28870138 (number)

28870138 is an even 8-digits composite number following 28870137 and preceding 28870139. In scientific notation, it is written as 2.8870138 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors. There are 12317760 positive integers (up to 28870138) that are relatively prime to 28870138.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seventy thousand one hundred thirty-eight

Notation

Scientific notation 2.8870138 × 10^7
Engineering notation 2.8870138 × 10^6

Prime Factorization of 28870138

Prime Factorization 2 × 11 × 29 × 37 × 1223

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28870138
Product of the distinct prime numbers

The prime factorization of 28870138 is 2 × 11 × 29 × 37 × 1223. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 6, 53, 273, 630, 2386, 9679, 84747, 13922, 439637, 278705, 779101, 8903646, 12580567, 34860992, 446216334, 825231810, 5841519374, 9961791649

Basic calculations (n = 28870138)

Multiplication

n×y
n×2 57740276
n×3 86610414
n×4 115480552
n×5 144350690

Division

n÷y
n÷2 14435069
n÷3 9623379.3333333
n÷3 7217534.5
n÷5 5774027.6

Exponentiation

ny
n2 833484868139044
n3 2.4062823164086E+22
n4 6.9469702541676E+29
n5 2.0055998991971E+37

Nth Root

y√n
2√n 5373.0938945825
3√n 306.7724018403
4√n 73.301390809333
5√n 31.052013904834

Divisors of 28870138

1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 814, 1073, 1223, 2146, 2446, 11803, 13453, 23606, 26906, 35467, 45251, 70934, 90502, 390137, 497761, 780274, 995522, 1312279, 2624558, 14435069, 28870138

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 -28870137
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 28870138 can be divided by 32 positive divisors. The sum of these divisors (counting 28870138) is 1, the average is 0.03125.

Base conversion 28870138

Base System Value
2 Binary 1101110001000010111111010
3 Ternary 2000022202101101
4 Quaternary 1232020113322
5 Quinary 24342321023
6 Senary 2510442014
8 Octal 156102772
10 Decimal 28870138
12 Duodecimal 980330a
16 Hexadecimal 1b885fa
20 Vigesimal 908f6i
36 Base36 h6sca

Cryptographic Hash Functions

md5 0a58af0e5f455814a9356d9449edf6f5
sha1 a1510d06a3a25659b14aadf7812e09b39d64ddae
sha256 77f10e70f29bd49750d50ee79cace5799343aa6bfe243508ad11af41486a40cb
sha512 7b25b776bb6f4cac013edaf33de59562e5590418f18d2945315626e56bdb87f717faf0b243defa7e2e2416abee031ea3a0171cf9840c98c369bd7229c93d3d77
ripemd-160 99da3d688dd3b00b45c6ce9ba8d62f80e38c2c00

28870138 as geometric shapes

Circle

Radius = n
Diameter 57740276
Circumference 181396426.89785
Area 2.6184699386239E+15

Sphere

Radius = n
Volume 1.0079411796923E+23
Surface area 1.0473879754496E+16
Circumference 181396426.89785

Square

Length = n
Perimeter 115480552
Area 833484868139044
Diagonal 40828540.707183

Cube

Length = n
Surface area 5000909208834264
Volume 2.4062823164086E+22
Space diagonal 50004545.837525

Equilateral Triangle

Length = n
Perimeter 86610414
Area 3.6090953473917E+14
Altitude 25002272.918762

Triangular Pyramid

Length = n
Surface area 3.6090953473917E+14
Volume 2.8358309056363E+21
Height 13609513.569061