51385887 is an odd 8-digits composite number following 51385886
and preceding 51385888 . In scientific notation, it is written as 5.1385887 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 28084320 positive integers (up to 51385887) that are relatively prime to 51385887.
51385887 has 4 divisors, whose sum is 51402056
The reverse of 51385887 is 78858315
Previous prime number is 4347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifty-one million three hundred eighty-five thousand eight hundred eighty-seven
Scientific notation
5.1385887 × 10^7
Engineering notation
5.1385887 × 10^6
Prime Factorization
4347 × 11821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51385887
Product of the distinct prime numbers
The prime factorization of 51385887 is 4347 × 11821.
Since it has a total of 2 prime factors.
6 , 6 , 76 , 65 , 344 , 727 , 2279 , 5426 , 85216 , 88091 , 328463 , 481825 , 5921898 , 6560281 , 23667855 , 20948451 , 826114735 , 109853254 , 5736098069 , 9828330904
n×2
102771774
n×3
154157661
n×4
205543548
n×5
256929435
n÷2
25692943.5
n÷3
17128629
n÷3
12846471.75
n÷5
10277177.4
n2
2640509382776769
n3
1.3568491676581E+23
n4
6.9722898005322E+30
n5
3.582772958214E+38
2 √n
7168.3950086473
3 √n
371.77594468332
4 √n
84.66637472248
5 √n
34.847270896768
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
-51385886
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 51385887 can be divided by 4 positive divisors.
The sum of these divisors (counting 51385887) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000100000001011000011111
3
Ternary
10120200200012000
4
Quaternary
3010001120133
5
Quinary
101123322022
6
Senary
5033213343
8
Octal
304013037
10
Decimal
51385887
12
Duodecimal
15261253
16
Hexadecimal
310161f
20
Vigesimal
g134e7
36
Base36
uldlr
md5
fceb82165505e8ecd3bdcc6f0fbf3580
sha1
bb50591642bb520b9b36d5d65e594faee6bd3606
sha256
998e9d829126bb0cdcaae60e73f5ca6b11dc1d17665f0c7c6ea637794101400a
sha512
f3ee3dd2c2a778985521e851c8997b80afa337d8ed9bbdb08c98a397fccfebd067b8a65d1de159c7d32cd8486c251a6c5353248000363101b2ec0b2e6276cfc9
ripemd-160
596a1b02dc890f08be58db8d8fd7d563fb04f503
Diameter
102771774
Circumference
322867050.19479
Area
8.2954048786664E+15
Volume
5.6835565028587E+23
Surface area
3.3181619514666E+16
Circumference
322867050.19479
Perimeter
205543548
Area
2640509382776769
Diagonal
72670618.309971
Surface area
15843056296660614
Volume
1.3568491676581E+23
Space diagonal
89002967.075993
Perimeter
154157661
Area
1.1433741022079E+15
Altitude
44501483.537997
Surface area
1.1433741022079E+15
Volume
1.5990620791639E+22
Height
24223539.436657