51287907 is an odd 8-digits composite number following 51287906
and preceding 51287908 . In scientific notation, it is written as 5.1287907 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 29727280 positive integers (up to 51287907) that are relatively prime to 51287907.
51287907 has 16 divisors, whose sum is 71958528
The reverse of 51287907 is 70978215
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifty-one million two hundred eighty-seven thousand nine hundred seven
Scientific notation
5.1287907 × 10^7
Engineering notation
5.1287907 × 10^6
Prime Factorization
3 × 121 × 23 × 6143
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51287907
Product of the distinct prime numbers
The prime factorization of 51287907 is 3 × 121 × 23 × 6143.
Since it has a total of 4 prime factors.
4 , 4 , 56 , 74 , 11 , 337 , 462 , 7319 , 33912 , 89053 , 383545 , 759278 , 7606496 , 4070682 , 65306059 , 53428027 , 534328092 , 975026967 , 9003317289 , 1010169327
n×2
102575814
n×3
153863721
n×4
205151628
n×5
256439535
n÷2
25643953.5
n÷3
17095969
n÷3
12821976.75
n÷5
10257581.4
n2
2630449404440649
n3
1.3491024442316E+23
n4
6.9192640693222E+30
n5
3.5487457209584E+38
2 √n
7161.5575819789
3 √n
371.53949984163
4 √n
84.62598644612
5 √n
34.833971748314
1 , 3 , 23 , 69 , 121 , 363 , 2783 , 6143 , 8349 , 18429 , 141289 , 423867 , 743303 , 2229909 , 17095969 , 51287907
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51287906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51287907 can be divided by 16 positive divisors.
The sum of these divisors (counting 51287907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000011101001011101100011
3
Ternary
10120111200210010
4
Quaternary
3003221131203
5
Quinary
101112203112
6
Senary
5031140003
8
Octal
303513543
10
Decimal
51287907
12
Duodecimal
15214603
16
Hexadecimal
30e9763
20
Vigesimal
g0ajf7
36
Base36
uja03
md5
00af15389baaf5169c1c741195a27782
sha1
fde57198e9010717270ddcbdfd34bb9080bc5502
sha256
0b6c432b2efaf944fa82283337c3a3924e70adaad41ac4ac7a95e955a1487b98
sha512
f2c41257558808b454a9849c597ccddb4eed5d626a193bfd52ba9eff314e71f6b73b8955d71551ee383ac16726624bef23294d64eaeda6f108732d6591dff875
ripemd-160
cac0a23abf5bd295c0dff6d99293ec3d891a90da
Diameter
102575814
Circumference
322251423.69839
Area
8.2638005246304E+15
Volume
5.6511071036506E+23
Surface area
3.3055202098522E+16
Circumference
322251423.69839
Perimeter
205151628
Area
2630449404440649
Diagonal
72532053.66513
Surface area
15782696426643894
Volume
1.3491024442316E+23
Space diagonal
88833260.737867
Perimeter
153863721
Area
1.1390180038076E+15
Altitude
44416630.368934
Surface area
1.1390180038076E+15
Volume
1.5899324780525E+22
Height
24177351.22171