21491746 (number)

21491746 is an even 8-digits composite number following 21491745 and preceding 21491747. In scientific notation, it is written as 2.1491746 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10455408 positive integers (up to 21491746) that are relatively prime to 21491746.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand seven hundred forty-six

Notation

Scientific notation 2.1491746 × 10^7
Engineering notation 2.1491746 × 10^6

Prime Factorization of 21491746

Prime Factorization 2 × 37 × 290429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491746
Product of the distinct prime numbers

The prime factorization of 21491746 is 2 × 37 × 290429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491746)

Multiplication

n×y
n×2 42983492
n×3 64475238
n×4 85966984
n×5 107458730

Division

n÷y
n÷2 10745873
n÷3 7163915.3333333
n÷3 5372936.5
n÷5 4298349.2

Exponentiation

ny
n2 461895146128516
n3 9.9269331592269E+21
n4 2.1334712601708E+29
n5 4.5852022421891E+36

Nth Root

y√n
2√n 4635.9191105972
3√n 278.02930008794
4√n 68.087584114853
5√n 29.272130985617

Divisors of 21491746

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491745
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491746 can be divided by 8 positive divisors. The sum of these divisors (counting 21491746) is 1, the average is 0.125.

Base conversion 21491746

Base System Value
2 Binary 1010001111111000000100010
3 Ternary 1111102220010121
4 Quaternary 1101333000202
5 Quinary 21000213441
6 Senary 2044350454
8 Octal 121770042
10 Decimal 21491746
12 Duodecimal 724542a
16 Hexadecimal 147f022
20 Vigesimal 6e6976
36 Base36 csn4y

Cryptographic Hash Functions

md5 5ba2bec29804603c832a536185d548ff
sha1 bf1d620257e01e359857f3e885d73ea9f6296d8c
sha256 a110b0ba896cc00ec08842a232faf25fe557c4a405dc02c5909b0b61c4066f13
sha512 2e5ca7f5a871e351d2ae85fc2d6bca23058390957715d9b2bb0c1d6926eb3ed413839755e5e7dad6dc14b4720b30240cbda3661ea4fef7e0a92cf2d69565e20a
ripemd-160 c09bf97fa7a37403936c662ef668561458f2dafc

21491746 as geometric shapes

Circle

Radius = n
Diameter 42983492
Circumference 135036622.69284
Area 1.4510863978061E+15

Sphere

Radius = n
Volume 4.1581840380939E+22
Surface area 5.8043455912245E+15
Circumference 135036622.69284

Square

Length = n
Perimeter 85966984
Area 461895146128516
Diagonal 30393918.672278

Cube

Length = n
Surface area 2771370876771096
Volume 9.9269331592269E+21
Space diagonal 37224796.015365

Equilateral Triangle

Length = n
Perimeter 64475238
Area 2.0000646521601E+14
Altitude 18612398.007683

Triangular Pyramid

Length = n
Surface area 2.0000646521601E+14
Volume 1.1699002922125E+21
Height 10131306.224093