21609988 (number)

21609988 is an even 8-digits composite number following 21609987 and preceding 21609989. In scientific notation, it is written as 2.1609988 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 10375680 positive integers (up to 21609988) that are relatively prime to 21609988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609988 × 10^7
Engineering notation 2.1609988 × 10^6

Prime Factorization of 21609988

Prime Factorization 2 × 2 × 29 × 241 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10804994
Product of the distinct prime numbers

The prime factorization of 21609988 is 2 × 2 × 29 × 241 × 773. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 8, 69, 637, 1000, 3622, 5670, 27337, 22335, 801116, 175062, 2861543, 7486176, 36802865, 92722735, 876360979, 311221656, 8990720349, 3546109202

Basic calculations (n = 21609988)

Multiplication

n×y
n×2 43219976
n×3 64829964
n×4 86439952
n×5 108049940

Division

n÷y
n÷2 10804994
n÷3 7203329.3333333
n÷3 5402497
n÷5 4321997.6

Exponentiation

ny
n2 466991581360144
n3 1.0091682469294E+22
n4 2.1808113706125E+29
n5 4.7127307549199E+36

Nth Root

y√n
2√n 4648.6544289719
3√n 278.53824950319
4√n 68.181041565613
5√n 29.304269866478

Divisors of 21609988

1, 2, 4, 29, 58, 116, 241, 482, 773, 964, 1546, 3092, 6989, 13978, 22417, 27956, 44834, 89668, 186293, 372586, 745172, 5402497, 10804994, 21609988

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 -21609987
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 21609988 can be divided by 24 positive divisors. The sum of these divisors (counting 21609988) is 1, the average is 0.041666666666667.

Base conversion 21609988

Base System Value
2 Binary 1010010011011111000000100
3 Ternary 1111122220022221
4 Quaternary 1102123320010
5 Quinary 21013004423
6 Senary 2051102124
8 Octal 122337004
10 Decimal 21609988
12 Duodecimal 72a1944
16 Hexadecimal 149be04
20 Vigesimal 6f14j8
36 Base36 cv6dg

Cryptographic Hash Functions

md5 4c3fd9207310cb587ea172176dcf42af
sha1 9c98d8277ddd3a5c24789a8df7ea88fcab547051
sha256 b39ba0a922bdc30618771414c83da9d6a717b18e882364126dfd07aa60d8a48e
sha512 35e5cdf6f66acbfde5c4e496b79a8769a29ef2cf5b91844da72adcee8a78c508af557de817e7ca52047a552cb7a2f38811814be561385ad9982259a0b03d2406
ripemd-160 65e873e3550bf091276d3573d0d9fabe286455ff

21609988 as geometric shapes

Circle

Radius = n
Diameter 43219976
Circumference 135779559.08993
Area 1.4670973212893E+15

Sphere

Radius = n
Volume 4.2271940677192E+22
Surface area 5.8683892851572E+15
Circumference 135779559.08993

Square

Length = n
Perimeter 86439952
Area 466991581360144
Diagonal 30561138.11232

Cube

Length = n
Surface area 2801949488160864
Volume 1.0091682469294E+22
Space diagonal 37429597.166954

Equilateral Triangle

Length = n
Perimeter 64829964
Area 2.0221328640568E+14
Altitude 18714798.583477

Triangular Pyramid

Length = n
Surface area 2.0221328640568E+14
Volume 1.1893161846032E+21
Height 10187046.03744