291220081 (number)

291220081 is an odd 9-digits composite number following 291220080 and preceding 291220082. In scientific notation, it is written as 2.91220081 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 264128256 positive integers (up to 291220081) that are relatively prime to 291220081.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred twenty thousand eighty-one

Notation

Scientific notation 2.91220081 × 10^8
Engineering notation 2.91220081 × 10^6

Prime Factorization of 291220081

Prime Factorization 17 × 37 × 107 × 4327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 291220081
Product of the distinct prime numbers

The prime factorization of 291220081 is 17 × 37 × 107 × 4327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 291220081)

Multiplication

n×y
n×2 582440162
n×3 873660243
n×4 1164880324
n×5 1456100405

Division

n÷y
n÷2 145610040.5
n÷3 97073360.333333
n÷3 72805020.25
n÷5 58244016.2

Exponentiation

ny
n2 84809135577646561
n3 2.4698123332462E+25
n4 7.1925894774276E+33
n5 2.0946264902162E+42

Nth Root

y√n
2√n 17065.171578393
3√n 662.83755414755
4√n 130.63373063031
5√n 49.299698542702

Divisors of 291220081

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 -291220080
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 291220081 can be divided by 16 positive divisors. The sum of these divisors (counting 291220081) is 1, the average is 0.0625.

Base conversion 291220081

Base System Value
2 Binary 10001010110111010101001110001
3 Ternary 202021222111211221
4 Quaternary 101112322221301
5 Quinary 1044023020311
6 Senary 44521505041
8 Octal 2126725161
10 Decimal 291220081
12 Duodecimal 81642181
16 Hexadecimal 115baa71
20 Vigesimal 4b02a41
36 Base36 4tduup

Cryptographic Hash Functions

md5 5a0229c80e5dca35952b32638a600c4c
sha1 0f1d425beb1af122e6df00d3b5dd3e56577b7d24
sha256 cecdb45893bec81b595b69dd4a458c1a210a3be9212d8c649b10ab95144bdfbc
sha512 55a96b3301b8698a6df2da974b7e55822e918fac8553cb0b46538a5c9ad1ad3383d4e43276d35fc75dd77be60da48e3f1252b5fcb2803b6c9fd0e48371b178b7
ripemd-160 0002fb2c93a7647ca0f995db095840dcc9fa2378

291220081 as geometric shapes

Circle

Radius = n
Diameter 582440162
Circumference 1829789734.0948
Area 2.6643575728804E+17

Sphere

Radius = n
Volume 1.0345525709162E+26
Surface area 1.0657430291521E+18
Circumference 1829789734.0948

Square

Length = n
Perimeter 1164880324
Area 84809135577646561
Diagonal 411847388.18559

Cube

Length = n
Surface area 508854813465879366
Volume 2.4698123332462E+25
Space diagonal 504407976.47632

Equilateral Triangle

Length = n
Perimeter 873660243
Area 3.672343294162E+16
Altitude 252203988.23816

Triangular Pyramid

Length = n
Surface area 3.672343294162E+16
Volume 2.9107017484943E+24
Height 137282462.72853