28001898 (number)

28001898 is an even 8-digits composite number following 28001897 and preceding 28001899. In scientific notation, it is written as 2.8001898 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 9333960 positive integers (up to 28001898) that are relatively prime to 28001898.

Interesting facts

Basic properties

Name

Name twenty-eight million one thousand eight hundred ninety-eight

Notation

Scientific notation 2.8001898 × 10^7
Engineering notation 2.8001898 × 10^6

Prime Factorization of 28001898

Prime Factorization 2 × 3 × 3 × 1555661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9333966
Product of the distinct prime numbers

The prime factorization of 28001898 is 2 × 3 × 3 × 1555661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 64, 77, 732, 463, 6804, 7200, 41143, 2977, 393694, 404550, 1461849, 8718174, 5828171, 23712267, 14982929, 330815083, 2277688579, 3193821060

Basic calculations (n = 28001898)

Multiplication

n×y
n×2 56003796
n×3 84005694
n×4 112007592
n×5 140009490

Division

n÷y
n÷2 14000949
n÷3 9333966
n÷3 7000474.5
n÷5 5600379.6

Exponentiation

ny
n2 784106291602404
n3 2.1956464398609E+22
n4 6.1482267653047E+29
n5 1.7216201876293E+37

Nth Root

y√n
2√n 5291.6819632325
3√n 303.66575827762
4√n 72.743947949176
5√n 30.862954164781

Divisors of 28001898

1, 2, 3, 6, 9, 18, 1555661, 3111322, 4666983, 9333966, 14000949, 28001898

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 -28001897
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 28001898 can be divided by 12 positive divisors. The sum of these divisors (counting 28001898) is 1, the average is 0.083333333333333.

Base conversion 28001898

Base System Value
2 Binary 1101010110100011001101010
3 Ternary 1221200122101100
4 Quaternary 1222310121222
5 Quinary 24132030043
6 Senary 2440102230
8 Octal 152643152
10 Decimal 28001898
12 Duodecimal 9464976
16 Hexadecimal 1ab466a
20 Vigesimal 8f04ei
36 Base36 go6ei

Cryptographic Hash Functions

md5 3aec8efe05f7e485a9c5c498fef1d0fb
sha1 2996120521f33a236d4985be9ee24d170624043f
sha256 8532dfff6bf3f0a43c4afadf7fc97c0c727957e8006aad90367d7b876335f9df
sha512 60fe5b04de35e404b92b2bf55ee041890ac5b1b3cada493036a3e804503eeee80a5d6af694559ef2123c80108bbfd72963f5ea9a397411ddcbd4a906dfaec943
ripemd-160 737255226fea380017359fa3f422e8e824686b23

28001898 as geometric shapes

Circle

Radius = n
Diameter 56003796
Circumference 175941114.08674
Area 2.4633425653316E+15

Sphere

Radius = n
Volume 9.1971023004634E+22
Surface area 9.8533702613266E+15
Circumference 175941114.08674

Square

Length = n
Perimeter 112007592
Area 784106291602404
Diagonal 39600663.923788

Cube

Length = n
Surface area 4704637749614424
Volume 2.1956464398609E+22
Space diagonal 48500710.044361

Equilateral Triangle

Length = n
Perimeter 84005694
Area 3.3952798389745E+14
Altitude 24250355.022181

Triangular Pyramid

Length = n
Surface area 3.3952798389745E+14
Volume 2.5875941445229E+21
Height 13200221.307929