21461908 (number)

21461908 is an even 8-digits composite number following 21461907 and preceding 21461909. In scientific notation, it is written as 2.1461908 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 9870720 positive integers (up to 21461908) that are relatively prime to 21461908.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand nine hundred eight

Notation

Scientific notation 2.1461908 × 10^7
Engineering notation 2.1461908 × 10^6

Prime Factorization of 21461908

Prime Factorization 2 × 2 × 13 × 389 × 1061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10730954
Product of the distinct prime numbers

The prime factorization of 21461908 is 2 × 2 × 13 × 389 × 1061. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 53, 82, 636, 723, 6153, 725, 71462, 27295, 285913, 10816, 7790975, 6238755, 39655995, 53231669, 388612317, 86557005, 7274774174, 7972696967

Basic calculations (n = 21461908)

Multiplication

n×y
n×2 42923816
n×3 64385724
n×4 85847632
n×5 107309540

Division

n÷y
n÷2 10730954
n÷3 7153969.3333333
n÷3 5365477
n÷5 4292381.6

Exponentiation

ny
n2 460613495000464
n3 9.8856444532584E+21
n4 2.1216479177654E+29
n5 4.5534612419473E+36

Nth Root

y√n
2√n 4632.6998607723
3√n 277.90057345359
4√n 68.063939503766
5√n 29.263998493321

Divisors of 21461908

1, 2, 4, 13, 26, 52, 389, 778, 1061, 1556, 2122, 4244, 5057, 10114, 13793, 20228, 27586, 55172, 412729, 825458, 1650916, 5365477, 10730954, 21461908

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 -21461907
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 21461908 can be divided by 24 positive divisors. The sum of these divisors (counting 21461908) is 1, the average is 0.041666666666667.

Base conversion 21461908

Base System Value
2 Binary 1010001110111101110010100
3 Ternary 1111101101012111
4 Quaternary 1101313232110
5 Quinary 20443240113
6 Senary 2044000404
8 Octal 121675624
10 Decimal 21461908
12 Duodecimal 7230104
16 Hexadecimal 1477b94
20 Vigesimal 6e2ef8
36 Base36 cs044

Cryptographic Hash Functions

md5 d889293f1c6ff3080bba591fe3bb2531
sha1 0048b6c17267877e2f3df8dbd59a2cd63db5e824
sha256 2aa8d1e2f590ece42315688e842bff3c7ed1887cb6241fb2d55153717fb54cd5
sha512 929d53d3e03cb91b5b2692c9b702f852b3f8fdf773a95f2e65d17d33d98e3ca4bb1111275766987ac029661a11f91b9f10223e112ac0d59403a3a8cb231b91ab
ripemd-160 ec9d40b32d132d13a05b7b70d5ff5b963d5b50fb

21461908 as geometric shapes

Circle

Radius = n
Diameter 42923816
Circumference 134849145.00964
Area 1.4470599720378E+15

Sphere

Radius = n
Volume 4.140889065381E+22
Surface area 5.7882398881511E+15
Circumference 134849145.00964

Square

Length = n
Perimeter 85847632
Area 460613495000464
Diagonal 30351721.368004

Cube

Length = n
Surface area 2763680970002784
Volume 9.8856444532584E+21
Space diagonal 37173115.083369

Equilateral Triangle

Length = n
Perimeter 64385724
Area 1.9945149399817E+14
Altitude 18586557.541684

Triangular Pyramid

Length = n
Surface area 1.9945149399817E+14
Volume 1.1650343715497E+21
Height 10117240.456001