12985215 is an odd 8-digits composite number following 12985214
and preceding 12985216 . In scientific notation, it is written as 1.2985215 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 6925440 positive integers (up to 12985215) that are relatively prime to 12985215.
12985215 has 8 divisors, whose sum is 20776368
The reverse of 12985215 is 51258921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million nine hundred eighty-five thousand two hundred fifteen
Scientific notation
1.2985215 × 10^7
Engineering notation
1.2985215 × 10^6
Prime Factorization
3 × 5 × 865681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12985215
Product of the distinct prime numbers
The prime factorization of 12985215 is 3 × 5 × 865681.
Since it has a total of 3 prime factors.
5 , 8 , 13 , 17 , 929 , 348 , 8015 , 8578 , 17817 , 33760 , 340956 , 847531 , 1800029 , 7424980 , 16582624 , 69971565 , 151494536 , 988620338 , 4211708209 , 8435707220
n×2
25970430
n×3
38955645
n×4
51940860
n×5
64926075
n÷2
6492607.5
n÷3
4328405
n÷3
3246303.75
n÷5
2597043
n2
168615808596225
n3
2.1895125270208E+21
n4
2.8431290908559E+28
n5
3.6918642517518E+35
2 √n
3603.5003815734
3 √n
235.0442952567
4 √n
60.029162759224
5 √n
26.466092677499
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
-12985214
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 12985215 can be divided by 8 positive divisors.
The sum of these divisors (counting 12985215) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010001101111111
3
Ternary
220102201100220
4
Quaternary
301202031333
5
Quinary
11311011330
6
Senary
1142152423
8
Octal
61421577
10
Decimal
12985215
12
Duodecimal
4422713
16
Hexadecimal
c6237f
20
Vigesimal
41330f
36
Base36
7qbgf
md5
a53573afe85f9397be03694856a3f25e
sha1
183e0cef92c90ec9364e9ad5a6de5b6e48b51b16
sha256
f267d625cd93556560bab874f9e8c674f29bff878f73148d351eb3340f502680
sha512
cb7b4cc3ac228ef726199532e638020ff8e2f0975d58f9ec65530a9f5959026e8a9064ed204c9b79ab49a6ada68b4e71b5ea4dc70ab7221a7fe26b6268fad1ab
ripemd-160
b92f882fe4c3c1d6c3ee22b401ce831e755c3f45
Diameter
25970430
Circumference
81588512.098568
Area
5.29722185565E+14
Volume
9.1714086264419E+21
Surface area
2.11888874226E+15
Circumference
81588512.098568
Perimeter
51940860
Area
168615808596225
Diagonal
18363867.163331
Surface area
1011694851577350
Volume
2.1895125270208E+21
Space diagonal
22491052.127205
Perimeter
38955645
Area
73012786861993
Altitude
11245526.063603
Surface area
73012786861993
Volume
2.5803652589155E+20
Height
6121289.0544435