261640215 (number)

261640215 is an odd 9-digits composite number following 261640214 and preceding 261640216. In scientific notation, it is written as 2.61640215 × 10^8. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 139541424 positive integers (up to 261640215) that are relatively prime to 261640215.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million six hundred forty thousand two hundred fifteen

Notation

Scientific notation 2.61640215 × 10^8
Engineering notation 2.61640215 × 10^6

Prime Factorization of 261640215

Prime Factorization 5 × 9 × 5814227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261640215
Product of the distinct prime numbers

The prime factorization of 261640215 is 5 × 9 × 5814227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 10, 65, 83, 503, 71, 8293, 3787, 25103, 13422, 444314, 12543, 9395749, 1679987, 6017509, 19023857, 458706602, 382175314, 2593496183, 4145061318

Basic calculations (n = 261640215)

Multiplication

n×y
n×2 523280430
n×3 784920645
n×4 1046560860
n×5 1308201075

Division

n÷y
n÷2 130820107.5
n÷3 87213405
n÷3 65410053.75
n÷5 52328043

Exponentiation

ny
n2 68455602105246225
n3 1.7910738452771E+25
n4 4.6861694595918E+33
n5 1.226090384934E+42

Nth Root

y√n
2√n 16175.296442415
3√n 639.58975580442
4√n 127.18213884982
5√n 48.254842167816

Divisors of 261640215

1, 5, 9, 45, 5814227, 29071135, 52328043, 261640215

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 -261640214
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 261640215 can be divided by 8 positive divisors. The sum of these divisors (counting 261640215) is 1, the average is 0.125.

Base conversion 261640215

Base System Value
2 Binary 1111100110000101000000010111
3 Ternary 200020022200220100
4 Quaternary 33212011000113
5 Quinary 1013434441330
6 Senary 41543505143
8 Octal 1746050027
10 Decimal 261640215
12 Duodecimal 737581b3
16 Hexadecimal f985017
20 Vigesimal 41f50af
36 Base36 4bruvr

Cryptographic Hash Functions

md5 d87e8cc1e7b1a13bddb84f1092b7d991
sha1 f50f7bda59ab359eb258ae0bff3619ae04ffd149
sha256 2646773128e78d12a1e8bd14eaff84bffd4aad1404f1ca2bc53ee14471657f41
sha512 076273bef1e58bd4e69a8f3e8d3e804e1576349a6ec99c1cbfff46c41601c968d4e0126248d8ba6ba2b4c19a7a51ac518474cc250a00b9bce649e8c0dc07381a
ripemd-160 a10795e5d2d32d55ba6be60e460ac871f6df82c2

261640215 as geometric shapes

Circle

Radius = n
Diameter 523280430
Circumference 1643933954.6553
Area 2.1505961667091E+17

Sphere

Radius = n
Volume 7.5024325791458E+25
Surface area 8.6023846668363E+17
Circumference 1643933954.6553

Square

Length = n
Perimeter 1046560860
Area 68455602105246225
Diagonal 370015140.51521

Cube

Length = n
Surface area 410733612631477350
Volume 1.7910738452771E+25
Space diagonal 453174145.68324

Equilateral Triangle

Length = n
Perimeter 784920645
Area 2.9642145227251E+16
Altitude 226587072.84162

Triangular Pyramid

Length = n
Surface area 2.9642145227251E+16
Volume 2.1108007693355E+24
Height 123338380.17174