21356739 (number)

21356739 is an odd 8-digits composite number following 21356738 and preceding 21356740. In scientific notation, it is written as 2.1356739 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 14237820 positive integers (up to 21356739) that are relatively prime to 21356739.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand seven hundred thirty-nine

Notation

Scientific notation 2.1356739 × 10^7
Engineering notation 2.1356739 × 10^6

Prime Factorization of 21356739

Prime Factorization 9 × 2372971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21356739
Product of the distinct prime numbers

The prime factorization of 21356739 is 9 × 2372971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 56, 24, 764, 939, 150, 6803, 11061, 12102, 225123, 20498, 4288656, 9771714, 19356450, 48216432, 544868297, 245431147, 6160941250, 527311027

Basic calculations (n = 21356739)

Multiplication

n×y
n×2 42713478
n×3 64070217
n×4 85426956
n×5 106783695

Division

n÷y
n÷2 10678369.5
n÷3 7118913
n÷3 5339184.75
n÷5 4271347.8

Exponentiation

ny
n2 456110300714121
n3 9.741028647563E+21
n4 2.0803660641753E+29
n5 4.4429835057048E+36

Nth Root

y√n
2√n 4621.3351966721
3√n 277.44590131194
4√n 67.980403034051
5√n 29.235261851605

Divisors of 21356739

1, 9, 2372971, 21356739

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 -21356738
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 21356739 can be divided by 4 positive divisors. The sum of these divisors (counting 21356739) is 1, the average is 0.25.

Base conversion 21356739

Base System Value
2 Binary 1010001011110000011000011
3 Ternary 1111012000221100
4 Quaternary 1101132003003
5 Quinary 20431403424
6 Senary 2041425443
8 Octal 121360303
10 Decimal 21356739
12 Duodecimal 719b283
16 Hexadecimal 145e0c3
20 Vigesimal 6d9bgj
36 Base36 cpqyr

Cryptographic Hash Functions

md5 d8e84f431214c6965024708aacedbe79
sha1 c14cab1fed888157902352603b85b801ff1cc776
sha256 33d9567f56f0b73d8f7c65cee5daba06a5e87f35f071a4e91d96b568782c2407
sha512 988db31655ff4817af7880fd944c5656c08c48b4874b17772e7fd40ab29aabe5f1f6ca60e2d24ba46d38053a1e99669a9a8f80332218e489715d4d4e58524709
ripemd-160 b1e1506ca6f2d45c5c900ba8e908ef28375681cb

21356739 as geometric shapes

Circle

Radius = n
Diameter 42713478
Circumference 134188348.69407
Area 1.4329127699501E+15

Sphere

Radius = n
Volume 4.0803125383456E+22
Surface area 5.7316510798005E+15
Circumference 134188348.69407

Square

Length = n
Perimeter 85426956
Area 456110300714121
Diagonal 30202989.941862

Cube

Length = n
Surface area 2736661804284726
Volume 9.741028647563E+21
Space diagonal 36990957.031988

Equilateral Triangle

Length = n
Perimeter 64070217
Area 1.9750155367309E+14
Altitude 18495478.515994

Triangular Pyramid

Length = n
Surface area 1.9750155367309E+14
Volume 1.147991235404E+21
Height 10067663.313954