28331640 (number)

28331640 is an even 8-digits composite number following 28331639 and preceding 28331641. In scientific notation, it is written as 2.8331640 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 128 positive divisors. There are 7340544 positive integers (up to 28331640) that are relatively prime to 28331640.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred thirty-one thousand six hundred forty

Notation

Scientific notation 2.8331640 × 10^7
Engineering notation 2.8331640 × 10^6

Prime Factorization of 28331640

Prime Factorization 2 × 2 × 2 × 3 × 3 × 3 × 5 × 37 × 709

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 786990
Product of the distinct prime numbers

The prime factorization of 28331640 is 2 × 2 × 2 × 3 × 3 × 3 × 5 × 37 × 709. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28331640)

Multiplication

n×y
n×2 56663280
n×3 84994920
n×4 113326560
n×5 141658200

Division

n÷y
n÷2 14165820
n÷3 9443880
n÷3 7082910
n÷5 5666328

Exponentiation

ny
n2 802681825089600
n3 2.2741292502982E+22
n4 6.4429811232917E+29
n5 1.825402217119E+37

Nth Root

y√n
2√n 5322.7474108772
3√n 304.85306906571
4√n 72.957161477659
5√n 30.93530077863

Divisors of 28331640

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28331639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28331640 can be divided by 128 positive divisors. The sum of these divisors (counting 28331640) is 1, the average is 0.0078125.

Base conversion 28331640

Base System Value
2 Binary 1101100000100111001111000
3 Ternary 1222022101201000
4 Quaternary 1230010321320
5 Quinary 24223103030
6 Senary 2451125000
8 Octal 154047170
10 Decimal 28331640
12 Duodecimal 95a3760
16 Hexadecimal 1b04e78
20 Vigesimal 8h1920
36 Base36 gv8u0

Cryptographic Hash Functions

md5 b3a22138ad15fd0f49cf6ab604929c92
sha1 862c0435b685ba43a702a3702c786bb557088fa7
sha256 60ad7245d60b0a6decb036efc3a24efe0e222759738f6e69ee67539f70bfb56c
sha512 2d7c2db0b15a7a47ea9e82b4dedaa7f320b768a6b0959958e064cb4bb69ad04b34d1c3399d083a8dfa0eadad8edf47a1b7356fa15454445581d83365d4a84052
ripemd-160 25ccf726e2778d38888041e17261a8c7d0120996

28331640 as geometric shapes

Circle

Radius = n
Diameter 56663280
Circumference 178012944.1763
Area 2.5216993248715E+15

Sphere

Radius = n
Volume 9.5258503280671E+22
Surface area 1.0086797299486E+16
Circumference 178012944.1763

Square

Length = n
Perimeter 113326560
Area 802681825089600
Diagonal 40066989.532272

Cube

Length = n
Surface area 4816090950537600
Volume 2.2741292502982E+22
Space diagonal 49071839.941751

Equilateral Triangle

Length = n
Perimeter 84994920
Area 3.4757142584183E+14
Altitude 24535919.970875

Triangular Pyramid

Length = n
Surface area 3.4757142584183E+14
Volume 2.6800870236342E+21
Height 13355663.177424