21461954 (number)

21461954 is an even 8-digits composite number following 21461953 and preceding 21461955. In scientific notation, it is written as 2.1461954 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10730976 positive integers (up to 21461954) that are relatively prime to 21461954.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1461954 × 10^7
Engineering notation 2.1461954 × 10^6

Prime Factorization of 21461954

Prime Factorization 2 × 10730977

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21461954
Product of the distinct prime numbers

The prime factorization of 21461954 is 2 × 10730977. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461954)

Multiplication

n×y
n×2 42923908
n×3 64385862
n×4 85847816
n×5 107309770

Division

n÷y
n÷2 10730977
n÷3 7153984.6666667
n÷3 5365488.5
n÷5 4292390.8

Exponentiation

ny
n2 460615469498116
n3 9.885708018057E+21
n4 2.1216661074097E+29
n5 4.5535100400586E+36

Nth Root

y√n
2√n 4632.7048254772
3√n 277.90077199787
4√n 68.063975974646
5√n 29.264011037805

Divisors of 21461954

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 -21461953
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 21461954 can be divided by 4 positive divisors. The sum of these divisors (counting 21461954) is 1, the average is 0.25.

Base conversion 21461954

Base System Value
2 Binary 1010001110111101111000010
3 Ternary 1111101101021012
4 Quaternary 1101313233002
5 Quinary 20443240304
6 Senary 2044000522
8 Octal 121675702
10 Decimal 21461954
12 Duodecimal 7230142
16 Hexadecimal 1477bc2
20 Vigesimal 6e2ehe
36 Base36 cs05e

Cryptographic Hash Functions

md5 d1c3d113a75053bf5ea8af431c7b2a3b
sha1 3ff35c82c2ae9f0d0133994ba18b24e78d934645
sha256 964bebb82018be67005990486ec31e3bafb48a3f679a86819fe671e39d1c63a2
sha512 d74db64ad861ff5d9f15eff52dc0d710ec22af168d53b16aeece35ddf4c633add4724c4b4e179f6895a48723d0f9302c22f04d308e151894fc0da0772aa32036
ripemd-160 45863aaf31c560fa233cd7147d85cd710d8fbcf4

21461954 as geometric shapes

Circle

Radius = n
Diameter 42923908
Circumference 134849434.03616
Area 1.4470661751051E+15

Sphere

Radius = n
Volume 4.1409156913415E+22
Surface area 5.7882647004204E+15
Circumference 134849434.03616

Square

Length = n
Perimeter 85847816
Area 460615469498116
Diagonal 30351786.421827

Cube

Length = n
Surface area 2763692816988696
Volume 9.885708018057E+21
Space diagonal 37173194.757706

Equilateral Triangle

Length = n
Perimeter 64385862
Area 1.9945234898073E+14
Altitude 18586597.378853

Triangular Pyramid

Length = n
Surface area 1.9945234898073E+14
Volume 1.1650418627331E+21
Height 10117262.140609