21491130 (number)

21491130 is an even 8-digits composite number following 21491129 and preceding 21491131. In scientific notation, it is written as 2.1491130 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 5716352 positive integers (up to 21491130) that are relatively prime to 21491130.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand one hundred thirty

Notation

Scientific notation 2.1491130 × 10^7
Engineering notation 2.1491130 × 10^6

Prime Factorization of 21491130

Prime Factorization 2 × 15 × 569 × 1259

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491130
Product of the distinct prime numbers

The prime factorization of 21491130 is 2 × 15 × 569 × 1259. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 93, 90, 63, 863, 7392, 2031, 69483, 99448, 254231, 515324, 576411, 9308833, 62275108, 52187059, 301671411, 668575245, 2667596368, 5816691680

Basic calculations (n = 21491130)

Multiplication

n×y
n×2 42982260
n×3 64473390
n×4 85964520
n×5 107455650

Division

n÷y
n÷2 10745565
n÷3 7163710
n÷3 5372782.5
n÷5 4298226

Exponentiation

ny
n2 461868668676900
n3 9.9260796014622E+21
n4 2.1332266710537E+29
n5 4.5845451707083E+36

Nth Root

y√n
2√n 4635.8526723786
3√n 278.02664375521
4√n 68.087096225192
5√n 29.271963183155

Divisors of 21491130

1, 2, 15, 30, 569, 1138, 1259, 2518, 8535, 17070, 18885, 37770, 716371, 1432742, 10745565, 21491130

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 -21491129
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 21491130 can be divided by 16 positive divisors. The sum of these divisors (counting 21491130) is 1, the average is 0.0625.

Base conversion 21491130

Base System Value
2 Binary 1010001111110110110111010
3 Ternary 1111102212021210
4 Quaternary 1101332312322
5 Quinary 21000204010
6 Senary 2044343550
8 Octal 121766672
10 Decimal 21491130
12 Duodecimal 7244bb6
16 Hexadecimal 147edba
20 Vigesimal 6e67ga
36 Base36 csmnu

Cryptographic Hash Functions

md5 abd37ca569b1a8fcd62a51674fadf489
sha1 380cf22bb8662860fbc953a674f4963ee156b43f
sha256 ba6a7526bc9344bc7512816f809f29f6c04224974c5691ea3eb190516750e52b
sha512 18226fb69526cccd9ab583cdb0fbb3361ceaa9fae3b4f981c6171796070a7f998fea518e9635c674824ac39711fed9c2c28410095e2b1f6f1eafade27c6456cd
ripemd-160 18b97f9f00d5136796f843ca8e8c03a6075d40f3

21491130 as geometric shapes

Circle

Radius = n
Diameter 42982260
Circumference 135032752.25069
Area 1.4510032164386E+15

Sphere

Radius = n
Volume 4.1578265006535E+22
Surface area 5.8040128657546E+15
Circumference 135032752.25069

Square

Length = n
Perimeter 85964520
Area 461868668676900
Diagonal 30393047.516723

Cube

Length = n
Surface area 2771212012061400
Volume 9.9260796014622E+21
Space diagonal 37223729.072068

Equilateral Triangle

Length = n
Perimeter 64473390
Area 1.9999500014315E+14
Altitude 18611864.536034

Triangular Pyramid

Length = n
Surface area 1.9999500014315E+14
Volume 1.1697996994652E+21
Height 10131015.838908