21887980 (number)

21887980 is an even 8-digits composite number following 21887979 and preceding 21887981. In scientific notation, it is written as 2.1887980 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 8738112 positive integers (up to 21887980) that are relatively prime to 21887980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1887980 × 10^7
Engineering notation 2.1887980 × 10^6

Prime Factorization of 21887980

Prime Factorization 2 × 2 × 5 × 853 × 1283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10943990
Product of the distinct prime numbers

The prime factorization of 21887980 is 2 × 2 × 5 × 853 × 1283. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 16, 98, 643, 96, 9098, 9738, 30863, 55685, 255325, 189850, 8030270, 4627042, 1736634, 20837628, 496233136, 583205002, 1600139733, 5807217772

Basic calculations (n = 21887980)

Multiplication

n×y
n×2 43775960
n×3 65663940
n×4 87551920
n×5 109439900

Division

n÷y
n÷2 10943990
n÷3 7295993.3333333
n÷3 5471995
n÷5 4377596

Exponentiation

ny
n2 479083668480400
n3 1.0486173754026E+22
n4 2.2952116140464E+29
n5 5.0237545904015E+36

Nth Root

y√n
2√n 4678.4591480529
3√n 279.72754108752
4√n 68.399262774192
5√n 29.379279211278

Divisors of 21887980

1, 2, 4, 5, 10, 20, 853, 1283, 1706, 2566, 3412, 4265, 5132, 6415, 8530, 12830, 17060, 25660, 1094399, 2188798, 4377596, 5471995, 10943990, 21887980

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 -21887979
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 21887980 can be divided by 24 positive divisors. The sum of these divisors (counting 21887980) is 1, the average is 0.041666666666667.

Base conversion 21887980

Base System Value
2 Binary 1010011011111101111101100
3 Ternary 1112012000122221
4 Quaternary 1103133233230
5 Quinary 21100403410
6 Senary 2101045124
8 Octal 123375754
10 Decimal 21887980
12 Duodecimal 73b67a4
16 Hexadecimal 14dfbec
20 Vigesimal 6gfjj0
36 Base36 d14vg

Cryptographic Hash Functions

md5 e9f1cf3e76e67da12dea2ddc455e8646
sha1 d49f82ce69c4172e03f0138c85bd27d7cbc8ba7d
sha256 996c8e16a1afc5ec338556f487412e44983bf657c362fc575ea7e68d7a1f38ae
sha512 766cc509c1cdf59068c2c9e391a3f1251ef11084e6f41162040906921a4ef800b0f739264ab98d835179e6da4d938114d8c4dcb8a2b797b2562c5c202322889e
ripemd-160 4dbe716bba909c9b9e65607f45bfd1d22462abba

21887980 as geometric shapes

Circle

Radius = n
Diameter 43775960
Circumference 137526234.33984
Area 1.5050857333529E+15

Sphere

Radius = n
Volume 4.3924381906551E+22
Surface area 6.0203429334115E+15
Circumference 137526234.33984

Square

Length = n
Perimeter 87551920
Area 479083668480400
Diagonal 30954278.168951

Cube

Length = n
Surface area 2874502010882400
Volume 1.0486173754026E+22
Space diagonal 37911093.435051

Equilateral Triangle

Length = n
Perimeter 65663940
Area 2.0744931372113E+14
Altitude 18955546.717526

Triangular Pyramid

Length = n
Surface area 2.0744931372113E+14
Volume 1.235807428362E+21
Height 10318092.722984