51387939 is an odd 8-digits composite number following 51387938
and preceding 51387940 . In scientific notation, it is written as 5.1387939 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 34257168 positive integers (up to 51387939) that are relatively prime to 51387939.
51387939 has 8 divisors, whose sum is 57335120
The reverse of 51387939 is 93978315
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifty-one million three hundred eighty-seven thousand nine hundred thirty-nine
Scientific notation
5.1387939 × 10^7
Engineering notation
5.1387939 × 10^6
Prime Factorization
243 × 9 × 23497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51387939
Product of the distinct prime numbers
The prime factorization of 51387939 is 243 × 9 × 23497.
Since it has a total of 3 prime factors.
5 , 5 , 28 , 88 , 791 , 801 , 346 , 9553 , 97860 , 15695 , 721242 , 760985 , 7722825 , 3119580 , 53315384 , 14806567 , 557189700 , 7055661 , 5139436594 , 3316671376
n×2
102775878
n×3
154163817
n×4
205551756
n×5
256939695
n÷2
25693969.5
n÷3
17129313
n÷3
12846984.75
n÷5
10277587.8
n2
2640720274667721
n3
1.3570117239069E+23
n4
6.9734035690412E+30
n5
3.5834883722827E+38
2 √n
7168.5381354918
3 √n
371.78089334484
4 √n
84.667219958445
5 √n
34.847549204536
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51387938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51387939 can be divided by 8 positive divisors.
The sum of these divisors (counting 51387939) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000100000001111000100011
3
Ternary
10120200210000000
4
Quaternary
3010001320203
5
Quinary
101123403224
6
Senary
5033231043
8
Octal
304017043
10
Decimal
51387939
12
Duodecimal
15262483
16
Hexadecimal
3101e23
20
Vigesimal
g139gj
36
Base36
ulf6r
md5
d8c4efdbc336bcb1c71d9069ee06c7d3
sha1
4214683ced75023a7f15f51cd47452591a7f270c
sha256
c78266bb863cf69d94033a616f294beb5a019a583315954c793ebbd2f016d63d
sha512
a9a55d9d2b2166f321603d96b1cfa88c5fab54f775dcb2ce97ff15661511b7ea4bc0d509c8c3d71549697a8f3d79ec0526946dc444650d94104835e8ba409e37
ripemd-160
a0aec99f2f731dedd11a826a734be16d3decf03e
Diameter
102775878
Circumference
322879943.29104
Area
8.2960674150817E+15
Volume
5.6842374168814E+23
Surface area
3.3184269660327E+16
Circumference
322879943.29104
Perimeter
205551756
Area
2640720274667721
Diagonal
72673520.276201
Surface area
15844321648006326
Volume
1.3570117239069E+23
Space diagonal
89006521.24425
Perimeter
154163817
Area
1.1434654210754E+15
Altitude
44503260.622125
Surface area
1.1434654210754E+15
Volume
1.5992536535403E+22
Height
24224506.758734