28161372 (number)

28161372 is an even 8-digits composite number following 28161371 and preceding 28161373. In scientific notation, it is written as 2.8161372 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 9387120 positive integers (up to 28161372) that are relatively prime to 28161372.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand three hundred seventy-two

Notation

Scientific notation 2.8161372 × 10^7
Engineering notation 2.8161372 × 10^6

Prime Factorization of 28161372

Prime Factorization 2 × 2 × 3 × 2346781

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14080686
Product of the distinct prime numbers

The prime factorization of 28161372 is 2 × 2 × 3 × 2346781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 20, 44, 184, 877, 5361, 3899, 21104, 20759, 246167, 514310, 7125289, 9306002, 74672178, 81731860, 644813396, 81624947, 3162317509, 6368673779

Basic calculations (n = 28161372)

Multiplication

n×y
n×2 56322744
n×3 84484116
n×4 112645488
n×5 140806860

Division

n÷y
n÷2 14080686
n÷3 9387124
n÷3 7040343
n÷5 5632274.4

Exponentiation

ny
n2 793062872922384
n3 2.2333738583756E+22
n4 6.2894872040791E+29
n5 1.7712058884331E+37

Nth Root

y√n
2√n 5306.7289359831
3√n 304.24113773784
4√n 72.847298755569
5√n 30.898027963993

Divisors of 28161372

1, 2, 3, 4, 6, 12, 2346781, 4693562, 7040343, 9387124, 14080686, 28161372

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28161371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161372 can be divided by 12 positive divisors. The sum of these divisors (counting 28161372) is 1, the average is 0.083333333333333.

Base conversion 28161372

Base System Value
2 Binary 1101011011011010101011100
3 Ternary 1221222202010210
4 Quaternary 1223123111130
5 Quinary 24202130442
6 Senary 2443332420
8 Octal 153332534
10 Decimal 28161372
12 Duodecimal 9521110
16 Hexadecimal 1adb55c
20 Vigesimal 8g038c
36 Base36 grlgc

Cryptographic Hash Functions

md5 9f72be011c9a94556f5b26848f311d4f
sha1 e0115c70f56bb1b5fcf43a66575273007edc353b
sha256 f6e8c1eac15b44b6b13659589fdc2fe1d22fca8a3fa644a5abe34fbd8926dfad
sha512 d9cf3bd3e1ecafcb93523d298f5a32d87726921874798aa6e465ab75e52a6ef776c6e36af0d4e1e75bb55461c4d622c9bcaa477cb06f3ca7ef2c4ae82da9118e
ripemd-160 e41e40127ac4df3cbaa33f867aa409abf2e63fd3

28161372 as geometric shapes

Circle

Radius = n
Diameter 56322744
Circumference 176943118.78042
Area 2.4914804954078E+15

Sphere

Radius = n
Volume 9.3551345415897E+22
Surface area 9.9659219816311E+15
Circumference 176943118.78042

Square

Length = n
Perimeter 112645488
Area 793062872922384
Diagonal 39826194.217434

Cube

Length = n
Surface area 4758377237534304
Volume 2.2333738583756E+22
Space diagonal 48776927.114848

Equilateral Triangle

Length = n
Perimeter 84484116
Area 3.4340629737453E+14
Altitude 24388463.557424

Triangular Pyramid

Length = n
Surface area 3.4340629737453E+14
Volume 2.6320563336369E+21
Height 13275398.072478