28993869 (number)

28993869 is an odd 8-digits composite number following 28993868 and preceding 28993870. In scientific notation, it is written as 2.8993869 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors. There are 18162144 positive integers (up to 28993869) that are relatively prime to 28993869.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand eight hundred sixty-nine

Notation

Scientific notation 2.8993869 × 10^7
Engineering notation 2.8993869 × 10^6

Prime Factorization of 28993869

Prime Factorization 3 × 69 × 9 × 79 × 197

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28993869
Product of the distinct prime numbers

The prime factorization of 28993869 is 3 × 69 × 9 × 79 × 197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 73, 19, 481, 705, 9830, 2528, 68502, 11664, 465136, 912606, 9837360, 693788, 94858316, 87914363, 723608140, 205230327, 8502413948, 9080412015

Basic calculations (n = 28993869)

Multiplication

n×y
n×2 57987738
n×3 86981607
n×4 115975476
n×5 144969345

Division

n÷y
n÷2 14496934.5
n÷3 9664623
n÷3 7248467.25
n÷5 5798773.8

Exponentiation

ny
n2 840644439589161
n3 2.4373534757027E+22
n4 7.0668307381217E+29
n5 2.0489476466628E+37

Nth Root

y√n
2√n 5384.5955279854
3√n 307.21003003751
4√n 73.379803270283
5√n 31.078584800128

Divisors of 28993869

1, 3, 9, 27, 69, 79, 197, 207, 237, 591, 621, 711, 1773, 1863, 2133, 5319, 5451, 13593, 15563, 16353, 40779, 46689, 49059, 122337, 140067, 147177, 367011, 420201, 1073847, 3221541, 9664623, 28993869

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28993868
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28993869 can be divided by 32 positive divisors. The sum of these divisors (counting 28993869) is 1, the average is 0.03125.

Base conversion 28993869

Base System Value
2 Binary 1101110100110100101001101
3 Ternary 2000120001010000
4 Quaternary 1232212211031
5 Quinary 24410300434
6 Senary 2513234513
8 Octal 156464515
10 Decimal 28993869
12 Duodecimal 9862a39
16 Hexadecimal 1ba694d
20 Vigesimal 9144d9
36 Base36 h9ft9

Cryptographic Hash Functions

md5 fd8ac63f9e4ab44ee36917e7fddef875
sha1 394032120a7ead21082417a7309a8dd9eefd4a74
sha256 85c1f200ad157be3394ec661e605ca4cf89090e61f6520597c0e9c63b21907da
sha512 4a753fe002e914e2afd6317c1b482a3f3465b767082a4801dc73f5d21909abdd3e76bc3677547e0c0f1bbe1a0f429667810a664524a9cc39238e995ae893133f
ripemd-160 f8789b7b97db5ef8896dcb51b198d21624061c99

28993869 as geometric shapes

Circle

Radius = n
Diameter 57987738
Circumference 182173851.69909
Area 2.6409623956944E+15

Sphere

Radius = n
Volume 1.0209562364625E+23
Surface area 1.0563849582778E+16
Circumference 182173851.69909

Square

Length = n
Perimeter 115975476
Area 840644439589161
Diagonal 41003522.765469

Cube

Length = n
Surface area 5043866637534966
Volume 2.4373534757027E+22
Space diagonal 50218854.215996

Equilateral Triangle

Length = n
Perimeter 86981607
Area 3.6400972011717E+14
Altitude 25109427.107998

Triangular Pyramid

Length = n
Surface area 3.6400972011717E+14
Volume 2.8724486180299E+21
Height 13667840.921823