21491061 (number)

21491061 is an odd 8-digits composite number following 21491060 and preceding 21491062. In scientific notation, it is written as 2.1491061 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 14016240 positive integers (up to 21491061) that are relatively prime to 21491061.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491061 × 10^7
Engineering notation 2.1491061 × 10^6

Prime Factorization of 21491061

Prime Factorization 3 × 71 × 163 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491061
Product of the distinct prime numbers

The prime factorization of 21491061 is 3 × 71 × 163 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 77, 69, 917, 322, 5686, 6737, 96475, 16139, 215654, 573181, 5951904, 6722652, 4399568, 86166697, 973895755, 252364477, 2712177199, 8472700435

Basic calculations (n = 21491061)

Multiplication

n×y
n×2 42982122
n×3 64473183
n×4 85964244
n×5 107455305

Division

n÷y
n÷2 10745530.5
n÷3 7163687
n÷3 5372765.25
n÷5 4298212.2

Exponentiation

ny
n2 461865702905721
n3 9.9259839949547E+21
n4 2.133199275206E+29
n5 4.5844715748607E+36

Nth Root

y√n
2√n 4635.845230376
3√n 278.02634620829
4√n 68.087041574561
5√n 29.271944386861

Divisors of 21491061

1, 3, 71, 163, 213, 489, 619, 1857, 11573, 34719, 43949, 100897, 131847, 302691, 7163687, 21491061

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 -21491060
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 21491061 can be divided by 16 positive divisors. The sum of these divisors (counting 21491061) is 1, the average is 0.0625.

Base conversion 21491061

Base System Value
2 Binary 1010001111110110101110101
3 Ternary 1111102212012020
4 Quaternary 1101332311311
5 Quinary 21000203221
6 Senary 2044343353
8 Octal 121766565
10 Decimal 21491061
12 Duodecimal 7244b59
16 Hexadecimal 147ed75
20 Vigesimal 6e67d1
36 Base36 csmlx

Cryptographic Hash Functions

md5 24220b4f8d59a77efaa47bced93bbd5d
sha1 ebef13f991eefbdabb4f0b304d5c6894687e4472
sha256 eb34afac5cbacf9890d7c21c8993e55b417d02859f274a0a14c1092191fea249
sha512 5a35aeaad68d742c89203bfb7214c051f4abe6e5c8d6f2387e699dd6f242a756a9e165b31858977f12edc44b51ae48587593c58df89eb1c6a52791c0f0f2b0a8
ripemd-160 9c0942d9a78e92761dc2bed34f6d5c8f96466c7d

21491061 as geometric shapes

Circle

Radius = n
Diameter 42982122
Circumference 135032318.7109
Area 1.4509938991937E+15

Sphere

Radius = n
Volume 4.1577864530933E+22
Surface area 5.8039755967748E+15
Circumference 135032318.7109

Square

Length = n
Perimeter 85964244
Area 461865702905721
Diagonal 30392949.935987

Cube

Length = n
Surface area 2771194217434326
Volume 9.9259839949547E+21
Space diagonal 37223609.560562

Equilateral Triangle

Length = n
Perimeter 64473183
Area 1.9999371592656E+14
Altitude 18611804.780281

Triangular Pyramid

Length = n
Surface area 1.9999371592656E+14
Volume 1.1697884321303E+21
Height 10130983.311996