21897072 (number)

21897072 is an even 8-digits composite number following 21897071 and preceding 21897073. In scientific notation, it is written as 2.1897072 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors. There are 7298976 positive integers (up to 21897072) that are relatively prime to 21897072.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand seventy-two

Notation

Scientific notation 2.1897072 × 10^7
Engineering notation 2.1897072 × 10^6

Prime Factorization of 21897072

Prime Factorization 2 × 2 × 2 × 2 × 9 × 152063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2737134
Product of the distinct prime numbers

The prime factorization of 21897072 is 2 × 2 × 2 × 2 × 9 × 152063. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 7, 95, 41, 804, 474, 6955, 4966, 33500, 58891, 296534, 8004, 4329774, 3789049, 79826458, 50212664, 111163615, 510059520, 8471676121, 8829208578

Basic calculations (n = 21897072)

Multiplication

n×y
n×2 43794144
n×3 65691216
n×4 87588288
n×5 109485360

Division

n÷y
n÷2 10948536
n÷3 7299024
n÷3 5474268
n÷5 4379414.4

Exponentiation

ny
n2 479481762173184
n3 1.0499246668993E+22
n4 2.299027602567E+29
n5 5.0341972943397E+36

Nth Root

y√n
2√n 4679.4307346086
3√n 279.76626752908
4√n 68.406364722946
5√n 29.381719564704

Divisors of 21897072

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 152063, 304126, 608252, 1216504, 1368567, 2433008, 2737134, 5474268, 10948536, 21897072

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897072 can be divided by 20 positive divisors. The sum of these divisors (counting 21897072) is 1, the average is 0.05.

Base conversion 21897072

Base System Value
2 Binary 1010011100001111101110000
3 Ternary 1112012111010200
4 Quaternary 1103201331300
5 Quinary 21101201242
6 Senary 2101155200
8 Octal 123417560
10 Decimal 21897072
12 Duodecimal 73bbb00
16 Hexadecimal 14e1f70
20 Vigesimal 6gh2dc
36 Base36 d1bw0

Cryptographic Hash Functions

md5 67611eafb64fb47ef2f269d70c669292
sha1 e284a8485eea0b88b56c0a2cd84da9507726edc6
sha256 17564d43707820f74239ea1c73012878912767101f2ab22fe4b6d0501cce29cc
sha512 077f03abe0d70ce4d21796c7b81162e4af593e6c0f35c21c8189c7451af878d9840dfad5dccc53fec8e29d5cd7ebb5f8897516e883f4d87a70e32a243db3b7b6
ripemd-160 73b5e7a48d8bd3bc22911e633eab44a68898549d

21897072 as geometric shapes

Circle

Radius = n
Diameter 43794144
Circumference 137583361.06065
Area 1.5063363815736E+15

Sphere

Radius = n
Volume 4.3979141604714E+22
Surface area 6.0253455262943E+15
Circumference 137583361.06065

Square

Length = n
Perimeter 87588288
Area 479481762173184
Diagonal 30967136.19866

Cube

Length = n
Surface area 2876890573039104
Volume 1.0499246668993E+22
Space diagonal 37926841.240994

Equilateral Triangle

Length = n
Perimeter 65691216
Area 2.0762169334665E+14
Altitude 18963420.620497

Triangular Pyramid

Length = n
Surface area 2.0762169334665E+14
Volume 1.2373480861659E+21
Height 10322378.732887