21858428 (number)

21858428 is an even 8-digits composite number following 21858427 and preceding 21858429. In scientific notation, it is written as 2.1858428 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 10889760 positive integers (up to 21858428) that are relatively prime to 21858428.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred fifty-eight thousand four hundred twenty-eight

Notation

Scientific notation 2.1858428 × 10^7
Engineering notation 2.1858428 × 10^6

Prime Factorization of 21858428

Prime Factorization 2 × 2 × 281 × 19447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10929214
Product of the distinct prime numbers

The prime factorization of 21858428 is 2 × 2 × 281 × 19447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 34, 6, 923, 910, 6601, 7477, 78754, 94162, 213186, 556935, 5518958, 188263, 72480752, 78556848, 746164769, 296080899, 790606897, 143679378

Basic calculations (n = 21858428)

Multiplication

n×y
n×2 43716856
n×3 65575284
n×4 87433712
n×5 109292140

Division

n÷y
n÷2 10929214
n÷3 7286142.6666667
n÷3 5464607
n÷5 4371685.6

Exponentiation

ny
n2 477790874631184
n3 1.0443757432183E+22
n4 2.2828411988083E+29
n5 4.9899319979585E+36

Nth Root

y√n
2√n 4675.2997764849
3√n 279.60159324731
4√n 68.376163803514
5√n 29.37134165169

Divisors of 21858428

1, 2, 4, 281, 562, 1124, 19447, 38894, 77788, 5464607, 10929214, 21858428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21858427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21858428 can be divided by 12 positive divisors. The sum of these divisors (counting 21858428) is 1, the average is 0.083333333333333.

Base conversion 21858428

Base System Value
2 Binary 1010011011000100001111100
3 Ternary 1112010112010102
4 Quaternary 1103120201330
5 Quinary 21043432203
6 Senary 2100300232
8 Octal 123304174
10 Decimal 21858428
12 Duodecimal 73a1678
16 Hexadecimal 14d887c
20 Vigesimal 6gc618
36 Base36 d0i2k

Cryptographic Hash Functions

md5 3278f4064b3ce83195783017c1fcbc50
sha1 2bacccd81a01cfea16593f72feff101ca5631336
sha256 95a74c1045a426f6e7607fe21a5444c9ec7eeb2daa95f7402d3cf32fc3bae02e
sha512 39ceb478b94c373013c709b328e04ddaaa69b9188e778cc6fbde4476b3cb3f7db2df398db1a9cabe602ff21eccfcef1000e01a08bf2e6b7eecbb5e50a12dcd09
ripemd-160 0124f02e1c3a51f083e73c2512814fbd0db7fb22

21858428 as geometric shapes

Circle

Radius = n
Diameter 43716856
Circumference 137340553.64764
Area 1.5010243016936E+15

Sphere

Radius = n
Volume 4.3746708833092E+22
Surface area 6.0040972067743E+15
Circumference 137340553.64764

Square

Length = n
Perimeter 87433712
Area 477790874631184
Diagonal 30912485.329756

Cube

Length = n
Surface area 2866745247787104
Volume 1.0443757432183E+22
Space diagonal 37859907.869586

Equilateral Triangle

Length = n
Perimeter 65575284
Area 2.068895175635E+14
Altitude 18929953.934793

Triangular Pyramid

Length = n
Surface area 2.068895175635E+14
Volume 1.230808616894E+21
Height 10304161.776585