51387949 is an odd 8-digits prime number following 51387948
and preceding 51387950 . In scientific notation, it is written as 5.1387949 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 51387948 positive integers (up to 51387949) that are relatively prime to 51387949.
51387949 has 2 divisors, whose sum is 51387950
The reverse of 51387949 is 94978315
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
fifty-one million three hundred eighty-seven thousand nine hundred forty-nine
Scientific notation
5.1387949 × 10^7
Engineering notation
5.1387949 × 10^6
Prime Factorization
51387949
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
51387949 Product of the distinct prime numbers
The prime factorization of 51387949 is 51387949.
Since it has a total of 1 prime factors.
5 , 9 , 76 , 94 , 325 , 249 , 5978 , 46 , 72863 , 78889 , 598850 , 531882 , 7207581 , 4957792 , 18177864 , 91053631 , 991484275 , 370977054 , 1153437363 , 4386292239
n×2
102775898
n×3
154163847
n×4
205551796
n×5
256939745
n÷2
25693974.5
n÷3
17129316.333333
n÷3
12846987.25
n÷5
10277589.8
n2
2640721302426601
n3
1.3570125161231E+23
n4
6.9734089970896E+30
n5
3.5834918589858E+38
2 √n7168.538832984
3 √n371.7809174608
4 √n84.667224077467
5 √n34.84755056079
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
51387950 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
25693975 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
7168.5389027332 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999610804 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51387949 can be divided by 2 positive divisors.
The sum of these divisors (counting 51387949) is 51387950, the average is 25693975.
Base
System
Value
2
Binary
11000100000001111000101101
3
Ternary
10120200210000101
4
Quaternary
3010001320231
5
Quinary
101123403244
6
Senary
5033231101
8
Octal
304017055
10
Decimal
51387949
12
Duodecimal
15262491
16
Hexadecimal
3101e2d
20
Vigesimal
g139h9
36
Base36
ulf71
md5
8fdb2b789d95ef0f0372286adad4d112
sha1
76468c0dd05d0cae2164bfbb0833418e93a80d3a
sha256
1f3674dc07e7192c2691eecef49aec57ecc47c6aa1009c3f1815a3b3bf76e35e
sha512
abd28cbdfd5db5daeff2745f3ccfbf2ad1a61eefb7d9327aa72d402a467a4f97ffc46b1aae5a5e9546f9d87bb751c0adac21a8ad7a4398546eb30f85f0129f16
ripemd-160
c7cf2ad5c701008c6516366b7f86fbe34b8b2ba2
Diameter
102775898
Circumference
322880006.12289
Area
8.2960706438815E+15
Volume
5.684240735309E+23
Surface area
3.3184282575526E+16
Circumference
322880006.12289
Perimeter
205551796
Area
2640721302426601
Diagonal
72673534.418337
Surface area
15844327814559606
Volume
1.3570125161231E+23
Space diagonal
89006538.564758
Perimeter
154163847
Area
1.1434658661081E+15
Altitude
44503269.282379
Surface area
1.1434658661081E+15
Volume
1.5992545871761E+22
Height
24224511.472779