12989991 is an odd 8-digits composite number following 12989990
and preceding 12989992 . In scientific notation, it is written as 1.2989991 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 7422840 positive integers (up to 12989991) that are relatively prime to 12989991.
12989991 has 8 divisors, whose sum is 19794304
The reverse of 12989991 is 19998921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twelve million nine hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
1.2989991 × 10^7
Engineering notation
1.2989991 × 10^6
Prime Factorization
3 × 7 × 618571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12989991
Product of the distinct prime numbers
The prime factorization of 12989991 is 3 × 7 × 618571.
Since it has a total of 3 prime factors.
6 , 4 , 79 , 44 , 428 , 231 , 5593 , 2199 , 1907 , 17073 , 718287 , 277829 , 6713108 , 8523627 , 80835776 , 34441605 , 491721634 , 85515923 , 9554145817 , 8053745402
n×2
25979982
n×3
38969973
n×4
51959964
n×5
64949955
n÷2
6494995.5
n÷3
4329997
n÷3
3247497.75
n÷5
2597998.2
n2
168739866180081
n3
2.1919293430205E+21
n4
2.8473142438472E+28
n5
3.6986586401746E+35
2 √n
3604.1630096321
3 √n
235.07310838388
4 √n
60.034681723418
5 √n
26.468039252374
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
-12989990
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 12989991 can be divided by 8 positive divisors.
The sum of these divisors (counting 12989991) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100011011000100111
3
Ternary
220102221220210
4
Quaternary
301203120213
5
Quinary
11311134431
6
Senary
1142230503
8
Octal
61433047
10
Decimal
12989991
12
Duodecimal
4425433
16
Hexadecimal
c63627
20
Vigesimal
413ejb
36
Base36
7qf53
md5
43560f75fed01f5f826f227129c27f91
sha1
489e5925d70b0a5101b7a8b629ca228f1e297ae7
sha256
c136e61e7ebb6b98e2c7249e74c3835598abce7d4e8556e0b1abb79bfab4f055
sha512
5551fe8127386fc712c604c6cb372e85477b815be406f0acb75fdc9ed40af3e9874eb64c39b3480b90005bae269b9d258c54584240e0b61e77c53a4f1b319551
ripemd-160
39a45dc901c9ec0cd639109714a2a9b134ac089b
Diameter
25979982
Circumference
81618520.591595
Area
5.3011192395907E+14
Volume
9.181532161628E+21
Surface area
2.1204476958363E+15
Circumference
81618520.591595
Perimeter
51959964
Area
168739866180081
Diagonal
18370621.447304
Surface area
1012439197080486
Volume
2.1919293430205E+21
Space diagonal
22499324.401862
Perimeter
38969973
Area
73066505371568
Altitude
11249662.200931
Surface area
73066505371568
Volume
2.5832135038859E+20
Height
6123540.4824348