261567138 is an even 9-digits composite number following 261567137
and preceding 261567139 . In scientific notation, it is written as 2.61567138 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 74638080 positive integers (up to 261567138) that are relatively prime to 261567138.
261567138 has 16 divisors, whose sum is 411558840
The reverse of 261567138 is 831765162
Previous prime number is 881
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred sixty-one million five hundred sixty-seven thousand one hundred thirty-eight
Scientific notation
2.61567138 × 10^8
Engineering notation
2.61567138 × 10^6
Prime Factorization
2 × 21 × 881 × 7069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261567138
Product of the distinct prime numbers
The prime factorization of 261567138 is 2 × 21 × 881 × 7069.
Since it has a total of 4 prime factors.
1 , 4 , 85 , 47 , 860 , 715 , 6616 , 5370 , 84962 , 80529 , 606594 , 460627 , 6886446 , 9378185 , 37148120 , 72343481 , 751394631 , 198526537 , 9545220644 , 9962931490
n×2
523134276
n×3
784701414
n×4
1046268552
n×5
1307835690
n÷2
130783569
n÷3
87189046
n÷3
65391784.5
n÷5
52313427.6
n2
68417367681511044
n3
1.7895735053947E+25
n4
4.6809362004671E+33
n5
1.2243790851168E+42
2 √n
16173.037377067
3 √n
639.5302037299
4 √n
127.17325731877
5 √n
48.252146318379
1 , 2 , 21 , 42 , 881 , 1762 , 7069 , 14138 , 18501 , 37002 , 148449 , 296898 , 6227789 , 12455578 , 130783569 , 261567138
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
-261567137
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 261567138 can be divided by 16 positive divisors.
The sum of these divisors (counting 261567138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100101110011001010100010
3
Ternary
200020011222122210
4
Quaternary
33211303022202
5
Quinary
1013430122023
6
Senary
41542142550
8
Octal
1745631242
10
Decimal
261567138
12
Duodecimal
73721a56
16
Hexadecimal
f9732a2
20
Vigesimal
41efhgi
36
Base36
4bqahu
md5
8b56aced485ac0af5a65b38e53bce85d
sha1
e9edd9111336819722e0b53f18c90e27c38a5abe
sha256
e1662b4bd6efc78ccd9300964f31a4fc176d967110d8f51b295c264593d058e9
sha512
b95f95f34a78f9bddfcf61c093456c68c90c44ec3034e8303f1e5fe6cdb5bd131b28adabd1f469b17123b15d92c5a64afb50f20396e3e6b595b7ac4938b3d689
ripemd-160
fc0815320da9447cf97c96eeae143d80344eda74
Diameter
523134276
Circumference
1643474798.3226
Area
2.1493949968619E+17
Volume
7.4961479701424E+25
Surface area
8.5975799874475E+17
Circumference
1643474798.3226
Perimeter
1046268552
Area
68417367681511044
Diagonal
369911794.03071
Surface area
410504206089066264
Volume
1.7895735053947E+25
Space diagonal
453047572.60638
Perimeter
784701414
Area
2.9625589236124E+16
Altitude
226523786.30319
Surface area
2.9625589236124E+16
Volume
2.1090326018272E+24
Height
123303931.34357