291242145 (number)

291242145 is an odd 9-digits composite number following 291242144 and preceding 291242146. In scientific notation, it is written as 2.91242145 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 155151360 positive integers (up to 291242145) that are relatively prime to 291242145.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred forty-two thousand one hundred forty-five

Notation

Scientific notation 2.91242145 × 10^8
Engineering notation 2.91242145 × 10^6

Prime Factorization of 291242145

Prime Factorization 5 × 3 × 911 × 21313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 291242145
Product of the distinct prime numbers

The prime factorization of 291242145 is 5 × 3 × 911 × 21313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 31, 38, 396, 199, 342, 981, 24425, 18798, 338450, 490990, 3436889, 446075, 73267329, 28714062, 169016221, 986520555, 8910060195, 9299357455

Basic calculations (n = 291242145)

Multiplication

n×y
n×2 582484290
n×3 873726435
n×4 1164968580
n×5 1456210725

Division

n÷y
n÷2 145621072.5
n÷3 97080715
n÷3 72810536.25
n÷5 58248429

Exponentiation

ny
n2 84821987024201025
n3 2.470373744409E+25
n4 7.1947694827337E+33
n5 2.0954200969319E+42

Nth Root

y√n
2√n 17065.818029031
3√n 662.85429346765
4√n 130.63620489371
5√n 49.300445548596

Divisors of 291242145

1, 3, 5, 15, 911, 2733, 4555, 13665, 21313, 63939, 106565, 319695, 19416143, 58248429, 97080715, 291242145

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 -291242144
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 291242145 can be divided by 16 positive divisors. The sum of these divisors (counting 291242145) is 1, the average is 0.0625.

Base conversion 291242145

Base System Value
2 Binary 10001010111000000000010100001
3 Ternary 202022000122010010
4 Quaternary 101113000002201
5 Quinary 1044024222040
6 Senary 44522155133
8 Octal 2127000241
10 Decimal 291242145
12 Duodecimal 81652aa9
16 Hexadecimal 115c00a1
20 Vigesimal 4b05575
36 Base36 4tebvl

Cryptographic Hash Functions

md5 8eb329db7629c90ceac4db2ebbf4ab30
sha1 cf2e7ef2e9cee5c395bbe695af8834d663a04f73
sha256 59f78f01b14df85bfc2f2e8fc3bffeb6a672abbc232441a084fad53cba4070ef
sha512 9b1af42ef548ebb884c0d0264a8ed45221a9b3c086c6f9cbe191127c658957f855026643821a2b5e6c1bced838b843ad59c7d86e3364077d49aceab2829b30bd
ripemd-160 d785d024dd4263633397f97363b1b093ad112558

291242145 as geometric shapes

Circle

Radius = n
Diameter 582484290
Circumference 1829928366.2955
Area 2.6647613129812E+17

Sphere

Radius = n
Volume 1.0347877342742E+26
Surface area 1.0659045251925E+18
Circumference 1829928366.2955

Square

Length = n
Perimeter 1164968580
Area 84821987024201025
Diagonal 411878591.39363

Cube

Length = n
Surface area 508931922145206150
Volume 2.470373744409E+25
Space diagonal 504446192.44534

Equilateral Triangle

Length = n
Perimeter 873726435
Area 3.6728997781216E+16
Altitude 252223096.22267

Triangular Pyramid

Length = n
Surface area 3.6728997781216E+16
Volume 2.9113633778947E+24
Height 137292863.79788