711817 , 50173359 , 33332200 , 700920121 , 723565358 , 663149805 , 3222169081
n×2
103997962
n×3
155996943
n×4
207995924
n×5
259994905
n÷2
25999490.5
n÷3
17332993.666667
n÷3
12999745.25
n÷5
10399796.2
n2
2703894025038361
n3
1.4059973403398E+23
n4
7.3110428986381E+30
n5
3.8016678077647E+38
2 √n
7211.0318956443
3 √n
373.24867757037
4 √n
84.917794929239
5 √n
34.930030641351
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
-51998980
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 51998981 can be divided by 4 positive divisors.
The sum of these divisors (counting 51998981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000110010111000100000101
3
Ternary
10121211211012012
4
Quaternary
3012113010011
5
Quinary
101302431411
6
Senary
5054304005
8
Octal
306270405
10
Decimal
51998981
12
Duodecimal
154b8005
16
Hexadecimal
3197105
20
Vigesimal
g4jh91
36
Base36
uyio5
md5
a3e974a4aa1e2ad237491ca95cbdfc0a
sha1
916539867664f543adaa29093b2762abfb4eaecd
sha256
37b9c8e0ccd75c47ab8f68532b1ee9d2f1bc8914d220e59dcf6a619f283a380e
sha512
f1eebff96c78237d8c85d5b616bd4b11f3fbcd61800255caf5b0b725d8b1878027f0154b62e7c72910e5e730d12bbe7a7bb7e289ef9e153e23d1a6dca2f62ed3
ripemd-160
54066e37a8076f332f241eb2bcfb0c9844a7c090
Diameter
103997962
Circumference
326719233.40751
Area
8.4945336051459E+15
Volume
5.8894278871712E+23
Surface area
3.3978134420583E+16
Circumference
326719233.40751
Perimeter
207995924
Area
2703894025038361
Diagonal
73537664.159781
Surface area
16223364150230166
Volume
1.4059973403398E+23
Space diagonal
90064877.033809
Perimeter
155996943
Area
1.1708204574121E+15
Altitude
45032438.516904
Surface area
1.1708204574121E+15
Volume
1.6569837561409E+22
Height
24512554.719927