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.
105428981 has 4 divisors, whose sum is 120490272
The reverse of 105428981 is 189824501
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred five million four hundred twenty-eight thousand nine hundred eighty-one
Scientific notation
1.05428981 × 10^8
Engineering notation
1.05428981 × 10^6
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.
10 , 10 , 63 , 26 , 600 , 448 , 1798 , 2364 , 9258 , 7505 , 118506 , 990725 , 6172709 , 3251430 , 77810448 , 10853281 , 11874957 , 506114031 , 8511274432 , 4961638959
n×2
210857962
n×3
316286943
n×4
421715924
n×5
527144905
n÷2
52714490.5
n÷3
35142993.666667
n÷3
26357245.25
n÷5
21085796.2
n2
11115270034698361
n3
1.1718715932981E+24
n4
1.2354922794426E+32
n5
1.30256692055E+40
2 √n
10267.861559254
3 √n
472.41100159285
4 √n
101.33045721427
5 √n
40.233887922667
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
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
md5
5f214d03cf3ec73f648a85d5480e5620
sha1
44f328b2f467a79b606b6e010999b8b976f4270b
sha256
e4f0916a952490aaab15d1a6d8660aee5f8123a2bd696a730abd13ae5da9cd9b
sha512
f07418810e90fc6c1eb7c3952f8f1d8b7cfde5791302012746ba95171a8afe16c18587d39ebe465bd08d70f40bae86112fb4eccdc5c397626860b60eba729b5a
ripemd-160
10e4ab832fd0ea1ac6754fdf7baf9a5d3da544f0
Diameter
210857962
Circumference
662429824.37012
Area
3.4919650683675E+16
Volume
4.9087242512744E+24
Surface area
1.396786027347E+17
Circumference
662429824.37012
Perimeter
421715924
Area
11115270034698361
Diagonal
149099094.79738
Surface area
66691620208190166
Volume
1.1718715932981E+24
Space diagonal
182608351.68221
Perimeter
316286943
Area
4.8130531099864E+15
Altitude
91304175.841107
Surface area
4.8130531099864E+15
Volume
1.3810639171683E+23
Height
49699698.265792