21897974 (number)

21897974 is an even 8-digits composite number following 21897973 and preceding 21897975. In scientific notation, it is written as 2.1897974 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 9349992 positive integers (up to 21897974) that are relatively prime to 21897974.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897974 × 10^7
Engineering notation 2.1897974 × 10^6

Prime Factorization of 21897974

Prime Factorization 2 × 7 × 283 × 5527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21897974
Product of the distinct prime numbers

The prime factorization of 21897974 is 2 × 7 × 283 × 5527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 38, 9, 237, 346, 9019, 8944, 9987, 80364, 830287, 762860, 2657616, 4402367, 11471919, 26682880, 626895340, 111534643, 6572582891, 7829969463

Basic calculations (n = 21897974)

Multiplication

n×y
n×2 43795948
n×3 65693922
n×4 87591896
n×5 109489870

Division

n÷y
n÷2 10948987
n÷3 7299324.6666667
n÷3 5474493.5
n÷5 4379594.8

Exponentiation

ny
n2 479521265304676
n3 1.0500544200089E+22
n4 2.299406438794E+29
n5 5.0352342412143E+36

Nth Root

y√n
2√n 4679.5271128609
3√n 279.77010892103
4√n 68.407069173155
5√n 29.381961623317

Divisors of 21897974

1, 2, 7, 14, 283, 566, 1981, 3962, 5527, 11054, 38689, 77378, 1564141, 3128282, 10948987, 21897974

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897973
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897974 can be divided by 16 positive divisors. The sum of these divisors (counting 21897974) is 1, the average is 0.0625.

Base conversion 21897974

Base System Value
2 Binary 1010011100010001011110110
3 Ternary 1112012112101002
4 Quaternary 1103202023312
5 Quinary 21101213344
6 Senary 2101203302
8 Octal 123421366
10 Decimal 21897974
12 Duodecimal 7400532
16 Hexadecimal 14e22f6
20 Vigesimal 6gh4ie
36 Base36 d1cl2

Cryptographic Hash Functions

md5 2bc1cbc9b192d346bfb8d072c587e9e8
sha1 9916a9c3425604cb22742e9550d0f539d34a4891
sha256 b3b10020b9be0573f2e022a322cb55cd614191565766c8f89d6a5f28bf6b08fc
sha512 2af1795e22e29a97a87edffc753eca6902ffbc134f11edb2b46e90c8e4018c417c8fbb89780072af7c1dde4a1825c69611ef0dac7117b59f19ed3c00a9c9859d
ripemd-160 e4e6e5cdb588c3e705d5a2f430728dbf6befee6a

21897974 as geometric shapes

Circle

Radius = n
Diameter 43795948
Circumference 137589028.4938
Area 1.5064604843213E+15

Sphere

Radius = n
Volume 4.3984576690259E+22
Surface area 6.025841937285E+15
Circumference 137589028.4938

Square

Length = n
Perimeter 87591896
Area 479521265304676
Diagonal 30968411.819293

Cube

Length = n
Surface area 2877127591828056
Volume 1.0500544200089E+22
Space diagonal 37928403.550822

Equilateral Triangle

Length = n
Perimeter 65693922
Area 2.0763879870435E+14
Altitude 18964201.775411

Triangular Pyramid

Length = n
Surface area 2.0763879870435E+14
Volume 1.237501001672E+21
Height 10322803.939764