28756980 (number)

28756980 is an even 8-digits composite number following 28756979 and preceding 28756981. In scientific notation, it is written as 2.8756980 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 96 positive divisors. There are 6338304 positive integers (up to 28756980) that are relatively prime to 28756980.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-six thousand nine hundred eighty

Notation

Scientific notation 2.8756980 × 10^7
Engineering notation 2.8756980 × 10^6

Prime Factorization of 28756980

Prime Factorization 2 × 2 × 21 × 5 × 3 × 29 × 787

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 14378490
Product of the distinct prime numbers

The prime factorization of 28756980 is 2 × 2 × 21 × 5 × 3 × 29 × 787. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 7, 99, 13, 189, 625, 7354, 2772, 40386, 92690, 590641, 398949, 5349508, 6011550, 73090172, 32024302, 974121674, 71380987, 2471825027, 145348040

Basic calculations (n = 28756980)

Multiplication

n×y
n×2 57513960
n×3 86270940
n×4 115027920
n×5 143784900

Division

n÷y
n÷2 14378490
n÷3 9585660
n÷3 7189245
n÷5 5751396

Exponentiation

ny
n2 826963898720400
n3 2.3780984296225E+22
n4 6.8386928978684E+29
n5 1.9666015489014E+37

Nth Root

y√n
2√n 5362.5534962367
3√n 306.37107360533
4√n 73.229457844754
5√n 31.027633655847

Divisors of 28756980

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 21, 29, 30, 42, 58, 60, 63, 84, 87, 105, 116, 126, 145, 174, 210, 252, 290, 315, 348, 420, 435, 580, 609, 630, 787, 870, 1218, 1260, 1574, 1740, 1827, 2361, 2436, 3045, 3148, 3654, 3935, 4722, 6090, 7308, 7870, 9135, 9444, 11805, 12180, 15740, 16527, 18270, 22823, 23610, 33054, 36540, 45646, 47220, 49581, 66108, 68469, 82635, 91292, 99162, 114115, 136938, 165270, 198324, 228230, 247905, 273876, 330540, 342345, 456460, 479283, 495810, 684690, 958566, 991620, 1369380, 1437849, 1917132, 2396415, 2875698, 4792830, 5751396, 7189245, 9585660, 14378490, 28756980

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28756979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28756980 can be divided by 96 positive divisors. The sum of these divisors (counting 28756980) is 1, the average is 0.010416666666667.

Base conversion 28756980

Base System Value
2 Binary 1101101101100101111110100
3 Ternary 2000010000011100
4 Quaternary 1231230233310
5 Quinary 24330210410
6 Senary 2504210100
8 Octal 155545764
10 Decimal 28756980
12 Duodecimal 9769930
16 Hexadecimal 1b6cbf4
20 Vigesimal 8jec90
36 Base36 h4d10

Cryptographic Hash Functions

md5 81cf25ce767990b9f956b37e3422ae7c
sha1 380e87cbdf220b1e5eacfdeb652b869fb575932e
sha256 85d6f8d7cd7abfee2e3fc5c1398036c325d88db1557731b942ffd90b9df2c836
sha512 fd7d5b352e9057087200305a92c5cae8ea48e8fe002a9b9a288e1513cbef77dee599c40ba1d28a3f0ad55b9c1f249d5ccfe0a3dce4796b1a1f62be79d37f180b
ripemd-160 211b94ee47a9aedefb8596f7505d09610041ad15

28756980 as geometric shapes

Circle

Radius = n
Diameter 57513960
Circumference 180685434.21486
Area 2.597983709004E+15

Sphere

Radius = n
Volume 9.9613554080204E+22
Surface area 1.0391934836016E+16
Circumference 180685434.21486

Square

Length = n
Perimeter 115027920
Area 826963898720400
Diagonal 40668511.128892

Cube

Length = n
Surface area 4961783392322400
Volume 2.3780984296225E+22
Space diagonal 49808550.432242

Equilateral Triangle

Length = n
Perimeter 86270940
Area 3.5808587215224E+14
Altitude 24904275.216121

Triangular Pyramid

Length = n
Surface area 3.5808587215224E+14
Volume 2.8026158765252E+21
Height 13556170.376297