105428981 (number)

105428981 is an odd 9-digits composite number following 105428980 and preceding 105428982. In scientific notation, it is written as 1.05428981 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 90367692 positive integers (up to 105428981) that are relatively prime to 105428981.

Interesting facts

Basic properties

Name

Name one hundred five million four hundred twenty-eight thousand nine hundred eighty-one

Notation

Scientific notation 1.05428981 × 10^8
Engineering notation 1.05428981 × 10^6

Prime Factorization of 105428981

Prime Factorization 7 × 15061283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 105428981
Product of the distinct prime numbers

The prime factorization of 105428981 is 7 × 15061283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 105428981)

Multiplication

n×y
n×2 210857962
n×3 316286943
n×4 421715924
n×5 527144905

Division

n÷y
n÷2 52714490.5
n÷3 35142993.666667
n÷3 26357245.25
n÷5 21085796.2

Exponentiation

ny
n2 11115270034698361
n3 1.1718715932981E+24
n4 1.2354922794426E+32
n5 1.30256692055E+40

Nth Root

y√n
2√n 10267.861559254
3√n 472.41100159285
4√n 101.33045721427
5√n 40.233887922667

Divisors of 105428981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -105428980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 105428981 can be divided by 4 positive divisors. The sum of these divisors (counting 105428981) is 1, the average is 0.25.

Base conversion 105428981

Base System Value
2 Binary 110010010001011011111110101
3 Ternary 21100101100101002
4 Quaternary 12102023133311
5 Quinary 203442211411
6 Senary 14243413045
8 Octal 622133765
10 Decimal 105428981
12 Duodecimal 2b384185
16 Hexadecimal 648b7f5
20 Vigesimal 1ciic91
36 Base36 1qrpit

Cryptographic Hash Functions

md5 5f214d03cf3ec73f648a85d5480e5620
sha1 44f328b2f467a79b606b6e010999b8b976f4270b
sha256 e4f0916a952490aaab15d1a6d8660aee5f8123a2bd696a730abd13ae5da9cd9b
sha512 f07418810e90fc6c1eb7c3952f8f1d8b7cfde5791302012746ba95171a8afe16c18587d39ebe465bd08d70f40bae86112fb4eccdc5c397626860b60eba729b5a
ripemd-160 10e4ab832fd0ea1ac6754fdf7baf9a5d3da544f0

105428981 as geometric shapes

Circle

Radius = n
Diameter 210857962
Circumference 662429824.37012
Area 3.4919650683675E+16

Sphere

Radius = n
Volume 4.9087242512744E+24
Surface area 1.396786027347E+17
Circumference 662429824.37012

Square

Length = n
Perimeter 421715924
Area 11115270034698361
Diagonal 149099094.79738

Cube

Length = n
Surface area 66691620208190166
Volume 1.1718715932981E+24
Space diagonal 182608351.68221

Equilateral Triangle

Length = n
Perimeter 316286943
Area 4.8130531099864E+15
Altitude 91304175.841107

Triangular Pyramid

Length = n
Surface area 4.8130531099864E+15
Volume 1.3810639171683E+23
Height 49699698.265792