21943145 (number)

21943145 is an odd 8-digits composite number following 21943144 and preceding 21943146. In scientific notation, it is written as 2.1943145 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 15046704 positive integers (up to 21943145) that are relatively prime to 21943145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1943145 × 10^7
Engineering notation 2.1943145 × 10^6

Prime Factorization of 21943145

Prime Factorization 5 × 7 × 626947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21943145
Product of the distinct prime numbers

The prime factorization of 21943145 is 5 × 7 × 626947. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21943145)

Multiplication

n×y
n×2 43886290
n×3 65829435
n×4 87772580
n×5 109715725

Division

n÷y
n÷2 10971572.5
n÷3 7314381.6666667
n÷3 5485786.25
n÷5 4388629

Exponentiation

ny
n2 481501612491025
n3 1.0565659700624E+22
n4 2.3184380283146E+29
n5 5.0873821828821E+36

Nth Root

y√n
2√n 4684.3510756561
3√n 279.96234612708
4√n 68.442319332823
5√n 29.394073418095

Divisors of 21943145

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 -21943144
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 21943145 can be divided by 8 positive divisors. The sum of these divisors (counting 21943145) is 1, the average is 0.125.

Base conversion 21943145

Base System Value
2 Binary 1010011101101001101101001
3 Ternary 1112021211100002
4 Quaternary 1103231031221
5 Quinary 21104140040
6 Senary 2102152345
8 Octal 123551551
10 Decimal 21943145
12 Duodecimal 74226b5
16 Hexadecimal 14ed369
20 Vigesimal 6h2hh5
36 Base36 d2bft

Cryptographic Hash Functions

md5 ff390a7f1258f9621ce933636d41117a
sha1 bdcbd1a2b1bf9441d6fe3a500ec09b72832f2eed
sha256 46c2d49e540b984526c227fd8bc47df9e4a8e67f1d3a9eabe29d7a0a4dbceb7f
sha512 019c4de269a7098e9999d58eb425d0dad333a78467d95388c90c8ced8ef487dfe2cb30aa2f3d6cd2518e3b9459b0404291ab8a4837524bef0ea8e18094a60d65
ripemd-160 737c23f131324584d38b3f95177e2d0c34bb0142

21943145 as geometric shapes

Circle

Radius = n
Diameter 43886290
Circumference 137872846.25731
Area 1.5126819284934E+15

Sphere

Radius = n
Volume 4.4257331861082E+22
Surface area 6.0507277139738E+15
Circumference 137872846.25731

Square

Length = n
Perimeter 87772580
Area 481501612491025
Diagonal 31032293.260119

Cube

Length = n
Surface area 2889009674946150
Volume 1.0565659700624E+22
Space diagonal 38006642.017851

Equilateral Triangle

Length = n
Perimeter 65829435
Area 2.084963141902E+14
Altitude 19003321.008925

Triangular Pyramid

Length = n
Surface area 2.084963141902E+14
Volume 1.2451749370035E+21
Height 10344097.753373