12869871 is an odd 8-digits composite number following 12869870
and preceding 12869872 . In scientific notation, it is written as 1.2869871 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 7299648 positive integers (up to 12869871) that are relatively prime to 12869871.
12869871 has 8 divisors, whose sum is 13582800
The reverse of 12869871 is 17896821
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million eight hundred sixty-nine thousand eight hundred seventy-one
Scientific notation
1.2869871 × 10^7
Engineering notation
1.2869871 × 10^6
Prime Factorization
21 × 139 × 4409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12869871
Product of the distinct prime numbers
The prime factorization of 12869871 is 21 × 139 × 4409.
Since it has a total of 3 prime factors.
3 , 6 , 99 , 59 , 51 , 691 , 4633 , 7866 , 35225 , 93606 , 210759 , 723815 , 1713683 , 6115434 , 63993688 , 59495769 , 90129582 , 111523717 , 7507759911 , 6929551211
n×2
25739742
n×3
38609613
n×4
51479484
n×5
64349355
n÷2
6434935.5
n÷3
4289957
n÷3
3217467.75
n÷5
2573974.2
n2
165633579556641
n3
2.1316828021622E+21
n4
2.7434482676746E+28
n5
3.5307825300146E+35
2 √n
3587.4602436822
3 √n
234.34628035648
4 √n
59.895410873306
5 √n
26.418906555584
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12869870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12869871 can be divided by 8 positive divisors.
The sum of these divisors (counting 12869871) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001000110000011101111
3
Ternary
220012212010220
4
Quaternary
301012003233
5
Quinary
11243313441
6
Senary
1135502423
8
Octal
61060357
10
Decimal
12869871
12
Duodecimal
4387a13
16
Hexadecimal
c460ef
20
Vigesimal
408edb
36
Base36
7nugf
md5
4a970bf7761859f7ae9c4d073be82dab
sha1
8ce79065104e34c00fb0a56959d2431ab44bc8c6
sha256
ed264bfd7331ad7b39d1989b358b97063da1ea49ea898a4f36623365f36cd61c
sha512
90b8b7633f67d110595c5fec410ef1c05a9c941e95141e89691c3059a7fed9f3b0638b5acf7ccf6f4649189f95c5eefd1b2270e2b1e436d1de54d08975476555
ripemd-160
d73c94f39194346c775ddfb35d1ce04f2ce12d9f
Diameter
25739742
Circumference
80863784.372497
Area
5.2035323672292E+14
Volume
8.9291720414087E+21
Surface area
2.0814129468917E+15
Circumference
80863784.372497
Perimeter
51479484
Area
165633579556641
Diagonal
18200746.114192
Surface area
993801477339846
Volume
2.1316828021622E+21
Space diagonal
22291270.458857
Perimeter
38609613
Area
71721443807901
Altitude
11145635.229429
Surface area
71721443807901
Volume
2.5122122745794E+20
Height
6066915.3713974