21474945 (number)

21474945 is an odd 8-digits composite number following 21474944 and preceding 21474946. In scientific notation, it is written as 2.1474945 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 11453280 positive integers (up to 21474945) that are relatively prime to 21474945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1474945 × 10^7
Engineering notation 2.1474945 × 10^6

Prime Factorization of 21474945

Prime Factorization 45 × 477221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21474945
Product of the distinct prime numbers

The prime factorization of 21474945 is 45 × 477221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 21, 18, 150, 699, 3844, 9681, 62505, 75702, 848470, 545653, 932105, 5198695, 41293872, 56218480, 273311807, 821799841, 3687046773, 123850631

Basic calculations (n = 21474945)

Multiplication

n×y
n×2 42949890
n×3 64424835
n×4 85899780
n×5 107374725

Division

n÷y
n÷2 10737472.5
n÷3 7158315
n÷3 5368736.25
n÷5 4294989

Exponentiation

ny
n2 461173262753025
n3 9.9036704530918E+21
n4 2.1268077827827E+29
n5 4.5673080160831E+36

Nth Root

y√n
2√n 4634.1067100359
3√n 277.95683214271
4√n 68.074273481514
5√n 29.267552903134

Divisors of 21474945

1, 45, 477221, 21474945

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 -21474944
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 21474945 can be divided by 4 positive divisors. The sum of these divisors (counting 21474945) is 1, the average is 0.25.

Base conversion 21474945

Base System Value
2 Binary 1010001111010111010000001
3 Ternary 1111102001002100
4 Quaternary 1101322322001
5 Quinary 20444144240
6 Senary 2044141013
8 Octal 121727201
10 Decimal 21474945
12 Duodecimal 7237769
16 Hexadecimal 147ae81
20 Vigesimal 6e4775
36 Base36 csa69

Cryptographic Hash Functions

md5 b60ca3e55738086e090850896db53f4b
sha1 3b95abb204f26b924c0fe95707c8e9d5253cfdcc
sha256 69c8f1ca61b5c8db7f3e5ff1d306084720a439df697ec04b48dc801564c85975
sha512 041e1d3cdad29792f66d40b53868e93faabf376089de892916f1ac6db58bfee2b1565ad6c1224e0fadae3233811cb6e70c8d764552ff44f1d757af9c01b79f0d
ripemd-160 4d625746c5c2be354324374478fe166e0bf3efc1

21474945 as geometric shapes

Circle

Radius = n
Diameter 42949890
Circumference 134931058.89649
Area 1.4488185342969E+15

Sphere

Radius = n
Volume 4.1484397785343E+22
Surface area 5.7952741371878E+15
Circumference 134931058.89649

Square

Length = n
Perimeter 85899780
Area 461173262753025
Diagonal 30370158.470216

Cube

Length = n
Surface area 2767039576518150
Volume 9.9036704530918E+21
Space diagonal 37195695.829747

Equilateral Triangle

Length = n
Perimeter 64424835
Area 1.9969388054514E+14
Altitude 18597847.914874

Triangular Pyramid

Length = n
Surface area 1.9969388054514E+14
Volume 1.167158756003E+21
Height 10123386.156739