12390988 is an even 8-digits composite number following 12390987
and preceding 12390989 . In scientific notation, it is written as 1.2390988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 6185520 positive integers (up to 12390988) that are relatively prime to 12390988.
12390988 has 12 divisors, whose sum is 21719152
The reverse of 12390988 is 88909321
Previous prime number is 727
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million three hundred ninety thousand nine hundred eighty-eight
Scientific notation
1.2390988 × 10^7
Engineering notation
1.2390988 × 10^6
Prime Factorization
2 × 2 × 727 × 4261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6195494
Product of the distinct prime numbers
The prime factorization of 12390988 is 2 × 2 × 727 × 4261.
Since it has a total of 4 prime factors.
7 , 8 , 88 , 12 , 663 , 304 , 2227 , 1074 , 74500 , 23853 , 718346 , 433123 , 7936061 , 5882552 , 90014708 , 89460715 , 870397480 , 783079359 , 980970689 , 8514155434
n×2
24781976
n×3
37172964
n×4
49563952
n×5
61954940
n÷2
6195494
n÷3
4130329.3333333
n÷3
3097747
n÷5
2478197.6
n2
153536583616144
n3
1.9024699651486E+21
n4
2.3573482508517E+28
n5
2.9209873888125E+35
2 √n
3520.0835217364
3 √n
231.40281907657
4 √n
59.33029177188
5 √n
26.219305706086
1 , 2 , 4 , 727 , 1454 , 2908 , 4261 , 8522 , 17044 , 3097747 , 6195494 , 12390988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12390987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12390988 can be divided by 12 positive divisors.
The sum of these divisors (counting 12390988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111010001001001001100
3
Ternary
212022112020111
4
Quaternary
233101021030
5
Quinary
11133002423
6
Senary
1121325404
8
Octal
57211114
10
Decimal
12390988
12
Duodecimal
4196864
16
Hexadecimal
bd124c
20
Vigesimal
3h8h98
36
Base36
7dky4
md5
d02b69c38a544413b98e5bc64ccca00d
sha1
ec6c6a962b76380f66485e586f89935a2ec73e28
sha256
e839de0ab1f2876132f265a802ae35dbf8e004c51ebbeb2a3a2e50ac5da54a14
sha512
d1022904a4dccaa47f75f417e1f72990aed9e7e9830635445c8969a5821b8a6e29b5a97502021fa2c68960e639afd03554301a6fd0fc0ad6ba870381fa78db5a
ripemd-160
3832c00f386f14885397ed1a20fa69d9c9ff5875
Diameter
24781976
Circumference
77854873.743039
Area
4.8234940314575E+14
Volume
7.9690475549149E+21
Surface area
1.929397612583E+15
Circumference
77854873.743039
Perimeter
49563952
Area
153536583616144
Diagonal
17523503.280802
Surface area
921219501696864
Volume
1.9024699651486E+21
Space diagonal
21461820.771976
Perimeter
37172964
Area
66483290910927
Altitude
10730910.385988
Surface area
66483290910927
Volume
2.2420823556006E+20
Height
5841167.7602674