251013385 is an odd 9-digits composite number following 251013384
and preceding 251013386 . In scientific notation, it is written as 2.51013385 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 172123440 positive integers (up to 251013385) that are relatively prime to 251013385.
251013385 has 8 divisors, whose sum is 344246976
The reverse of 251013385 is 583310152
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred fifty-one million thirteen thousand three hundred eighty-five
Scientific notation
2.51013385 × 10^8
Engineering notation
2.51013385 × 10^6
Prime Factorization
5 × 7 × 7171811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
251013385
Product of the distinct prime numbers
The prime factorization of 251013385 is 5 × 7 × 7171811.
Since it has a total of 3 prime factors.
2 , 4 , 46 , 36 , 56 , 425 , 5745 , 7514 , 36614 , 8536 , 879860 , 866868 , 4858653 , 5194400 , 29794985 , 13197839 , 281150016 , 866521014 , 3442174694 , 9118467910
n×2
502026770
n×3
753040155
n×4
1004053540
n×5
1255066925
n÷2
125506692.5
n÷3
83671128.333333
n÷3
62753346.25
n÷5
50202677
n2
63007719449158225
n3
1.5815780940064E+25
n4
3.9699727101838E+33
n5
9.9651628834087E+41
2 √n
15843.401938978
3 √n
630.81056748158
4 √n
125.87057614462
5 √n
47.856328417038
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
-251013384
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 251013385 can be divided by 8 positive divisors.
The sum of these divisors (counting 251013385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111101100010100100001001
3
Ternary
122111022210122001
4
Quaternary
32331202210021
5
Quinary
1003224412020
6
Senary
40524031001
8
Octal
1675424411
10
Decimal
251013385
12
Duodecimal
70092461
16
Hexadecimal
ef62909
20
Vigesimal
3i8gd95
36
Base36
45g361
md5
124e3165a146a9d6732fdd461d266cf4
sha1
cece559d3b9d7840c9ce321c969893a9b083dfb8
sha256
625eb26ea19bd83a3d47e257ef48b042762d8ac225638e5c0979c4af55b9eb66
sha512
499cf24f7fe00e67631c7635d0e2d819a25257d8a90e9b761b5294fcc735f497a7ee32ff0dc429bbf0c820f93c5fe5945b71b860895277bc130015119c811e55
ripemd-160
76b35ba57b143d28b22835bb5566634b24f194d5
Diameter
502026770
Circumference
1577163612.5374
Area
1.9794458854092E+17
Volume
6.6248988282785E+25
Surface area
7.9177835416369E+17
Circumference
1577163612.5374
Perimeter
1004053540
Area
63007719449158225
Diagonal
354986533.40418
Surface area
378046316694949350
Volume
1.5815780940064E+25
Space diagonal
434767936.19985
Perimeter
753040155
Area
2.7283142838747E+16
Altitude
217383968.09992
Surface area
2.7283142838747E+16
Volume
1.8639076587466E+24
Height
118328844.46806