28986937 (number)

28986937 is an odd 8-digits composite number following 28986936 and preceding 28986938. In scientific notation, it is written as 2.8986937 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 24719904 positive integers (up to 28986937) that are relatively prime to 28986937.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-six thousand nine hundred thirty-seven

Notation

Scientific notation 2.8986937 × 10^7
Engineering notation 2.8986937 × 10^6

Prime Factorization of 28986937

Prime Factorization 7 × 199 × 20809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28986937
Product of the distinct prime numbers

The prime factorization of 28986937 is 7 × 199 × 20809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 94, 74, 550, 564, 1909, 6573, 98316, 50509, 243003, 575248, 7435288, 2380192, 47875135, 62817589, 832692689, 82103878, 7914914642, 8416354166

Basic calculations (n = 28986937)

Multiplication

n×y
n×2 57973874
n×3 86960811
n×4 115947748
n×5 144934685

Division

n÷y
n÷2 14493468.5
n÷3 9662312.3333333
n÷3 7246734.25
n÷5 5797387.4

Exponentiation

ny
n2 840242516641969
n3 2.4356056894622E+22
n4 7.0600748677283E+29
n5 2.0464994540612E+37

Nth Root

y√n
2√n 5383.9518014187
3√n 307.18554497979
4√n 73.375416873901
5√n 31.07709857312

Divisors of 28986937

1, 7, 199, 1393, 20809, 145663, 4140991, 28986937

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 -28986936
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 28986937 can be divided by 8 positive divisors. The sum of these divisors (counting 28986937) is 1, the average is 0.125.

Base conversion 28986937

Base System Value
2 Binary 1101110100100111000111001
3 Ternary 2000112200121021
4 Quaternary 1232210320321
5 Quinary 24410040222
6 Senary 2513142441
8 Octal 156447071
10 Decimal 28986937
12 Duodecimal 985aa21
16 Hexadecimal 1ba4e39
20 Vigesimal 91376h
36 Base36 h9agp

Cryptographic Hash Functions

md5 0fbc39c4d0c207092ded8add0dbd6ff1
sha1 95aa6066b023f5902fc2c4b343729a01b9dec0de
sha256 ced97953c27cd6c0c984b584923ffc60df40e9071764f04f5db5cbc67d58b794
sha512 4af29a772b7acf680d5537a60263163c6b1a80ade06a5ba758613f6ca7ac9cbf6ab9555c65dc33822b95bd45c4f24720a4087a72448b2c1ff608b763738e3b83
ripemd-160 1b3c613fd82d553c856b881174c6ae1ce33dab78

28986937 as geometric shapes

Circle

Radius = n
Diameter 57973874
Circumference 182130296.65854
Area 2.6396997175162E+15

Sphere

Radius = n
Volume 1.0202241254741E+23
Surface area 1.0558798870065E+16
Circumference 182130296.65854

Square

Length = n
Perimeter 115947748
Area 840242516641969
Diagonal 40993719.437054

Cube

Length = n
Surface area 5041455099851814
Volume 2.4356056894622E+22
Space diagonal 50206847.639798

Equilateral Triangle

Length = n
Perimeter 86960811
Area 3.6383568237586E+14
Altitude 25103423.819899

Triangular Pyramid

Length = n
Surface area 3.6383568237586E+14
Volume 2.8703888321921E+21
Height 13664573.145685