21454906 (number)

21454906 is an even 8-digits composite number following 21454905 and preceding 21454907. In scientific notation, it is written as 2.1454906 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 9218880 positive integers (up to 21454906) that are relatively prime to 21454906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1454906 × 10^7
Engineering notation 2.1454906 × 10^6

Prime Factorization of 21454906

Prime Factorization 2 × 11 × 23 × 109 × 389

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21454906
Product of the distinct prime numbers

The prime factorization of 21454906 is 2 × 11 × 23 × 109 × 389. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21454906)

Multiplication

n×y
n×2 42909812
n×3 64364718
n×4 85819624
n×5 107274530

Division

n÷y
n÷2 10727453
n÷3 7151635.3333333
n÷3 5363726.5
n÷5 4290981.2

Exponentiation

ny
n2 460312991468836
n3 9.8759719625427E+21
n4 2.1188805011499E+29
n5 4.5460381977404E+36

Nth Root

y√n
2√n 4631.9440842912
3√n 277.8703482523
4√n 68.058387317738
5√n 29.262088753859

Divisors of 21454906

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21454905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21454906 can be divided by 32 positive divisors. The sum of these divisors (counting 21454906) is 1, the average is 0.03125.

Base conversion 21454906

Base System Value
2 Binary 1010001110110000000111010
3 Ternary 1111101000121011
4 Quaternary 1101312000322
5 Quinary 20443024111
6 Senary 2043504134
8 Octal 121660072
10 Decimal 21454906
12 Duodecimal 722804a
16 Hexadecimal 147603a
20 Vigesimal 6e1h56
36 Base36 crupm

Cryptographic Hash Functions

md5 e9fff9f2c4cf06d40a171c87c4a69f3e
sha1 18131a77a9d6510911007234fc050c18bc9a901f
sha256 e43871420b57720244d8117b53c5518dcb4616e8ef6afb7af83745dd61541e3c
sha512 d77252b2cf2bb9981476c96cebae0cc68a20c4828ede4737b2c8fe63fb9a2ddafbd747e2bbcec452129aa2b4ec6533ee02575d4ede3a112f4f3e165bccb97c43
ripemd-160 ab650dad5d5200cb1942075751bb0f95ea84e7a5

21454906 as geometric shapes

Circle

Radius = n
Diameter 42909812
Circumference 134805150.14612
Area 1.4461159123504E+15

Sphere

Radius = n
Volume 4.1368374619444E+22
Surface area 5.7844636494017E+15
Circumference 134805150.14612

Square

Length = n
Perimeter 85819624
Area 460312991468836
Diagonal 30341819.04464

Cube

Length = n
Surface area 2761877948813016
Volume 9.8759719625427E+21
Space diagonal 37160987.263614

Equilateral Triangle

Length = n
Perimeter 64364718
Area 1.9932137215201E+14
Altitude 18580493.631807

Triangular Pyramid

Length = n
Surface area 1.9932137215201E+14
Volume 1.163894457587E+21
Height 10113939.681547