21084955 (number)

21084955 is an odd 8-digits composite number following 21084954 and preceding 21084956. In scientific notation, it is written as 2.1084955 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 16346880 positive integers (up to 21084955) that are relatively prime to 21084955.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand nine hundred fifty-five

Notation

Scientific notation 2.1084955 × 10^7
Engineering notation 2.1084955 × 10^6

Prime Factorization of 21084955

Prime Factorization 73 × 5 × 61 × 947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21084955
Product of the distinct prime numbers

The prime factorization of 21084955 is 73 × 5 × 61 × 947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084955)

Multiplication

n×y
n×2 42169910
n×3 63254865
n×4 84339820
n×5 105424775

Division

n÷y
n÷2 10542477.5
n÷3 7028318.3333333
n÷3 5271238.75
n÷5 4216991

Exponentiation

ny
n2 444575327352025
n3 9.3738507713277E+21
n4 1.9764722169016E+29
n5 4.1673827752121E+36

Nth Root

y√n
2√n 4591.835689569
3√n 276.2639558069
4√n 67.763085006285
5√n 29.160471085003

Divisors of 21084955

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 -21084954
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 21084955 can be divided by 16 positive divisors. The sum of these divisors (counting 21084955) is 1, the average is 0.0625.

Base conversion 21084955

Base System Value
2 Binary 1010000011011101100011011
3 Ternary 1110200020010021
4 Quaternary 1100123230123
5 Quinary 20344204310
6 Senary 2031531311
8 Octal 120335433
10 Decimal 21084955
12 Duodecimal 7089b37
16 Hexadecimal 141bb1b
20 Vigesimal 6bfc7f
36 Base36 cjx97

Cryptographic Hash Functions

md5 13e0817fc39ee04548978df4406fa784
sha1 a4bfbb35b00cfc2c8e0e9da89121f439ec756e33
sha256 15da9118a14501d40959ff2b88dfda391f15ff6929e8f366731fcb82ebc0d718
sha512 8ce1cedfe06b2db70b22fcc7e6bd88de8f90387ecabad39ebc7c73087c87920f2124244508c430bd9ba05bbc67b6fffe5a5d7b06ba40930e24e2558b91f127f0
ripemd-160 804e966ac9386af46b6066fcbb0a2e487e921d2e

21084955 as geometric shapes

Circle

Radius = n
Diameter 42169910
Circumference 132480679.45854
Area 1.3966745823764E+15

Sphere

Radius = n
Volume 3.9265094292067E+22
Surface area 5.5866983295056E+15
Circumference 132480679.45854

Square

Length = n
Perimeter 84339820
Area 444575327352025
Diagonal 29818629.323026

Cube

Length = n
Surface area 2667451964112150
Volume 9.3738507713277E+21
Space diagonal 36520213.335303

Equilateral Triangle

Length = n
Perimeter 63254865
Area 1.9250676369132E+14
Altitude 18260106.667652

Triangular Pyramid

Length = n
Surface area 1.9250676369132E+14
Volume 1.1047189077061E+21
Height 9939543.1076755