21008085 (number)

21008085 is an odd 8-digits composite number following 21008084 and preceding 21008086. In scientific notation, it is written as 2.1008085 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 9185088 positive integers (up to 21008085) that are relatively prime to 21008085.

Interesting facts

Basic properties

Name

Name twenty-one million eight thousand eighty-five

Notation

Scientific notation 2.1008085 × 10^7
Engineering notation 2.1008085 × 10^6

Prime Factorization of 21008085

Prime Factorization 5 × 21 × 23 × 8699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21008085
Product of the distinct prime numbers

The prime factorization of 21008085 is 5 × 21 × 23 × 8699. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 11, 73, 816, 100, 8971, 5867, 75048, 38995, 287787, 797782, 683166, 2284706, 23524267, 55815499, 370231603, 608583486, 4810973463, 6778781745

Basic calculations (n = 21008085)

Multiplication

n×y
n×2 42016170
n×3 63024255
n×4 84032340
n×5 105040425

Division

n÷y
n÷2 10504042.5
n÷3 7002695
n÷3 5252021.25
n÷5 4201617

Exponentiation

ny
n2 441339635367225
n3 9.2717005736637E+21
n4 1.9478067374608E+29
n5 4.0919689504148E+36

Nth Root

y√n
2√n 4583.4577558869
3√n 275.92781928889
4√n 67.701238953855
5√n 29.139177784299

Divisors of 21008085

1, 5, 21, 23, 105, 115, 483, 2415, 8699, 43495, 182679, 200077, 913395, 1000385, 4201617, 21008085

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21008084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21008085 can be divided by 16 positive divisors. The sum of these divisors (counting 21008085) is 1, the average is 0.0625.

Base conversion 21008085

Base System Value
2 Binary 1010000001000111011010101
3 Ternary 1110112022200020
4 Quaternary 1100020323111
5 Quinary 20334224320
6 Senary 2030135353
8 Octal 120107325
10 Decimal 21008085
12 Duodecimal 7051559
16 Hexadecimal 1408ed5
20 Vigesimal 6b6045
36 Base36 ci9xx

Cryptographic Hash Functions

md5 d12cdc81ed42b2febf4417eb388a8b15
sha1 d69a89650d24fd12f3dd0a82ded5d2b09dcb5c15
sha256 dd9f4333f6b8f0d2096932d9503865430b67a35aaca65ec9bf22e4b710abcf3c
sha512 ffe630c6af464628291d44de68abc8d06c748d33f3dbd4cf0c412f452889b41a4d63639aa1c800cc43795b68c259dd998fde86578309ada2e066fc700883b74e
ripemd-160 dc59447a7a3e4b01b5cf8d74d2b5ab99a198c653

21008085 as geometric shapes

Circle

Radius = n
Diameter 42016170
Circumference 131997691.00398
Area 1.3865093562077E+15

Sphere

Radius = n
Volume 3.8837208544675E+22
Surface area 5.5460374248307E+15
Circumference 131997691.00398

Square

Length = n
Perimeter 84032340
Area 441339635367225
Diagonal 29709918.726487

Cube

Length = n
Surface area 2648037812203350
Volume 9.2717005736637E+21
Space diagonal 36387070.589726

Equilateral Triangle

Length = n
Perimeter 63024255
Area 1.9110566796249E+14
Altitude 18193535.294863

Triangular Pyramid

Length = n
Surface area 1.9110566796249E+14
Volume 1.0926803914615E+21
Height 9903306.2421623