28758840 (number)

28758840 is an even 8-digits composite number following 28758839 and preceding 28758841. In scientific notation, it is written as 2.8758840 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 6971520 positive integers (up to 28758840) that are relatively prime to 28758840.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-eight thousand eight hundred forty

Notation

Scientific notation 2.8758840 × 10^7
Engineering notation 2.8758840 × 10^6

Prime Factorization of 28758840

Prime Factorization 2 × 2 × 2 × 15 × 11 × 21787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7189710
Product of the distinct prime numbers

The prime factorization of 28758840 is 2 × 2 × 2 × 15 × 11 × 21787. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 7, 59, 67, 498, 138, 4565, 7024, 75199, 72974, 215143, 552315, 184782, 9777927, 5452152, 11331774, 598085200, 186475629, 1984123978, 2898075073

Basic calculations (n = 28758840)

Multiplication

n×y
n×2 57517680
n×3 86276520
n×4 115035360
n×5 143794200

Division

n÷y
n÷2 14379420
n÷3 9586280
n÷3 7189710
n÷5 5751768

Exponentiation

ny
n2 827070878145600
n3 2.3785599053249E+22
n4 6.8404623747653E+29
n5 1.967237629619E+37

Nth Root

y√n
2√n 5362.7269182758
3√n 306.37767881806
4√n 73.230641935434
5√n 31.028035018615

Divisors of 28758840

1, 2, 4, 8, 11, 15, 22, 30, 44, 60, 88, 120, 165, 330, 660, 1320, 21787, 43574, 87148, 174296, 239657, 326805, 479314, 653610, 958628, 1307220, 1917256, 2614440, 3594855, 7189710, 14379420, 28758840

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 -28758839
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 28758840 can be divided by 32 positive divisors. The sum of these divisors (counting 28758840) is 1, the average is 0.03125.

Base conversion 28758840

Base System Value
2 Binary 1101101101101001100111000
3 Ternary 2000010002201020
4 Quaternary 1231231030320
5 Quinary 24330240330
6 Senary 2504222440
8 Octal 155551470
10 Decimal 28758840
12 Duodecimal 976aa20
16 Hexadecimal 1b6d338
20 Vigesimal 8jeh20
36 Base36 h4ego

Cryptographic Hash Functions

md5 400d9b22ef9668c80996e7d64ab5c357
sha1 e61f19b811b34198a4205be060abca38bdb84f40
sha256 9e62b8735e745d46dcc1591592bb9f47c070c3a39c1c011f6d2fbad80039f168
sha512 3385ef9f38f3b1c51ef021c59b66ade7c60b20bda22f2df0a7a4523e4f41b17b4d9a9d9b615f06ba3f88ac6dac08ad57cab2a2d5fa1b814248c1a991ee423958
ripemd-160 54d1eb52e8a0d80dee2ec1c40f0cf15a4646de19

28758840 as geometric shapes

Circle

Radius = n
Diameter 57517680
Circumference 180697120.93953
Area 2.5983197947803E+15

Sphere

Radius = n
Volume 9.9632884329225E+22
Surface area 1.0393279179121E+16
Circumference 180697120.93953

Square

Length = n
Perimeter 115035360
Area 827070878145600
Diagonal 40671141.566118

Cube

Length = n
Surface area 4962425268873600
Volume 2.3785599053249E+22
Space diagonal 49811772.046744

Equilateral Triangle

Length = n
Perimeter 86276520
Area 3.581321956022E+14
Altitude 24905886.023372

Triangular Pyramid

Length = n
Surface area 3.581321956022E+14
Volume 2.8031597308561E+21
Height 13557047.188706