21998971 (number)

21998971 is an odd 8-digits composite number following 21998970 and preceding 21998972. In scientific notation, it is written as 2.1998971 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 21042472 positive integers (up to 21998971) that are relatively prime to 21998971.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand nine hundred seventy-one

Notation

Scientific notation 2.1998971 × 10^7
Engineering notation 2.1998971 × 10^6

Prime Factorization of 21998971

Prime Factorization 23 × 956477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21998971
Product of the distinct prime numbers

The prime factorization of 21998971 is 23 × 956477. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998971)

Multiplication

n×y
n×2 43997942
n×3 65996913
n×4 87995884
n×5 109994855

Division

n÷y
n÷2 10999485.5
n÷3 7332990.3333333
n÷3 5499742.75
n÷5 4399794.2

Exponentiation

ny
n2 483954725058841
n3 1.0646505961882E+22
n4 2.3421217590678E+29
n5 5.1524268656201E+36

Nth Root

y√n
2√n 4690.3060667722
3√n 280.19956436338
4√n 68.485809236456
5√n 29.409014632528

Divisors of 21998971

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 -21998970
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 21998971 can be divided by 4 positive divisors. The sum of these divisors (counting 21998971) is 1, the average is 0.25.

Base conversion 21998971

Base System Value
2 Binary 1010011111010110101111011
3 Ternary 1112101122220201
4 Quaternary 1103322311323
5 Quinary 21112431341
6 Senary 2103303031
8 Octal 123726573
10 Decimal 21998971
12 Duodecimal 744aa77
16 Hexadecimal 14fad7b
20 Vigesimal 6h9h8b
36 Base36 d3iij

Cryptographic Hash Functions

md5 9b18a171c6d0560e851a8112c7edd464
sha1 a1e7439eeef95a64b760d29311325d7f8bf8d23b
sha256 2dbde531bae1787824ba205294fc09ba7561a7892caf5e1aa04fa59a7f838881
sha512 84ffa31445742993c5f078136c774e51428ae61058226df4a2763a554d27026d189b1ff74f006b40e8155e77e5904662df264ad2dfa3c0645c6084cbb133da95
ripemd-160 e3d931e2899c12528aaf7b2ab3a2c088e6e78a58

21998971 as geometric shapes

Circle

Radius = n
Diameter 43997942
Circumference 138223611.36027
Area 1.5203886089149E+15

Sphere

Radius = n
Volume 4.4595979888333E+22
Surface area 6.0815544356597E+15
Circumference 138223611.36027

Square

Length = n
Perimeter 87995884
Area 483954725058841
Diagonal 31111243.146452

Cube

Length = n
Surface area 2903728350353046
Volume 1.0646505961882E+22
Space diagonal 38103335.486234

Equilateral Triangle

Length = n
Perimeter 65996913
Area 2.0955854309123E+14
Altitude 19051667.743117

Triangular Pyramid

Length = n
Surface area 2.0955854309123E+14
Volume 1.254702760265E+21
Height 10370414.382151