12542989 is an odd 8-digits prime number following 12542988
and preceding 12542990 . In scientific notation, it is written as 1.2542989 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 12542988 positive integers (up to 12542989) that are relatively prime to 12542989.
12542989 has 2 divisors, whose sum is 12542990
The reverse of 12542989 is 98924521
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million five hundred forty-two thousand nine hundred eighty-nine
Scientific notation
1.2542989 × 10^7
Engineering notation
1.2542989 × 10^6
Prime Factorization
12542989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12542989
Product of the distinct prime numbers
The prime factorization of 12542989 is 12542989.
Since it has a total of 1 prime factors.
8 , 2 , 83 , 63 , 545 , 899 , 4544 , 3812 , 37119 , 28679 , 783342 , 948913 , 274206 , 4507451 , 7460602 , 62320257 , 416563374 , 842666531 , 5518754984 , 7560224455
n×2
25085978
n×3
37628967
n×4
50171956
n×5
62714945
n÷2
6271494.5
n÷3
4180996.3333333
n÷3
3135747.25
n÷5
2508597.8
n2
157326573054121
n3
1.9733454752255E+21
n4
2.4751650588954E+28
n5
3.1045968106909E+35
2 √n
3541.6082504986
3 √n
232.34518695293
4 √n
59.511412775187
5 √n
26.283319131498
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12542990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6271495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3541.6083916774
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998405484
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12542989 can be divided by 2 positive divisors.
The sum of these divisors (counting 12542989) is 12542990, the average is 6271495.
Base
System
Value
2
Binary
101111110110010000001101
3
Ternary
212121020202011
4
Quaternary
233312100031
5
Quinary
11202333424
6
Senary
1124501221
8
Octal
57662015
10
Decimal
12542989
12
Duodecimal
424a811
16
Hexadecimal
bf640d
20
Vigesimal
3i7h99
36
Base36
7gu8d
md5
0ff74092734f836477d60aff176432cf
sha1
e399367bd2109b31376e627e8bcc9a174f80c507
sha256
613f9d55039567be4203730b561a58a24e88044800655fd67a9a7275551e7bb6
sha512
9bd5b08dfeb764e9537a4d8c91e69b6ae12afddb3bf544e738736604a209cf2ec906aab4da6283978e1c504b175384decc8054dc6a25629bdb9af0b47532c53e
ripemd-160
541223716cffefb91003debee4d2e16e9e7c0845
Diameter
25085978
Circumference
78809924.192915
Area
4.9425600612128E+14
Volume
8.2659301972843E+21
Surface area
1.9770240244851E+15
Circumference
78809924.192915
Perimeter
50171956
Area
157326573054121
Diagonal
17738465.156497
Surface area
943959438324726
Volume
1.9733454752255E+21
Space diagonal
21725094.226778
Perimeter
37628967
Area
68124404477609
Altitude
10862547.113389
Surface area
68124404477609
Volume
2.3256099452596E+20
Height
5912821.7188322