28621840 (number)

28621840 is an even 8-digits composite number following 28621839 and preceding 28621841. In scientific notation, it is written as 2.8621840 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 80 positive divisors. There are 10063872 positive integers (up to 28621840) that are relatively prime to 28621840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8621840 × 10^7
Engineering notation 2.8621840 × 10^6

Prime Factorization of 28621840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 377 × 13 × 73

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3577730
Product of the distinct prime numbers

The prime factorization of 28621840 is 2 × 2 × 2 × 2 × 5 × 377 × 13 × 73. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 6, 83, 1, 52, 504, 1571, 8382, 420, 68744, 573853, 245591, 1032242, 65787, 98615192, 64333586, 415631001, 256688439, 6036918032, 2365607908

Basic calculations (n = 28621840)

Multiplication

n×y
n×2 57243680
n×3 85865520
n×4 114487360
n×5 143109200

Division

n÷y
n÷2 14310920
n÷3 9540613.3333333
n÷3 7155460
n÷5 5724368

Exponentiation

ny
n2 819209724985600
n3 2.3447289674982E+22
n4 6.7110457351098E+29
n5 1.92082477263E+37

Nth Root

y√n
2√n 5349.9383174014
3√n 305.89040174899
4√n 73.14327253686
5√n 30.99841654994

Divisors of 28621840

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 377, 520, 584, 730, 754, 949, 1040, 1168, 1460, 1508, 1885, 1898, 2920, 3016, 3770, 3796, 4745, 4901, 5840, 6032, 7540, 7592, 9490, 9802, 15080, 15184, 18980, 19604, 24505, 27521, 30160, 37960, 39208, 49010, 55042, 75920, 78416, 98020, 110084, 137605, 196040, 220168, 275210, 357773, 392080, 440336, 550420, 715546, 1100840, 1431092, 1788865, 2201680, 2862184, 3577730, 5724368, 7155460, 14310920, 28621840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28621839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28621840 can be divided by 80 positive divisors. The sum of these divisors (counting 28621840) is 1, the average is 0.0125.

Base conversion 28621840

Base System Value
2 Binary 1101101001011110000010000
3 Ternary 1222212010210011
4 Quaternary 1231023300100
5 Quinary 24311344330
6 Senary 2501244304
8 Octal 155136020
10 Decimal 28621840
12 Duodecimal 9703694
16 Hexadecimal 1b4bc10
20 Vigesimal 8ihec0
36 Base36 h1gr4

Cryptographic Hash Functions

md5 8a30738e084cf8c568fda64bd0a60004
sha1 9fbe0a160c5baf83baf11ef8491f70c29e2d002f
sha256 75e766e4ab8af426816db36604599bb383fae04ee25ff2e11fb1aabd5dc0903a
sha512 9fa5a14453d617adaa8a0093cb69ec081444878f431c9566742a4c9caf22b29baf4c5628a476357460824cabbd921bf392f79ab7ca77aadf4ad7e5df8794062f
ripemd-160 79007267e8da94768b9c25e9f757a23263b65bc1

28621840 as geometric shapes

Circle

Radius = n
Diameter 57243680
Circumference 179836324.55244
Area 2.5736232537641E+15

Sphere

Radius = n
Volume 9.8215777319353E+22
Surface area 1.0294493015056E+16
Circumference 179836324.55244

Square

Length = n
Perimeter 114487360
Area 819209724985600
Diagonal 40477394.308073

Cube

Length = n
Surface area 4915258349913600
Volume 2.3447289674982E+22
Space diagonal 49574481.086107

Equilateral Triangle

Length = n
Perimeter 85865520
Area 3.547282164324E+14
Altitude 24787240.543054

Triangular Pyramid

Length = n
Surface area 3.547282164324E+14
Volume 2.7632895882708E+21
Height 13492464.769358