261716961 is an odd 9-digits composite number following 261716960
and preceding 261716962 . In scientific notation, it is written as 2.61716961 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 156979200 positive integers (up to 261716961) that are relatively prime to 261716961.
261716961 has 16 divisors, whose sum is 384608448
The reverse of 261716961 is 169617162
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred sixty-one million seven hundred sixteen thousand nine hundred sixty-one
Scientific notation
2.61716961 × 10^8
Engineering notation
2.61716961 × 10^6
Prime Factorization
3 × 11 × 97 × 81761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261716961
Product of the distinct prime numbers
The prime factorization of 261716961 is 3 × 11 × 97 × 81761.
Since it has a total of 4 prime factors.
3 , 2 , 21 , 78 , 916 , 847 , 868 , 6943 , 41903 , 26656 , 932522 , 844112 , 1797702 , 4957993 , 82486304 , 41265960 , 94089572 , 724534016 , 3608355781 , 3272324690
n×2
523433922
n×3
785150883
n×4
1046867844
n×5
1308584805
n÷2
130858480.5
n÷3
87238987
n÷3
65429240.25
n÷5
52343392.2
n2
68495767675075521
n3
1.7926504157283E+25
n4
4.6916701893979E+33
n5
1.2278896639835E+42
2 √n
16177.668589757
3 √n
639.65228589213
4 √n
127.19146429598
5 √n
48.257672720203
1 , 3 , 11 , 33 , 97 , 291 , 1067 , 3201 , 81761 , 245283 , 899371 , 2698113 , 7930817 , 23792451 , 87238987 , 261716961
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
-261716960
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 261716961 can be divided by 16 positive divisors.
The sum of these divisors (counting 261716961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100110010111101111100001
3
Ternary
200020110121011210
4
Quaternary
33212113233201
5
Quinary
1013444420321
6
Senary
41545300333
8
Octal
1746275741
10
Decimal
261716961
12
Duodecimal
737946a9
16
Hexadecimal
f997be1
20
Vigesimal
41fec81
36
Base36
4bti3l
md5
940cdfec79bd94746b2c5a29c52e095a
sha1
cf303e651d7528692d54b3fde3ee790a1a49ba2c
sha256
5d0f9cddc87f4311e2669fde40ff47787d39a5b2f73fba6e0493e2977e915b18
sha512
e5c190077ecf8910fcf4452066a6a739a10476a840e6da1839ea20ae2652338cf48b768221faaa47e72665f6c63974d771288f7b61bd14312d3b8ab7abf29525
ripemd-160
d801dd1f59ea898857d4f555880a7a5fb87a98cc
Diameter
523433922
Circumference
1644416163.9949
Area
2.1518580053001E+17
Volume
7.5090365020089E+25
Surface area
8.6074320212004E+17
Circumference
1644416163.9949
Perimeter
1046867844
Area
68495767675075521
Diagonal
370123675.74927
Surface area
410974606050453126
Volume
1.7926504157283E+25
Space diagonal
453307073.65452
Perimeter
785150883
Area
2.9659537429166E+16
Altitude
226653536.82726
Surface area
2.9659537429166E+16
Volume
2.1126587754306E+24
Height
123374558.58309