21887838 (number)

21887838 is an even 8-digits composite number following 21887837 and preceding 21887839. In scientific notation, it is written as 2.1887838 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 6253632 positive integers (up to 21887838) that are relatively prime to 21887838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1887838 × 10^7
Engineering notation 2.1887838 × 10^6

Prime Factorization of 21887838

Prime Factorization 2 × 3 × 3 × 7 × 173713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7295946
Product of the distinct prime numbers

The prime factorization of 21887838 is 2 × 3 × 3 × 7 × 173713. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 7, 87, 38, 685, 592, 3023, 1004, 66416, 874552, 767169, 8108167, 1840837, 97859597, 23058089, 538686045, 490183868, 4189803376, 9096409812

Basic calculations (n = 21887838)

Multiplication

n×y
n×2 43775676
n×3 65663514
n×4 87551352
n×5 109439190

Division

n÷y
n÷2 10943919
n÷3 7295946
n÷3 5471959.5
n÷5 4377567.6

Exponentiation

ny
n2 479077452314244
n3 1.0485969665707E+22
n4 2.2951520531591E+29
n5 5.0235916324913E+36

Nth Root

y√n
2√n 4678.4439720916
3√n 279.72693616803
4√n 68.399151837516
5√n 29.3792410911

Divisors of 21887838

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173713, 347426, 521139, 1042278, 1215991, 1563417, 2431982, 3126834, 3647973, 7295946, 10943919, 21887838

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21887837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21887838 can be divided by 24 positive divisors. The sum of these divisors (counting 21887838) is 1, the average is 0.041666666666667.

Base conversion 21887838

Base System Value
2 Binary 1010011011111101101011110
3 Ternary 1112012000110200
4 Quaternary 1103133231132
5 Quinary 21100402323
6 Senary 2101044330
8 Octal 123375536
10 Decimal 21887838
12 Duodecimal 73b66a6
16 Hexadecimal 14dfb5e
20 Vigesimal 6gfjbi
36 Base36 d14ri

Cryptographic Hash Functions

md5 e08840a4f21d6bd5dfc429b96ddccbec
sha1 291a0388a0f668b7c345543d84db6236db579be4
sha256 ff1b6d70cabe129e7da03bda73d76bd6d905e648e0866361b3f68b5e074e1042
sha512 5229cfe3b54b7957b92910f2cbb6169ba92e6aa8d2955c3083197bc4c3ba06ee6833fa6baf633737f94a7b8309d87f6e2b3cbb1d04b16d5d370e50ca3d83b8f3
ripemd-160 14c731b046c2034f6f5562a422e1bd7b1d0ea18a

21887838 as geometric shapes

Circle

Radius = n
Diameter 43775676
Circumference 137525342.12753
Area 1.5050662046909E+15

Sphere

Radius = n
Volume 4.39235270234E+22
Surface area 6.0202648187638E+15
Circumference 137525342.12753

Square

Length = n
Perimeter 87551352
Area 479077452314244
Diagonal 30954077.350625

Cube

Length = n
Surface area 2874464713885464
Volume 1.0485969665707E+22
Space diagonal 37910847.483837

Equilateral Triangle

Length = n
Perimeter 65663514
Area 2.0744662204223E+14
Altitude 18955423.741918

Triangular Pyramid

Length = n
Surface area 2.0744662204223E+14
Volume 1.235783376323E+21
Height 10318025.783542