261567961 is an odd 9-digits prime number following 261567960
and preceding 261567962 . In scientific notation, it is written as 2.61567961 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 261567960 positive integers (up to 261567961) that are relatively prime to 261567961.
261567961 has 2 divisors, whose sum is 261567962
The reverse of 261567961 is 169765162
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred sixty-one million five hundred sixty-seven thousand nine hundred sixty-one
Scientific notation
2.61567961 × 10^8
Engineering notation
2.61567961 × 10^6
Prime Factorization
261567961
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
261567961
Product of the distinct prime numbers
The prime factorization of 261567961 is 261567961.
Since it has a total of 1 prime factors.
8 , 1 , 66 , 64 , 96 , 828 , 8887 , 6858 , 96096 , 24116 , 363331 , 224003 , 902291 , 2494888 , 48840767 , 81594496 , 771089244 , 247295140 , 5327552809 , 7962748398
n×2
523135922
n×3
784703883
n×4
1046271844
n×5
1307839805
n÷2
130783980.5
n÷3
87189320.333333
n÷3
65391990.25
n÷5
52313592.2
n2
68417798221697521
n3
1.7895903976959E+25
n4
4.6809951135049E+33
n5
1.2243983472904E+42
2 √n
16173.062820629
3 √n
639.53087447268
4 √n
127.17335735377
5 √n
48.252176682641
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
261567962
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
130783981
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
16173.062851544
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999923538
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261567961 can be divided by 2 positive divisors.
The sum of these divisors (counting 261567961) is 261567962, the average is 130783981.
Base
System
Value
2
Binary
1111100101110011010111011001
3
Ternary
200020012000210021
4
Quaternary
33211303113121
5
Quinary
1013430133321
6
Senary
41542150441
8
Octal
1745632731
10
Decimal
261567961
12
Duodecimal
73722421
16
Hexadecimal
f9735d9
20
Vigesimal
41efji1
36
Base36
4bqb4p
md5
1d0ed793c0eeee198defcbeb7b7e80ea
sha1
ee25bca5b26cca3e38706e3a1579a5a20b921e53
sha256
920d824e65c8f76ff4347591a34785fced68993d369c3c6e86f41f17bb5d2282
sha512
095286eaeeebc7b1274cd2be974909ac6b4e16789ff4273487e60a5dfbbd60af05ee69eafc52f03c55443313373abb115d0cb727b511da9a17e3a9c0bb6dcb97
ripemd-160
ff609bbd03a4243380d7d89cb56e10f44d19a26b
Diameter
523135922
Circumference
1643479969.3841
Area
2.1494085226807E+17
Volume
7.4962187284483E+25
Surface area
8.5976340907229E+17
Circumference
1643479969.3841
Perimeter
1046271844
Area
68417798221697521
Diagonal
369912957.92848
Surface area
410506789330185126
Volume
1.7895903976959E+25
Space diagonal
453048998.08419
Perimeter
784703883
Area
2.9625775665494E+16
Altitude
226524499.0421
Surface area
2.9625775665494E+16
Volume
2.1090525095952E+24
Height
123304319.30949