21921738 (number)

21921738 is an even 8-digits composite number following 21921737 and preceding 21921739. In scientific notation, it is written as 2.1921738 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6639360 positive integers (up to 21921738) that are relatively prime to 21921738.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1921738 × 10^7
Engineering notation 2.1921738 × 10^6

Prime Factorization of 21921738

Prime Factorization 2 × 3 × 29 × 17 × 7411

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21921738
Product of the distinct prime numbers

The prime factorization of 21921738 is 2 × 3 × 29 × 17 × 7411. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 72, 49, 815, 262, 5523, 6716, 63701, 4135, 893716, 157469, 2493763, 7502927, 74544731, 88427166, 199085962, 383392783, 3950934962, 6677430073

Basic calculations (n = 21921738)

Multiplication

n×y
n×2 43843476
n×3 65765214
n×4 87686952
n×5 109608690

Division

n÷y
n÷2 10960869
n÷3 7307246
n÷3 5480434.5
n÷5 4384347.6

Exponentiation

ny
n2 480562596940644
n3 1.0534767342732E+22
n4 2.3094040957834E+29
n5 5.062615152389E+36

Nth Root

y√n
2√n 4682.06556981
3√n 279.87127586486
4√n 68.425620711909
5√n 29.388336003341

Divisors of 21921738

1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 174, 493, 986, 1479, 2958, 7411, 14822, 22233, 44466, 125987, 214919, 251974, 377961, 429838, 644757, 755922, 1289514, 3653623, 7307246, 10960869, 21921738

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921738 can be divided by 32 positive divisors. The sum of these divisors (counting 21921738) is 1, the average is 0.03125.

Base conversion 21921738

Base System Value
2 Binary 1010011100111111111001010
3 Ternary 1112020201222020
4 Quaternary 1103213333022
5 Quinary 21102443423
6 Senary 2101505310
8 Octal 123477712
10 Decimal 21921738
12 Duodecimal 7412236
16 Hexadecimal 14e7fca
20 Vigesimal 6h046i
36 Base36 d1ux6

Cryptographic Hash Functions

md5 a4316f13d12fe1631a1af38418a9c359
sha1 8de5f0963e4d13380108ba3c6f0ee76bfe6de8b3
sha256 879c7c86da5f8ba5a88b9ee19918571fd9972725b5daddbf06fef5d54c43beeb
sha512 417b7fcc8a58e4f5a4a14b8bcdd366dec921224210b5cb785e36cb95ae4d5c4337a3c31d53873c0628b2c992854a4547206f7c4f42caab7841083dba25b41b2a
ripemd-160 fdce9046e98863ce4963b886587a09a59f89b8c0

21921738 as geometric shapes

Circle

Radius = n
Diameter 43843476
Circumference 137738342.10944
Area 1.5097319241388E+15

Sphere

Radius = n
Volume 4.4127930254941E+22
Surface area 6.038927696555E+15
Circumference 137738342.10944

Square

Length = n
Perimeter 87686952
Area 480562596940644
Diagonal 31002019.19039

Cube

Length = n
Surface area 2883375581643864
Volume 1.0534767342732E+22
Space diagonal 37969564.006213

Equilateral Triangle

Length = n
Perimeter 65765214
Area 2.0808970852961E+14
Altitude 18984782.003107

Triangular Pyramid

Length = n
Surface area 2.0808970852961E+14
Volume 1.2415342377114E+21
Height 10334006.396797