21998943 (number)

21998943 is an odd 8-digits composite number following 21998942 and preceding 21998944. In scientific notation, it is written as 2.1998943 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 14607360 positive integers (up to 21998943) that are relatively prime to 21998943.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand nine hundred forty-three

Notation

Scientific notation 2.1998943 × 10^7
Engineering notation 2.1998943 × 10^6

Prime Factorization of 21998943

Prime Factorization 9 × 257 × 9511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21998943
Product of the distinct prime numbers

The prime factorization of 21998943 is 9 × 257 × 9511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998943)

Multiplication

n×y
n×2 43997886
n×3 65996829
n×4 87995772
n×5 109994715

Division

n÷y
n÷2 10999471.5
n÷3 7332981
n÷3 5499735.75
n÷5 4399788.6

Exponentiation

ny
n2 483953493117249
n3 1.0646465309737E+22
n4 2.3421098350039E+29
n5 5.152394075999E+36

Nth Root

y√n
2√n 4690.3030818914
3√n 280.19944548523
4√n 68.485787444487
5√n 29.409007146243

Divisors of 21998943

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 -21998942
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 21998943 can be divided by 8 positive divisors. The sum of these divisors (counting 21998943) is 1, the average is 0.125.

Base conversion 21998943

Base System Value
2 Binary 1010011111010110101011111
3 Ternary 1112101122212200
4 Quaternary 1103322311133
5 Quinary 21112431233
6 Senary 2103302543
8 Octal 123726537
10 Decimal 21998943
12 Duodecimal 744aa53
16 Hexadecimal 14fad5f
20 Vigesimal 6h9h73
36 Base36 d3ihr

Cryptographic Hash Functions

md5 09e3ba20c31710b1b33f769c2299fa5f
sha1 5744c686a717df36a07e67d05be240a5697e58ae
sha256 969a6915935a194462e03226c4e3dc1699814bc6f2b8406961fb50b135062a7a
sha512 d78322a0f24c808dba4d25dd15fadf94969ef5f16a94fb14d70074b0f7e05712513a9a5cf47e6470a5eaa2d94151ff695fa156addb61b150581c80e518be1858
ripemd-160 03b642c45f2a2736c622c69f5a7c9a65270f3a3f

21998943 as geometric shapes

Circle

Radius = n
Diameter 43997886
Circumference 138223435.43108
Area 1.5203847386563E+15

Sphere

Radius = n
Volume 4.4595809605026E+22
Surface area 6.0815389546251E+15
Circumference 138223435.43108

Square

Length = n
Perimeter 87995772
Area 483953493117249
Diagonal 31111203.548473

Cube

Length = n
Surface area 2903720958703494
Volume 1.0646465309737E+22
Space diagonal 38103286.988812

Equilateral Triangle

Length = n
Perimeter 65996829
Area 2.0955800964488E+14
Altitude 19051643.494406

Triangular Pyramid

Length = n
Surface area 2.0955800964488E+14
Volume 1.2546979693638E+21
Height 10370401.182824