21898971 (number)

21898971 is an odd 8-digits composite number following 21898970 and preceding 21898972. In scientific notation, it is written as 2.1898971 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 14290272 positive integers (up to 21898971) that are relatively prime to 21898971.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1898971 × 10^7
Engineering notation 2.1898971 × 10^6

Prime Factorization of 21898971

Prime Factorization 9 × 3 × 59 × 59 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 371169
Product of the distinct prime numbers

The prime factorization of 21898971 is 9 × 3 × 59 × 59 × 233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 7, 4, 731, 205, 5843, 1976, 1552, 84369, 488927, 495226, 7988138, 9311950, 23372956, 83027911, 63425587, 809374630, 1894532262, 4427868729

Basic calculations (n = 21898971)

Multiplication

n×y
n×2 43797942
n×3 65696913
n×4 87595884
n×5 109494855

Division

n÷y
n÷2 10949485.5
n÷3 7299657
n÷3 5474742.75
n÷5 4379794.2

Exponentiation

ny
n2 479564930858841
n3 1.0501978513495E+22
n4 2.2998252290964E+29
n5 5.0363805997052E+36

Nth Root

y√n
2√n 4679.6336395064
3√n 279.77435477144
4√n 68.407847791802
5√n 29.382229166627

Divisors of 21898971

1, 3, 9, 27, 59, 177, 233, 531, 699, 1593, 2097, 3481, 6291, 10443, 13747, 31329, 41241, 93987, 123723, 371169, 811073, 2433219, 7299657, 21898971

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 -21898970
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 21898971 can be divided by 24 positive divisors. The sum of these divisors (counting 21898971) is 1, the average is 0.041666666666667.

Base conversion 21898971

Base System Value
2 Binary 1010011100010011011011011
3 Ternary 1112012120202000
4 Quaternary 1103202123123
5 Quinary 21101231341
6 Senary 2101212043
8 Octal 123423333
10 Decimal 21898971
12 Duodecimal 7401023
16 Hexadecimal 14e26db
20 Vigesimal 6gh78b
36 Base36 d1dcr

Cryptographic Hash Functions

md5 1cf921a35a04b51d62b686a31f323646
sha1 a1d1067033d8d93a46b516530b09b9075b3b6c82
sha256 1c9bc2dc57705c8ecdbd0c3f068daaa3a737288b5b7d6e763cc50d5975794407
sha512 98d74b6c68780f034c3e424cdfdfc0b79127b6803aa60190e33659831efa4eabdfd30aae9f3cde03e82bb554d1dd3ce3a224c8808d362ca4436d769ff342f956
ripemd-160 c8a4d2059ada8988f711356c20cdad116e49eb3c

21898971 as geometric shapes

Circle

Radius = n
Diameter 43797942
Circumference 137595292.82955
Area 1.5065976637054E+15

Sphere

Radius = n
Volume 4.3990584728204E+22
Surface area 6.0263906548217E+15
Circumference 137595292.82955

Square

Length = n
Perimeter 87595884
Area 479564930858841
Diagonal 30969821.790215

Cube

Length = n
Surface area 2877389585153046
Volume 1.0501978513495E+22
Space diagonal 37930130.405477

Equilateral Triangle

Length = n
Perimeter 65696913
Area 2.0765770644394E+14
Altitude 18965065.202739

Triangular Pyramid

Length = n
Surface area 2.0765770644394E+14
Volume 1.2376700371279E+21
Height 10323273.930072