28125621 (number)

28125621 is an odd 8-digits composite number following 28125620 and preceding 28125622. In scientific notation, it is written as 2.8125621 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 18103680 positive integers (up to 28125621) that are relatively prime to 28125621.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred twenty-five thousand six hundred twenty-one

Notation

Scientific notation 2.8125621 × 10^7
Engineering notation 2.8125621 × 10^6

Prime Factorization of 28125621

Prime Factorization 3 × 3 × 29 × 107761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9375207
Product of the distinct prime numbers

The prime factorization of 28125621 is 3 × 3 × 29 × 107761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28125621)

Multiplication

n×y
n×2 56251242
n×3 84376863
n×4 112502484
n×5 140628105

Division

n÷y
n÷2 14062810.5
n÷3 9375207
n÷3 7031405.25
n÷5 5625124.2

Exponentiation

ny
n2 791050556635641
n3 2.2248788147773E+22
n4 6.2576098315356E+29
n5 1.7599916248764E+37

Nth Root

y√n
2√n 5303.3594070174
3√n 304.11233801253
4√n 72.824167739957
5√n 30.890178937594

Divisors of 28125621

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28125620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28125621 can be divided by 12 positive divisors. The sum of these divisors (counting 28125621) is 1, the average is 0.083333333333333.

Base conversion 28125621

Base System Value
2 Binary 1101011010010100110110101
3 Ternary 1221220221002200
4 Quaternary 1223102212311
5 Quinary 24200004441
6 Senary 2442455113
8 Octal 153224665
10 Decimal 28125621
12 Duodecimal 9504499
16 Hexadecimal 1ad29b5
20 Vigesimal 8ffe11
36 Base36 gqtv9

Cryptographic Hash Functions

md5 5117309dc0ac3bb428a8484011c321ac
sha1 94f054369d2487150907bf299ffcf9d0b40107cb
sha256 1adc359e7f39ee583c1b4241ee42e4aa1aa43c021262f97618da3beaa0ea718b
sha512 b86436fd238a9ef89ff5d89cdaf5c1ed80f5304c51bb995320f1642326ac54b68d4a3c640beb2897679a46b09ade56006a15295130a229ca44db4b8fccbb57d1
ripemd-160 d12ea0c8ab05ec4c92ab477aa80f7d57bd041dc7

28125621 as geometric shapes

Circle

Radius = n
Diameter 56251242
Circumference 176718488.6225
Area 2.4851586173446E+15

Sphere

Radius = n
Volume 9.3195505861759E+22
Surface area 9.9406344693786E+15
Circumference 176718488.6225

Square

Length = n
Perimeter 112502484
Area 791050556635641
Diagonal 39775634.668366

Cube

Length = n
Surface area 4746303339813846
Volume 2.2248788147773E+22
Space diagonal 48715004.566426

Equilateral Triangle

Length = n
Perimeter 84376863
Area 3.4253493886214E+14
Altitude 24357502.283213

Triangular Pyramid

Length = n
Surface area 3.4253493886214E+14
Volume 2.6220448287455E+21
Height 13258544.889455