28972013 (number)

28972013 is an odd 8-digits composite number following 28972012 and preceding 28972014. In scientific notation, it is written as 2.8972013 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 24790896 positive integers (up to 28972013) that are relatively prime to 28972013.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred seventy-two thousand thirteen

Notation

Scientific notation 2.8972013 × 10^7
Engineering notation 2.8972013 × 10^6

Prime Factorization of 28972013

Prime Factorization 7 × 647 × 6397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28972013
Product of the distinct prime numbers

The prime factorization of 28972013 is 7 × 647 × 6397. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28972013)

Multiplication

n×y
n×2 57944026
n×3 86916039
n×4 115888052
n×5 144860065

Division

n÷y
n÷2 14486006.5
n÷3 9657337.6666667
n÷3 7243003.25
n÷5 5794402.6

Exponentiation

ny
n2 839377537272169
n3 2.4318456921757E+22
n4 7.0455465007709E+29
n5 2.0412366481244E+37

Nth Root

y√n
2√n 5382.5656521774
3√n 307.13281750387
4√n 73.365970668815
5√n 31.073897888874

Divisors of 28972013

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 -28972012
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 28972013 can be divided by 8 positive divisors. The sum of these divisors (counting 28972013) is 1, the average is 0.125.

Base conversion 28972013

Base System Value
2 Binary 1101110100001001111101101
3 Ternary 2000111221010112
4 Quaternary 1232201033231
5 Quinary 24404101023
6 Senary 2512545405
8 Octal 156411755
10 Decimal 28972013
12 Duodecimal 9852265
16 Hexadecimal 1ba13ed
20 Vigesimal 911a0d
36 Base36 h8yy5

Cryptographic Hash Functions

md5 75f68c7d46c9d1f237fee25bab784f0e
sha1 5046db3e137b8688cd17663cfc701a53b6bf0b43
sha256 561dc959247b46a444c48682d54c989b8bd765a3b57b38aaa509d830722b734e
sha512 127f729362fc6dca95471614188df1cfbf069206b6ac33e49db78c6baf464f46caa2a2192066c89a835843bc401bacb6297b7a4068802daacf6341a481667ecc
ripemd-160 67510bd61bcb4c82065a53856790f3b7884d6229

28972013 as geometric shapes

Circle

Radius = n
Diameter 57944026
Circumference 182036526.40102
Area 2.6369823046825E+15

Sphere

Radius = n
Volume 1.0186491414938E+23
Surface area 1.054792921873E+16
Circumference 182036526.40102

Square

Length = n
Perimeter 115888052
Area 839377537272169
Diagonal 40972613.71385

Cube

Length = n
Surface area 5036265223633014
Volume 2.4318456921757E+22
Space diagonal 50180998.513546

Equilateral Triangle

Length = n
Perimeter 86916039
Area 3.6346113532186E+14
Altitude 25090499.256773

Triangular Pyramid

Length = n
Surface area 3.6346113532186E+14
Volume 2.8659576328946E+21
Height 13657537.904617