21491363 (number)

21491363 is an odd 8-digits composite number following 21491362 and preceding 21491364. In scientific notation, it is written as 2.1491363 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21471840 positive integers (up to 21491363) that are relatively prime to 21491363.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491363 × 10^7
Engineering notation 2.1491363 × 10^6

Prime Factorization of 21491363

Prime Factorization 1171 × 18353

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491363
Product of the distinct prime numbers

The prime factorization of 21491363 is 1171 × 18353. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 30, 79, 209, 908, 1257, 7586, 91032, 99087, 890511, 530031, 1876077, 4945871, 27056489, 64133193, 214559533, 471692816, 4160523032, 5178995058

Basic calculations (n = 21491363)

Multiplication

n×y
n×2 42982726
n×3 64474089
n×4 85965452
n×5 107456815

Division

n÷y
n÷2 10745681.5
n÷3 7163787.6666667
n÷3 5372840.75
n÷5 4298272.6

Exponentiation

ny
n2 461878683597769
n3 9.9264024511618E+21
n4 2.1333191836201E+29
n5 4.5847936970043E+36

Nth Root

y√n
2√n 4635.877802531
3√n 278.02764851041
4√n 68.087280769106
5√n 29.272026654344

Divisors of 21491363

1, 1171, 18353, 21491363

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491362
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491363 can be divided by 4 positive divisors. The sum of these divisors (counting 21491363) is 1, the average is 0.25.

Base conversion 21491363

Base System Value
2 Binary 1010001111110111010100011
3 Ternary 1111102212121102
4 Quaternary 1101332322203
5 Quinary 21000210423
6 Senary 2044345015
8 Octal 121767243
10 Decimal 21491363
12 Duodecimal 724516b
16 Hexadecimal 147eea3
20 Vigesimal 6e6883
36 Base36 csmub

Cryptographic Hash Functions

md5 ed3a014d0698b19a4a79102d93e75e8c
sha1 35246eeac6a30510594fe7e534ebc3d50e75ee6d
sha256 aeafb0993d9cb7e241719b066557b581c9d2e4ddaa7a61be4552e57932f1570c
sha512 fb28f48a4419f62b320e29d114db7ea99cc13b5922d2a8a92a33014daadcc2573dc8cdf80fa86e8915ec3969fbea88eb459afe533544d17ae624f58ed36ce56a
ripemd-160 b0e1a3796525cf6b79649fbea845e067d35ad58e

21491363 as geometric shapes

Circle

Radius = n
Diameter 42982726
Circumference 135034216.23286
Area 1.4510346792405E+15

Sphere

Radius = n
Volume 4.1579617356194E+22
Surface area 5.8041387169619E+15
Circumference 135034216.23286

Square

Length = n
Perimeter 85965452
Area 461878683597769
Diagonal 30393377.028483

Cube

Length = n
Surface area 2771272101586614
Volume 9.9264024511618E+21
Space diagonal 37224132.639906

Equilateral Triangle

Length = n
Perimeter 64474089
Area 1.9999933673109E+14
Altitude 18612066.319953

Triangular Pyramid

Length = n
Surface area 1.9999933673109E+14
Volume 1.1698377476672E+21
Height 10131125.676161