21130145 (number)

21130145 is an odd 8-digits composite number following 21130144 and preceding 21130146. In scientific notation, it is written as 2.1130145 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 16447104 positive integers (up to 21130145) that are relatively prime to 21130145.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty thousand one hundred forty-five

Notation

Scientific notation 2.1130145 × 10^7
Engineering notation 2.1130145 × 10^6

Prime Factorization of 21130145

Prime Factorization 5 × 37 × 114217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21130145
Product of the distinct prime numbers

The prime factorization of 21130145 is 5 × 37 × 114217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21130145)

Multiplication

n×y
n×2 42260290
n×3 63390435
n×4 84520580
n×5 105650725

Division

n÷y
n÷2 10565072.5
n÷3 7043381.6666667
n÷3 5282536.25
n÷5 4226029

Exponentiation

ny
n2 446483027721025
n3 9.4342511157843E+21
n4 1.9934709404293E+29
n5 4.2122330024558E+36

Nth Root

y√n
2√n 4596.7537458515
3√n 276.46118110794
4√n 67.799363904476
5√n 29.172959927687

Divisors of 21130145

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21130144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21130145 can be divided by 8 positive divisors. The sum of these divisors (counting 21130145) is 1, the average is 0.125.

Base conversion 21130145

Base System Value
2 Binary 1010000100110101110100001
3 Ternary 1110202112002222
4 Quaternary 1100212232201
5 Quinary 20402131040
6 Senary 2032520425
8 Octal 120465641
10 Decimal 21130145
12 Duodecimal 70b0115
16 Hexadecimal 1426ba1
20 Vigesimal 6c1575
36 Base36 ckw4h

Cryptographic Hash Functions

md5 c82f2548f5ea6c5e9c521276944ec5a9
sha1 20477a996059440f18814ee848bd0dc6f97830da
sha256 b19de44ad40ca05e1952d0e4a7ab3e708782c4da21b2ea91cc0660949b91546c
sha512 f310991bd7fc4f4035ebdbe1c45a065d038ee27759302b47e4435f178fc8f10d91ecea07625af4e812f9a135b782b0e90b36a87148e8577e273024aafff3fd6f
ripemd-160 d7f92bcc63e6e91bb70d3bf27924f4cc099129c1

21130145 as geometric shapes

Circle

Radius = n
Diameter 42260290
Circumference 132764616.60257
Area 1.4026677998409E+15

Sphere

Radius = n
Volume 3.9518098663292E+22
Surface area 5.6106711993636E+15
Circumference 132764616.60257

Square

Length = n
Perimeter 84520580
Area 446483027721025
Diagonal 29882537.63391

Cube

Length = n
Surface area 2678898166326150
Volume 9.4342511157843E+21
Space diagonal 36598484.711297

Equilateral Triangle

Length = n
Perimeter 63390435
Area 1.933328221825E+14
Altitude 18299242.355649

Triangular Pyramid

Length = n
Surface area 1.933328221825E+14
Volume 1.1118371565646E+21
Height 9960845.87797