21191508 (number)

21191508 is an even 8-digits composite number following 21191507 and preceding 21191509. In scientific notation, it is written as 2.1191508 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6520320 positive integers (up to 21191508) that are relatively prime to 21191508.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred ninety-one thousand five hundred eight

Notation

Scientific notation 2.1191508 × 10^7
Engineering notation 2.1191508 × 10^6

Prime Factorization of 21191508

Prime Factorization 2 × 2 × 9 × 13 × 45281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10595754
Product of the distinct prime numbers

The prime factorization of 21191508 is 2 × 2 × 9 × 13 × 45281. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 2, 25, 972, 224, 2749, 1478, 56924, 56727, 496633, 122445, 6717959, 1221298, 51177394, 80903895, 793145226, 947666068, 4710360517, 3478268395

Basic calculations (n = 21191508)

Multiplication

n×y
n×2 42383016
n×3 63574524
n×4 84766032
n×5 105957540

Division

n÷y
n÷2 10595754
n÷3 7063836
n÷3 5297877
n÷5 4238301.6

Exponentiation

ny
n2 449080011314064
n3 9.5166826524021E+21
n4 2.0167285656184E+29
n5 4.2737519532131E+36

Nth Root

y√n
2√n 4603.4235086509
3√n 276.72854150691
4√n 67.848533577749
5√n 29.189884227006

Divisors of 21191508

1, 2, 4, 9, 13, 18, 26, 36, 52, 117, 234, 468, 45281, 90562, 181124, 407529, 588653, 815058, 1177306, 1630116, 2354612, 5297877, 10595754, 21191508

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21191507
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21191508 can be divided by 24 positive divisors. The sum of these divisors (counting 21191508) is 1, the average is 0.041666666666667.

Base conversion 21191508

Base System Value
2 Binary 1010000110101101101010100
3 Ternary 1110212122021200
4 Quaternary 1100311231110
5 Quinary 20411112013
6 Senary 2034112500
8 Octal 120655524
10 Decimal 21191508
12 Duodecimal 711b730
16 Hexadecimal 1435b54
20 Vigesimal 6c8if8
36 Base36 cm7h0

Cryptographic Hash Functions

md5 9f6c2441dddfca8adad98f6fec294287
sha1 89efa44021fabb2ac51190484daf2992de19c0b0
sha256 eb87ec1f3202e2fdd0ae6cb74446a71b9dec735a8aea12b454975520354c0e24
sha512 ad1a8ad6d0f5cd0fbb4bc76ce4362ec8ee4f0cd6aa2ae46dd6eabb0c71f2d5a6c3e3eea29e14ff1db96f2e12bf90350a28235fcd2c46102d8c92a44b0e40a4ef
ripemd-160 6435a19f9d55f9fa39203802c636070fdf1adf21

21191508 as geometric shapes

Circle

Radius = n
Diameter 42383016
Circumference 133150171.70258
Area 1.4108264644183E+15

Sphere

Radius = n
Volume 3.9863387076442E+22
Surface area 5.6433058576731E+15
Circumference 133150171.70258

Square

Length = n
Perimeter 84766032
Area 449080011314064
Diagonal 29969318.020738

Cube

Length = n
Surface area 2694480067884384
Volume 9.5166826524021E+21
Space diagonal 36704768.545002

Equilateral Triangle

Length = n
Perimeter 63574524
Area 1.9445734906489E+14
Altitude 18352384.272501

Triangular Pyramid

Length = n
Surface area 1.9445734906489E+14
Volume 1.121551806319E+21
Height 9989772.6735793