12987427 is an odd 8-digits composite number following 12987426
and preceding 12987428 . In scientific notation, it is written as 1.2987427 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 12768000 positive integers (up to 12987427) that are relatively prime to 12987427.
12987427 has 8 divisors, whose sum is 13208832
The reverse of 12987427 is 72478921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred eighty-seven thousand four hundred twenty-seven
Scientific notation
1.2987427 × 10^7
Engineering notation
1.2987427 × 10^6
Prime Factorization
191 × 97 × 701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12987427
Product of the distinct prime numbers
The prime factorization of 12987427 is 191 × 97 × 701.
Since it has a total of 3 prime factors.
5 , 5 , 5 , 68 , 438 , 448 , 2373 , 8856 , 40121 , 90288 , 108404 , 972661 , 4207190 , 7868995 , 81996152 , 58605096 , 410795468 , 377455705 , 299568108 , 9685978646
n×2
25974854
n×3
38962281
n×4
51949708
n×5
64937135
n÷2
6493713.5
n÷3
4329142.3333333
n÷3
3246856.75
n÷5
2597485.4
n2
168673260080329
n3
2.1906316521453E+21
n4
2.8450668666126E+28
n5
3.695009824025E+35
2 √n
3603.8072922952
3 √n
235.05764090819
4 √n
60.031719051641
5 √n
26.466994303053
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
-12987426
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 12987427 can be divided by 8 positive divisors.
The sum of these divisors (counting 12987427) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010110000100011
3
Ternary
220102211101211
4
Quaternary
301202300203
5
Quinary
11311044202
6
Senary
1142210551
8
Octal
61426043
10
Decimal
12987427
12
Duodecimal
4423a57
16
Hexadecimal
c62c23
20
Vigesimal
4138b7
36
Base36
7qd5v
md5
6cfba40455c0295aa7783983c825ac4b
sha1
446bd3b80004e9f47769ea1627a3dd8785a7390c
sha256
07b1731aa98238eeee829837ab34bd68da1ac882f6fedcc1bb7265dc2335bdf5
sha512
e52aa329014b780cfd1f0768f88454a37c5617ce8ec6a1402ea2fb11144c39b9ec4ba253842a7a400ccee662d4a275a028c4f1de28ba5dce68f42c22dcea2222
ripemd-160
48631f23e20c8d7391713e48ca704502c2e6bf1a
Diameter
25974854
Circumference
81602410.504467
Area
5.299026747254E+14
Volume
9.1760964068012E+21
Surface area
2.1196106989016E+15
Circumference
81602410.504467
Perimeter
51949708
Area
168673260080329
Diagonal
18366995.403731
Surface area
1012039560481974
Volume
2.1906316521453E+21
Space diagonal
22494883.423592
Perimeter
38962281
Area
73037664084352
Altitude
11247441.711796
Surface area
73037664084352
Volume
2.581684160523E+20
Height
6122331.8012435