21356789 (number)

21356789 is an odd 8-digits composite number following 21356788 and preceding 21356790. In scientific notation, it is written as 2.1356789 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 20620320 positive integers (up to 21356789) that are relatively prime to 21356789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1356789 × 10^7
Engineering notation 2.1356789 × 10^6

Prime Factorization of 21356789

Prime Factorization 29 × 736441

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21356789
Product of the distinct prime numbers

The prime factorization of 21356789 is 29 × 736441. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21356789)

Multiplication

n×y
n×2 42713578
n×3 64070367
n×4 85427156
n×5 106783945

Division

n÷y
n÷2 10678394.5
n÷3 7118929.6666667
n÷3 5339197.25
n÷5 4271357.8

Exponentiation

ny
n2 456112436390521
n3 9.7410970642683E+21
n4 2.080385546301E+29
n5 4.4430355151E+36

Nth Root

y√n
2√n 4621.3406063609
3√n 277.44611782883
4√n 67.98044282263
5√n 29.235275540603

Divisors of 21356789

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 -21356788
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 21356789 can be divided by 4 positive divisors. The sum of these divisors (counting 21356789) is 1, the average is 0.25.

Base conversion 21356789

Base System Value
2 Binary 1010001011110000011110101
3 Ternary 1111012001000012
4 Quaternary 1101132003311
5 Quinary 20431404124
6 Senary 2041430005
8 Octal 121360365
10 Decimal 21356789
12 Duodecimal 719b305
16 Hexadecimal 145e0f5
20 Vigesimal 6d9bj9
36 Base36 cpr05

Cryptographic Hash Functions

md5 8569086d760e62b38332a46850a22578
sha1 383aebe062326084b0a93341e2e98f888173ae06
sha256 86c99b09180d1385776ae3e262d6db1aa98c4c198c5fa47b8eb318e632b16de1
sha512 58cc9369c1a5ff06ffe56cc89cc93c66cf012d96a3a0ac192ec2b72688b68ea901d6afd94fe1dafb6fbe5b8e00c0586a0bc1dd128f06c2f9e4ef1e0039fcf2b8
ripemd-160 9056788ce584e5d69019f76e607322d0a0da4ef3

21356789 as geometric shapes

Circle

Radius = n
Diameter 42713578
Circumference 134188662.85333
Area 1.4329194793754E+15

Sphere

Radius = n
Volume 4.080341196668E+22
Surface area 5.7316779175016E+15
Circumference 134188662.85333

Square

Length = n
Perimeter 85427156
Area 456112436390521
Diagonal 30203060.652541

Cube

Length = n
Surface area 2736674618343126
Volume 9.7410970642683E+21
Space diagonal 36991043.634528

Equilateral Triangle

Length = n
Perimeter 64070367
Area 1.975024784481E+14
Altitude 18495521.817264

Triangular Pyramid

Length = n
Surface area 1.975024784481E+14
Volume 1.1479992983901E+21
Height 10067686.88418