12987835 is an odd 8-digits composite number following 12987834
and preceding 12987836 . In scientific notation, it is written as 1.2987835 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 8875008 positive integers (up to 12987835) that are relatively prime to 12987835.
12987835 has 16 divisors, whose sum is 17873856
The reverse of 12987835 is 53878921
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million nine hundred eighty-seven thousand eight hundred thirty-five
Scientific notation
1.2987835 × 10^7
Engineering notation
1.2987835 × 10^6
Prime Factorization
5 × 7 × 433 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12987835
Product of the distinct prime numbers
The prime factorization of 12987835 is 5 × 7 × 433 × 857.
Since it has a total of 4 prime factors.
9 , 7 , 92 , 28 , 482 , 347 , 6928 , 6071 , 61981 , 44568 , 451799 , 912024 , 539675 , 8951730 , 5768406 , 29745730 , 481116446 , 451116108 , 6021704376 , 7535157666
n×2
25975670
n×3
38963505
n×4
51951340
n×5
64939175
n÷2
6493917.5
n÷3
4329278.3333333
n÷3
3246958.75
n÷5
2597567
n2
168683857987225
n3
2.1908381147015E+21
n4
2.8454243945454E+28
n5
3.6955902541331E+35
2 √n
3603.863898651
3 √n
235.06010232756
4 √n
60.032190520178
5 √n
26.467160593081
1 , 5 , 7 , 35 , 433 , 857 , 2165 , 3031 , 4285 , 5999 , 15155 , 29995 , 371081 , 1855405 , 2597567 , 12987835
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
-12987834
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 12987835 can be divided by 16 positive divisors.
The sum of these divisors (counting 12987835) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100010110110111011
3
Ternary
220102211221221
4
Quaternary
301202312323
5
Quinary
11311102320
6
Senary
1142212511
8
Octal
61426673
10
Decimal
12987835
12
Duodecimal
4424137
16
Hexadecimal
c62dbb
20
Vigesimal
4139bf
36
Base36
7qdh7
md5
a5ace4f77ba57b05e76d378b393dfef5
sha1
e6452020ecc84cf5311915d5c4309eef977331a0
sha256
bb0f1f3fa2cabc70b57af7afca95e64d3796bcc724dcf2317b649a2c8e27d566
sha512
0ffd1d8043f0967c0c03a1cf05e293b9f76aea740b090edadb1779d346191a10c1c19690cdf52c43262a3c629efba14cf3ce80a26c5d041e47a56adc79949a10
ripemd-160
757259a70faca59cdda2f277e9d2518eecc86e56
Diameter
25975670
Circumference
81604974.044073
Area
5.2993596903185E+14
Volume
9.1769612351344E+21
Surface area
2.1197438761274E+15
Circumference
81604974.044073
Perimeter
51951340
Area
168683857987225
Diagonal
18367572.402864
Surface area
1012103147923350
Volume
2.1908381147015E+21
Space diagonal
22495590.100321
Perimeter
38963505
Area
73042253112652
Altitude
11247795.050161
Surface area
73042253112652
Volume
2.581927478979E+20
Height
6122524.134288