21949105 (number)

21949105 is an odd 8-digits composite number following 21949104 and preceding 21949106. In scientific notation, it is written as 2.1949105 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17559280 positive integers (up to 21949105) that are relatively prime to 21949105.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-nine thousand one hundred five

Notation

Scientific notation 2.1949105 × 10^7
Engineering notation 2.1949105 × 10^6

Prime Factorization of 21949105

Prime Factorization 5 × 4389821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21949105
Product of the distinct prime numbers

The prime factorization of 21949105 is 5 × 4389821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21949105)

Multiplication

n×y
n×2 43898210
n×3 65847315
n×4 87796420
n×5 109745525

Division

n÷y
n÷2 10974552.5
n÷3 7316368.3333333
n÷3 5487276.25
n÷5 4389821

Exponentiation

ny
n2 481763210301025
n3 1.0574271288034E+22
n4 2.3209579079955E+29
n5 5.0942948823173E+36

Nth Root

y√n
2√n 4684.9871931522
3√n 279.98769078541
4√n 68.446966281583
5√n 29.395669995499

Divisors of 21949105

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 -21949104
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 21949105 can be divided by 4 positive divisors. The sum of these divisors (counting 21949105) is 1, the average is 0.25.

Base conversion 21949105

Base System Value
2 Binary 1010011101110101010110001
3 Ternary 1112022010111211
4 Quaternary 1103232222301
5 Quinary 21104332410
6 Senary 2102240121
8 Octal 123565261
10 Decimal 21949105
12 Duodecimal 7426041
16 Hexadecimal 14eeab1
20 Vigesimal 6h3cf5
36 Base36 d2g1d

Cryptographic Hash Functions

md5 8d0edfc98ce7eae6081716c52acc4ea0
sha1 cd0b65e0634299456942e94b97b935a68cf29ca1
sha256 698a0aefd73e51fe0d33b72b3944c9ed28f37a2e1886eca810956ac0da3f8c92
sha512 ef7a19cd8607db262da44831375e402cd7129db9e8ab4ae346fe52808fc0daf9d89191a70bdb3086f5934f86d27a529938609c9afab72f1c6f60b5fcf27e0749
ripemd-160 f244118947c5adf0f12d0320fa503b9827f0b219

21949105 as geometric shapes

Circle

Radius = n
Diameter 43898210
Circumference 137910294.04174
Area 1.5135037622515E+15

Sphere

Radius = n
Volume 4.4293403994072E+22
Surface area 6.0540150490061E+15
Circumference 137910294.04174

Square

Length = n
Perimeter 87796420
Area 481763210301025
Diagonal 31040721.972951

Cube

Length = n
Surface area 2890579261806150
Volume 1.0574271288034E+22
Space diagonal 38016965.040664

Equilateral Triangle

Length = n
Perimeter 65847315
Area 2.0860958936472E+14
Altitude 19008482.520332

Triangular Pyramid

Length = n
Surface area 2.0860958936472E+14
Volume 1.2461898223125E+21
Height 10346907.324317