21887923 (number)

21887923 is an odd 8-digits composite number following 21887922 and preceding 21887924. In scientific notation, it is written as 2.1887923 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21867408 positive integers (up to 21887923) that are relatively prime to 21887923.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred eighty-seven thousand nine hundred twenty-three

Notation

Scientific notation 2.1887923 × 10^7
Engineering notation 2.1887923 × 10^6

Prime Factorization of 21887923

Prime Factorization 1129 × 19387

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21887923
Product of the distinct prime numbers

The prime factorization of 21887923 is 1129 × 19387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 72, 57, 861, 6, 115, 5883, 41184, 77599, 473016, 673607, 8027514, 7954372, 10549705, 47968684, 564605070, 311944202, 7850620263, 5293457323

Basic calculations (n = 21887923)

Multiplication

n×y
n×2 43775846
n×3 65663769
n×4 87551692
n×5 109439615

Division

n÷y
n÷2 10943961.5
n÷3 7295974.3333333
n÷3 5471980.75
n÷5 4377584.6

Exponentiation

ny
n2 479081173253929
n3 1.0486091830932E+22
n4 2.2951877056636E+29
n5 5.0236891772112E+36

Nth Root

y√n
2√n 4678.4530562997
3√n 279.72729826804
4√n 68.399218243337
5√n 29.37926390954

Divisors of 21887923

1, 1129, 19387, 21887923

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 -21887922
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 21887923 can be divided by 4 positive divisors. The sum of these divisors (counting 21887923) is 1, the average is 0.25.

Base conversion 21887923

Base System Value
2 Binary 1010011011111101110110011
3 Ternary 1112012000120211
4 Quaternary 1103133232303
5 Quinary 21100403143
6 Senary 2101044551
8 Octal 123375663
10 Decimal 21887923
12 Duodecimal 73b6757
16 Hexadecimal 14dfbb3
20 Vigesimal 6gfjg3
36 Base36 d14tv

Cryptographic Hash Functions

md5 be72bdbb2bc768a6c64ebd4148c4258b
sha1 281ac69d241e9c5796c90d643cdf0cd57b58823f
sha256 96850934941987e3a8581d24c4947796a179c64c5b45142ca93f2faad302fe6d
sha512 526a813f7057471808fcd725107dd08492336121eca94f74643040ce675093db95d97176292d160ddf3c680ca5d659b99d1b7f26d7290e6ae297e9d0a46a2a89
ripemd-160 81c3e05257f6d1e40780bcadf82893ec6ce5e6ec

21887923 as geometric shapes

Circle

Radius = n
Diameter 43775846
Circumference 137525876.19828
Area 1.5050778943677E+15

Sphere

Radius = n
Volume 4.3924038747897E+22
Surface area 6.0203115774709E+15
Circumference 137525876.19828

Square

Length = n
Perimeter 87551692
Area 479081173253929
Diagonal 30954197.558778

Cube

Length = n
Surface area 2874487039523574
Volume 1.0486091830932E+22
Space diagonal 37910994.708155

Equilateral Triangle

Length = n
Perimeter 65663769
Area 2.0744823325638E+14
Altitude 18955497.354078

Triangular Pyramid

Length = n
Surface area 2.0744823325638E+14
Volume 1.2357977736328E+21
Height 10318065.852926