28406972 (number)

28406972 is an even 8-digits composite number following 28406971 and preceding 28406973. In scientific notation, it is written as 2.8406972 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 12562560 positive integers (up to 28406972) that are relatively prime to 28406972.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred six thousand nine hundred seventy-two

Notation

Scientific notation 2.8406972 × 10^7
Engineering notation 2.8406972 × 10^6

Prime Factorization of 28406972

Prime Factorization 2 × 2 × 11 × 37 × 17449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14203486
Product of the distinct prime numbers

The prime factorization of 28406972 is 2 × 2 × 11 × 37 × 17449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 99, 71, 857, 385, 4735, 8113, 99860, 98118, 537738, 915029, 9970779, 821265, 15816988, 64877670, 590144877, 712563394, 5296131166, 7544392982

Basic calculations (n = 28406972)

Multiplication

n×y
n×2 56813944
n×3 85220916
n×4 113627888
n×5 142034860

Division

n÷y
n÷2 14203486
n÷3 9468990.6666667
n÷3 7101743
n÷5 5681394.4

Exponentiation

ny
n2 806956058208784
n3 2.2923178150767E+22
n4 6.5117807987986E+29
n5 1.8497997482161E+37

Nth Root

y√n
2√n 5329.8191338919
3√n 305.12302481239
4√n 73.005610290524
5√n 30.951734302794

Divisors of 28406972

1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 17449, 34898, 69796, 191939, 383878, 645613, 767756, 1291226, 2582452, 7101743, 14203486, 28406972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28406971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28406972 can be divided by 24 positive divisors. The sum of these divisors (counting 28406972) is 1, the average is 0.041666666666667.

Base conversion 28406972

Base System Value
2 Binary 1101100010111010010111100
3 Ternary 1222110020001002
4 Quaternary 1230113102330
5 Quinary 24233010342
6 Senary 2452505432
8 Octal 154272274
10 Decimal 28406972
12 Duodecimal 961b278
16 Hexadecimal 1b174bc
20 Vigesimal 8hah8c
36 Base36 gwuyk

Cryptographic Hash Functions

md5 8f4f25903a4cda1cb7d08c231e17d16c
sha1 e527f8fac37ccc760a585968b1ec0c8f96fbea10
sha256 7039a2fcafcbd23b21a2a042bfe1a0cf88d14bec7289599ca847f584cae14e12
sha512 b91921aa07439b698a2cd90ea1ce4c7f825de7f0c0442ac14b9e44cc670b4c7d29c91c0a963432818b8ac3be1081fffb671a6857cbd8c5296dfc3205b6662e9a
ripemd-160 79f101779ee1b041832b9aaf4ce0a5d8e5a93065

28406972 as geometric shapes

Circle

Radius = n
Diameter 56813944
Circumference 178486269.09186
Area 2.5351272242385E+15

Sphere

Radius = n
Volume 9.6020384100507E+22
Surface area 1.0140508896954E+16
Circumference 178486269.09186

Square

Length = n
Perimeter 113627888
Area 806956058208784
Diagonal 40173525.068353

Cube

Length = n
Surface area 4841736349252704
Volume 2.2923178150767E+22
Space diagonal 49202318.793186

Equilateral Triangle

Length = n
Perimeter 85220916
Area 3.4942222307328E+14
Altitude 24601159.396593

Triangular Pyramid

Length = n
Surface area 3.4942222307328E+14
Volume 2.7015224527925E+21
Height 13391175.022784