251134985 is an odd 9-digits composite number following 251134984
and preceding 251134986 . In scientific notation, it is written as 2.51134985 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 198918400 positive integers (up to 251134985) that are relatively prime to 251134985.
251134985 has 8 divisors, whose sum is 304346376
The reverse of 251134985 is 589431152
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred fifty-one million one hundred thirty-four thousand nine hundred eighty-five
Scientific notation
2.51134985 × 10^8
Engineering notation
2.51134985 × 10^6
Prime Factorization
5 × 101 × 497297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
251134985
Product of the distinct prime numbers
The prime factorization of 251134985 is 5 × 101 × 497297.
Since it has a total of 3 prime factors.
6 , 9 , 11 , 91 , 781 , 627 , 7558 , 9439 , 44567 , 85794 , 326780 , 308593 , 9435489 , 1050193 , 22581926 , 49565939 , 475683125 , 673275158 , 2586144133 , 8214641872
n×2
502269970
n×3
753404955
n×4
1004539940
n×5
1255674925
n÷2
125567492.5
n÷3
83711661.666667
n÷3
62783746.25
n÷5
50226997
n2
63068780690950225
n3
1.583877729279E+25
n4
3.9776710978432E+33
n5
9.9893237149178E+41
2 √n
15847.239033977
3 √n
630.91241355359
4 √n
125.88581744572
5 √n
47.860964187537
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
-251134984
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 251134985 can be divided by 8 positive divisors.
The sum of these divisors (counting 251134985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111110000000010000001001
3
Ternary
122111112222102202
4
Quaternary
32332000100021
5
Quinary
1003242304420
6
Senary
40530405545
8
Octal
1676002011
10
Decimal
251134985
12
Duodecimal
701308b5
16
Hexadecimal
ef80409
20
Vigesimal
3i9bh95
36
Base36
45iozt
md5
ab58ac006a5bc47d268e96a48bf77989
sha1
6c8a0f284f96306355c99328f9a485ad20fd8e66
sha256
019d61e4f91d4d46a0990e0fab52c39823ff7a9e709b37c45e58c5579968a585
sha512
84d76a58fce3ed2e9748b3c161314d6029d17de31cc403be37ba6b4f768d19323b512d43cb439a748d92d4da6ab8f57f3b34225fcdd5c19134d782b2c3192f95
ripemd-160
9cdc122a6abc5d8a3cf3bf1fadcca2ac6e10eaf7
Diameter
502269970
Circumference
1577927647.8708
Area
1.9813641808956E+17
Volume
6.6345315179832E+25
Surface area
7.9254567235822E+17
Circumference
1577927647.8708
Perimeter
1004539940
Area
63068780690950225
Diagonal
355158501.77336
Surface area
378412684145701350
Volume
1.583877729279E+25
Space diagonal
434978553.57805
Perimeter
753404955
Area
2.7309583132036E+16
Altitude
217489276.78902
Surface area
2.7309583132036E+16
Volume
1.8666178049059E+24
Height
118386167.25779