291249428 (number)

291249428 is an even 9-digits composite number following 291249427 and preceding 291249429. In scientific notation, it is written as 2.91249428 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 145577880 positive integers (up to 291249428) that are relatively prime to 291249428.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred forty-nine thousand four hundred twenty-eight

Notation

Scientific notation 2.91249428 × 10^8
Engineering notation 2.91249428 × 10^6

Prime Factorization of 291249428

Prime Factorization 2 × 2 × 3691 × 19727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 145624714
Product of the distinct prime numbers

The prime factorization of 291249428 is 2 × 2 × 3691 × 19727. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 14, 24, 623, 425, 9888, 6483, 2503, 7381, 711601, 810530, 6579442, 3363490, 94032440, 69591878, 546854564, 338360133, 2624268228, 2297774400

Basic calculations (n = 291249428)

Multiplication

n×y
n×2 582498856
n×3 873748284
n×4 1164997712
n×5 1456247140

Division

n÷y
n÷2 145624714
n÷3 97083142.666667
n÷3 72812357
n÷5 58249885.6

Exponentiation

ny
n2 84826229310327184
n3 2.470559076603E+25
n4 7.1954891790082E+33
n5 2.0956821075663E+42

Nth Root

y√n
2√n 17066.031407448
3√n 662.85981868399
4√n 130.63702158059
5√n 49.300692114252

Divisors of 291249428

1, 2, 4, 3691, 7382, 14764, 19727, 39454, 78908, 72812357, 145624714, 291249428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -291249427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 291249428 can be divided by 12 positive divisors. The sum of these divisors (counting 291249428) is 1, the average is 0.083333333333333.

Base conversion 291249428

Base System Value
2 Binary 10001010111000001110100010100
3 Ternary 202022001000002212
4 Quaternary 101113001310110
5 Quinary 1044024440203
6 Senary 44522252552
8 Octal 2127016424
10 Decimal 291249428
12 Duodecimal 81657158
16 Hexadecimal 115c1d14
20 Vigesimal 4b063b8
36 Base36 4tehhw

Cryptographic Hash Functions

md5 ae99deb67626d199e712c4d5f60b1f62
sha1 07927bcd0fd268adfa3c4d24acdcd47d67ac5e64
sha256 ceffb285c1bcfe21136912dd10162c50c5df8bf8c81534b3211192b0b4bcd729
sha512 9f685ea8be83b05321b19829b428336e14050b329f034c9ec0b3ce64c4120640145e3fce03b42623277923e327d148d78f62fb2236a4aed25ce6c30be42b6d34
ripemd-160 3035e1454abd96c3eb86b1315bd22aee6b5abde1

291249428 as geometric shapes

Circle

Radius = n
Diameter 582498856
Circumference 1829974126.7341
Area 2.6648945883305E+17

Sphere

Radius = n
Volume 1.0348653660421E+26
Surface area 1.0659578353322E+18
Circumference 1829974126.7341

Square

Length = n
Perimeter 1164997712
Area 84826229310327184
Diagonal 411888891.11101

Cube

Length = n
Surface area 508957375861963104
Volume 2.470559076603E+25
Space diagonal 504458806.97137

Equilateral Triangle

Length = n
Perimeter 873748284
Area 3.6730834744994E+16
Altitude 252229403.48569

Triangular Pyramid

Length = n
Surface area 3.6730834744994E+16
Volume 2.9115817939799E+24
Height 137296297.037