12987834 is an even 8-digits composite number following 12987833
and preceding 12987835 . In scientific notation, it is written as 1.2987834 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 4329276 positive integers (up to 12987834) that are relatively prime to 12987834.
12987834 has 8 divisors, whose sum is 25975680
The reverse of 12987834 is 43878921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million nine hundred eighty-seven thousand eight hundred thirty-four
Scientific notation
1.2987834 × 10^7
Engineering notation
1.2987834 × 10^6
Prime Factorization
2 × 3 × 2164639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12987834
Product of the distinct prime numbers
The prime factorization of 12987834 is 2 × 3 × 2164639.
Since it has a total of 3 prime factors.
7 , 10 , 32 , 93 , 653 , 450 , 2156 , 3098 , 18450 , 80790 , 631759 , 438549 , 9289663 , 6616415 , 37251449 , 29175898 , 615407958 , 433453809 , 1494536491 , 3352933529
n×2
25975668
n×3
38963502
n×4
51951336
n×5
64939170
n÷2
6493917
n÷3
4329278
n÷3
3246958.5
n÷5
2597566.8
n2
168683832011556
n3
2.19083760865E+21
n4
2.8454235182103E+28
n5
3.6955888314211E+35
2 √n
3603.863759911
3 √n
235.06009629473
4 √n
60.032189364632
5 √n
26.467160185513
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
-12987833
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 12987834 can be divided by 8 positive divisors.
The sum of these divisors (counting 12987834) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010110110111010
3
Ternary
220102211221220
4
Quaternary
301202312322
5
Quinary
11311102314
6
Senary
1142212510
8
Octal
61426672
10
Decimal
12987834
12
Duodecimal
4424136
16
Hexadecimal
c62dba
20
Vigesimal
4139be
36
Base36
7qdh6
md5
f1dae39abe4c76440f0abcdc799cb6ae
sha1
e65e3412c4db01a0101a91f1b5cab8e34a516670
sha256
2a18f6ed33304b5493c9284f90a3e87af9dd643385d976469a7fbe5ef4eebdb1
sha512
c19a4ec087679ec5b6c61c0b0a144a5016b67c3f03e8c6df9bffc61f0fcff310063a57c23b6c1bd08efdb0b99dccf41b0543ca0995177994c03d4397d4a25c56
ripemd-160
b43ad5b1a34a01615cf6b897ad67479f689b2bbe
Diameter
25975668
Circumference
81604967.760887
Area
5.2993588742688E+14
Volume
9.1769591153907E+21
Surface area
2.1197435497075E+15
Circumference
81604967.760887
Perimeter
51951336
Area
168683832011556
Diagonal
18367570.98865
Surface area
1012102992069336
Volume
2.19083760865E+21
Space diagonal
22495588.368271
Perimeter
38963502
Area
73042241864857
Altitude
11247794.184135
Surface area
73042241864857
Volume
2.5819268825915E+20
Height
6122523.6628835