21998942 (number)

21998942 is an even 8-digits composite number following 21998941 and preceding 21998943. In scientific notation, it is written as 2.1998942 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 9171792 positive integers (up to 21998942) that are relatively prime to 21998942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1998942 × 10^7
Engineering notation 2.1998942 × 10^6

Prime Factorization of 21998942

Prime Factorization 2 × 7 × 7 × 37 × 6067

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3142706
Product of the distinct prime numbers

The prime factorization of 21998942 is 2 × 7 × 7 × 37 × 6067. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998942)

Multiplication

n×y
n×2 43997884
n×3 65996826
n×4 87995768
n×5 109994710

Division

n÷y
n÷2 10999471
n÷3 7332980.6666667
n÷3 5499735.5
n÷5 4399788.4

Exponentiation

ny
n2 483953449119364
n3 1.0646463857877E+22
n4 2.3421094091453E+29
n5 5.1523929049441E+36

Nth Root

y√n
2√n 4690.3029752885
3√n 280.19944123958
4√n 68.485786666202
5√n 29.409006878875

Divisors of 21998942

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998942 can be divided by 24 positive divisors. The sum of these divisors (counting 21998942) is 1, the average is 0.041666666666667.

Base conversion 21998942

Base System Value
2 Binary 1010011111010110101011110
3 Ternary 1112101122212122
4 Quaternary 1103322311132
5 Quinary 21112431232
6 Senary 2103302542
8 Octal 123726536
10 Decimal 21998942
12 Duodecimal 744aa52
16 Hexadecimal 14fad5e
20 Vigesimal 6h9h72
36 Base36 d3ihq

Cryptographic Hash Functions

md5 63dc674c4009a647bc8584e532c0b171
sha1 96df3b86139655ac763bb8a56587bd80a139dc0c
sha256 da4a75a6af0d83e9d9bfc39b7a14758a5ffb08d251cb271bfdb7e613458ecb14
sha512 52b7ead0a689f0f8048af3c27e325b0b84019afd28a5bcb725847845c1b64a20d423b4cb0c2e52aad4c1964cdb2f35a3bb26def5986ddb88e9f2067448c27fc1
ripemd-160 d0b5602308a41b3cce1f9a7f616db0d8c6ba9ad2

21998942 as geometric shapes

Circle

Radius = n
Diameter 43997884
Circumference 138223429.1479
Area 1.5203846004328E+15

Sphere

Radius = n
Volume 4.4595803523487E+22
Surface area 6.0815384017313E+15
Circumference 138223429.1479

Square

Length = n
Perimeter 87995768
Area 483953449119364
Diagonal 31111202.134259

Cube

Length = n
Surface area 2903720694716184
Volume 1.0646463857877E+22
Space diagonal 38103285.256761

Equilateral Triangle

Length = n
Perimeter 65996826
Area 2.0955799059323E+14
Altitude 19051642.62838

Triangular Pyramid

Length = n
Surface area 2.0955799059323E+14
Volume 1.2546977982604E+21
Height 10370400.71142