105280987 is an odd 9-digits composite number following 105280986
and preceding 105280988 . In scientific notation, it is written as 1.05280987 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 87383808 positive integers (up to 105280987) that are relatively prime to 105280987.
105280987 has 16 divisors, whose sum is 124185600
The reverse of 105280987 is 789082501
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred five million two hundred eighty thousand nine hundred eighty-seven
Scientific notation
1.05280987 × 10^8
Engineering notation
1.05280987 × 10^6
Prime Factorization
7 × 97 × 47 × 3299
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
105280987
Product of the distinct prime numbers
The prime factorization of 105280987 is 7 × 97 × 47 × 3299.
Since it has a total of 4 prime factors.
9 , 9 , 53 , 55 , 430 , 37 , 9884 , 6987 , 54422 , 59029 , 845526 , 209804 , 1947884 , 2073606 , 56419272 , 97259190 , 356331766 , 573326148 , 4577691257 , 4180443141
n×2
210561974
n×3
315842961
n×4
421123948
n×5
526404935
n÷2
52640493.5
n÷3
35093662.333333
n÷3
26320246.75
n÷5
21056197.4
n2
11084086223694169
n3
1.1669435376236E+24
n4
1.2285696741429E+32
n5
1.2934502789203E+40
2 √n
10260.652367174
3 √n
472.18985198693
4 √n
101.29487828698
5 √n
40.2225860584
1 , 7 , 47 , 97 , 329 , 679 , 3299 , 4559 , 23093 , 31913 , 155053 , 320003 , 1085371 , 2240021 , 15040141 , 105280987
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
-105280986
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 105280987 can be divided by 16 positive divisors.
The sum of these divisors (counting 105280987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010001100111010111011011
3
Ternary
21100002211100211
4
Quaternary
12101213113123
5
Quinary
203422442422
6
Senary
14240311551
8
Octal
621472733
10
Decimal
105280987
12
Duodecimal
2b3125b7
16
Hexadecimal
64675db
20
Vigesimal
1ci0297
36
Base36
1qojbv
md5
04a859933dce05d3e43e5bc7274ac910
sha1
394114ae59a5ac576c3ba93e73569a1957a06bc0
sha256
354818235d12489e08cf08d6a9cc7593f4f355d86c2ea76af7b9252242936eed
sha512
d3b147ce769b2283e2127c704773d3ffcd4f18bd1d1710f6dac3a69e1dc48f9227e13a04f28c10c716c7988af1241bfc3fad69496915d3bfe290e2008810185d
ripemd-160
ae13992731aaf591496abbee974364051d82e34f
Diameter
210561974
Circumference
661499950.64376
Area
3.4821683852113E+16
Volume
4.8880816599366E+24
Surface area
1.3928673540845E+17
Circumference
661499950.64376
Perimeter
421123948
Area
11084086223694169
Diagonal
148889799.67543
Surface area
66504517342165014
Volume
1.1669435376236E+24
Space diagonal
182352018.555
Perimeter
315842961
Area
4.7995501237281E+15
Altitude
91176009.277499
Surface area
4.7995501237281E+15
Volume
1.3752561478591E+23
Height
49629933.225142