51397986 is an even 8-digits composite number following 51397985
and preceding 51397987 . In scientific notation, it is written as 5.1397986 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 16498944 positive integers (up to 51397986) that are relatively prime to 51397986.
51397986 has 32 divisors, whose sum is 106666560
The reverse of 51397986 is 68979315
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
fifty-one million three hundred ninety-seven thousand nine hundred eighty-six
Scientific notation
5.1397986 × 10^7
Engineering notation
5.1397986 × 10^6
Prime Factorization
2 × 3 × 43 × 73 × 2729
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
51397986
Product of the distinct prime numbers
The prime factorization of 51397986 is 2 × 3 × 43 × 73 × 2729.
Since it has a total of 5 prime factors.
6 , 8 , 21 , 21 , 885 , 178 , 5561 , 6426 , 21326 , 10409 , 344176 , 835370 , 6976382 , 1676624 , 40751722 , 27802994 , 248757960 , 213679051 , 4498914880 , 4374727648
n×2
102795972
n×3
154193958
n×4
205591944
n×5
256989930
n÷2
25698993
n÷3
17132662
n÷3
12849496.5
n÷5
10279597.2
n2
2641752964856196
n3
1.3578078190314E+23
n4
6.9788587273265E+30
n5
3.5869928316311E+38
2 √n
7169.2388717353
3 √n
371.80512107416
4 √n
84.671358036442
5 √n
34.84891172639
1 , 2 , 3 , 6 , 43 , 73 , 86 , 129 , 146 , 219 , 258 , 438 , 2729 , 3139 , 5458 , 6278 , 8187 , 9417 , 16374 , 18834 , 117347 , 199217 , 234694 , 352041 , 398434 , 597651 , 704082 , 1195302 , 8566331 , 17132662 , 25698993 , 51397986
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51397985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51397986 can be divided by 32 positive divisors.
The sum of these divisors (counting 51397986) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11000100000100010101100010
3
Ternary
10120201021210010
4
Quaternary
3010010111202
5
Quinary
101124213421
6
Senary
5033345350
8
Octal
304042542
10
Decimal
51397986
12
Duodecimal
15268256
16
Hexadecimal
3104562
20
Vigesimal
g14ej6
36
Base36
ulmxu
md5
537d85b61f877a69c7589263c94b5ef8
sha1
7a6078bd2bad9e739b494055599883e7357b04f5
sha256
17e65e0b3940128944f7cfaf7191128dbdded219bccad4135d2d812914944da1
sha512
0c8226f06db9a4479a39464850d6a844ee02a79a7bcb85ef9018de68abce949749df7654708d785fd6621b3c643c94dce5c9e5e69ba9c5030a6f665640bf7ee0
ripemd-160
5d6559467780989135b347bc254d1dda36d71d8e
Diameter
102795972
Circumference
322943070.45382
Area
8.2993117069913E+15
Volume
5.687572092341E+23
Surface area
3.3197246827965E+16
Circumference
322943070.45382
Perimeter
205591944
Area
2641752964856196
Diagonal
72687728.879862
Surface area
15850517789137176
Volume
1.3578078190314E+23
Space diagonal
89023923.158714
Perimeter
154193958
Area
1.1439125890442E+15
Altitude
44511961.579357
Surface area
1.1439125890442E+15
Volume
1.600191860642E+22
Height
24229242.959954