20128947 (number)

20128947 is an odd 8-digits composite number following 20128946 and preceding 20128948. In scientific notation, it is written as 2.0128947 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13096512 positive integers (up to 20128947) that are relatively prime to 20128947.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand nine hundred forty-seven

Notation

Scientific notation 2.0128947 × 10^7
Engineering notation 2.0128947 × 10^6

Prime Factorization of 20128947

Prime Factorization 3 × 73 × 107 × 859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20128947
Product of the distinct prime numbers

The prime factorization of 20128947 is 3 × 73 × 107 × 859. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 64, 39, 940, 143, 2728, 7202, 20496, 97716, 932153, 889265, 7028766, 5921160, 27322144, 68692064, 13848792, 965561727, 1729146833, 246720655

Basic calculations (n = 20128947)

Multiplication

n×y
n×2 40257894
n×3 60386841
n×4 80515788
n×5 100644735

Division

n÷y
n÷2 10064473.5
n÷3 6709649
n÷3 5032236.75
n÷5 4025789.4

Exponentiation

ny
n2 405174507328809
n3 8.1557361837727E+21
n4 1.6416638138914E+29
n5 3.3044963901638E+36

Nth Root

y√n
2√n 4486.5295050852
3√n 272.02387243617
4√n 66.981560933478
5√n 28.891108899633

Divisors of 20128947

1, 3, 73, 107, 219, 321, 859, 2577, 7811, 23433, 62707, 91913, 188121, 275739, 6709649, 20128947

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128947 can be divided by 16 positive divisors. The sum of these divisors (counting 20128947) is 1, the average is 0.0625.

Base conversion 20128947

Base System Value
2 Binary 1001100110010010010110011
3 Ternary 1101212122201120
4 Quaternary 1030302102303
5 Quinary 20123111242
6 Senary 1555233323
8 Octal 114622263
10 Decimal 20128947
12 Duodecimal 68a8843
16 Hexadecimal 13324b3
20 Vigesimal 65g277
36 Base36 bzflf

Cryptographic Hash Functions

md5 496a533c5d739c29cc084ca9540bb76d
sha1 580862f5dad1f327a46599403fcbcfda60821cd0
sha256 2496f3771b249a458c81d4956b559e35c65fd0368c9fce610c02d5fcd7a54ea0
sha512 c754787e3fcc96f9ce29df779ac3bc8406ac75f0fe422ac323ea8a114c02a5acb4dba9917558cefbe5411799bc94760c3fe1b3f616690730bc55a1e1326ba0cc
ripemd-160 cc1827fc08ed589426ee8f44ed7074d5fd426930

20128947 as geometric shapes

Circle

Radius = n
Diameter 40257894
Circumference 126473904.0394
Area 1.2728932556461E+15

Sphere

Radius = n
Volume 3.4162667839409E+22
Surface area 5.0915730225842E+15
Circumference 126473904.0394

Square

Length = n
Perimeter 80515788
Area 405174507328809
Diagonal 28466629.843689

Cube

Length = n
Surface area 2431047043972854
Volume 8.1557361837727E+21
Space diagonal 34864358.906861

Equilateral Triangle

Length = n
Perimeter 60386841
Area 1.754457081563E+14
Altitude 17432179.453431

Triangular Pyramid

Length = n
Surface area 1.754457081563E+14
Volume 9.6116272685236E+20
Height 9488876.6145631