12939487 is an odd 8-digits composite number following 12939486
and preceding 12939488 . In scientific notation, it is written as 1.2939487 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 11741400 positive integers (up to 12939487) that are relatively prime to 12939487.
12939487 has 8 divisors, whose sum is 14141952
The reverse of 12939487 is 78493921
Previous prime number is 1187
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million nine hundred thirty-nine thousand four hundred eighty-seven
Scientific notation
1.2939487 × 10^7
Engineering notation
1.2939487 × 10^6
Prime Factorization
11 × 1187 × 991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12939487
Product of the distinct prime numbers
The prime factorization of 12939487 is 11 × 1187 × 991.
Since it has a total of 3 prime factors.
3 , 7 , 14 , 94 , 360 , 128 , 8863 , 108 , 61475 , 8013 , 329123 , 543454 , 5108326 , 101471 , 77967719 , 6692917 , 177031836 , 351677479 , 7565052353 , 9033213200
n×2
25878974
n×3
38818461
n×4
51757948
n×5
64697435
n÷2
6469743.5
n÷3
4313162.3333333
n÷3
3234871.75
n÷5
2587897.4
n2
167430323823169
n3
2.1664624985157E+21
n4
2.8032913335531E+28
n5
3.6273151767723E+35
2 √n
3597.1498439737
3 √n
234.76806450977
4 √n
59.976243996883
5 √n
26.447426065292
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
-12939486
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 12939487 can be divided by 8 positive divisors.
The sum of these divisors (counting 12939487) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010111000011011111
3
Ternary
220100101122021
4
Quaternary
301113003133
5
Quinary
11303030422
6
Senary
1141201011
8
Octal
61270337
10
Decimal
12939487
12
Duodecimal
4400167
16
Hexadecimal
c570df
20
Vigesimal
40h8e7
36
Base36
7pc67
md5
19bcda96a2448e270199928760fb6c24
sha1
435cad28c57811e14f6e150629f5f801edd994fe
sha256
acb1b093aeb18696e36c5a519051d335456248ea59a1058aa2cee844e70eddf7
sha512
4f2eb76ae27b1e3dcf7ed185cd1b30fa625547ea551f7e972193a55448953e5fb4cc9676504f2cca5ef789097e70c90c51dd55d98f374bd0bce7d0e504a45464
ripemd-160
cb0d6a8589f821a1e4f1b859bb74414401ddf743
Diameter
25878974
Circumference
81301194.600841
Area
5.2599787531103E+14
Volume
9.0748568928196E+21
Surface area
2.1039915012441E+15
Circumference
81301194.600841
Perimeter
51757948
Area
167430323823169
Diagonal
18299198.00555
Surface area
1004581942939014
Volume
2.1664624985157E+21
Space diagonal
22411848.907877
Perimeter
38818461
Area
72499456897360
Altitude
11205924.453938
Surface area
72499456897360
Volume
2.5532005398113E+20
Height
6099732.6685168