12509991 is an odd 8-digits composite number following 12509990
and preceding 12509992 . In scientific notation, it is written as 1.2509991 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 7426944 positive integers (up to 12509991) that are relatively prime to 12509991.
12509991 has 32 divisors, whose sum is 20664000
The reverse of 12509991 is 19990521
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million five hundred nine thousand nine hundred ninety-one
Scientific notation
1.2509991 × 10^7
Engineering notation
1.2509991 × 10^6
Prime Factorization
3 × 9 × 13 × 29 × 1229
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12509991
Product of the distinct prime numbers
The prime factorization of 12509991 is 3 × 9 × 13 × 29 × 1229.
Since it has a total of 5 prime factors.
6 , 8 , 64 , 55 , 515 , 611 , 5629 , 7066 , 49167 , 33733 , 812529 , 807338 , 9510150 , 1799675 , 59444677 , 77067147 , 963133425 , 234491065 , 782000345 , 6304439195
n×2
25019982
n×3
37529973
n×4
50039964
n×5
62549955
n÷2
6254995.5
n÷3
4169997
n÷3
3127497.75
n÷5
2501998.2
n2
156499874820081
n3
1.9578120255003E+21
n4
2.4492210818701E+28
n5
3.0639733691205E+35
2 √n
3536.9465644819
3 √n
232.14125736626
4 √n
59.472233558879
5 √n
26.269475364605
1 , 3 , 9 , 13 , 27 , 29 , 39 , 87 , 117 , 261 , 351 , 377 , 783 , 1131 , 1229 , 3393 , 3687 , 10179 , 11061 , 15977 , 33183 , 35641 , 47931 , 106923 , 143793 , 320769 , 431379 , 463333 , 962307 , 1389999 , 4169997 , 12509991
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12509990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12509991 can be divided by 32 positive divisors.
The sum of these divisors (counting 12509991) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101111101110001100100111
3
Ternary
212112120111000
4
Quaternary
233232030213
5
Quinary
11200304431
6
Senary
1124044343
8
Octal
57561447
10
Decimal
12509991
12
Duodecimal
42336b3
16
Hexadecimal
bee327
20
Vigesimal
3i3ejb
36
Base36
7g4rr
md5
40ba2050d319766d389a980469b99ae9
sha1
6a3913471855d97a3e36a0ac20d2c79d6adb2cf7
sha256
26c703b65e915291dc60dac5a630f02d9ee5401d9a03bac286ff3c7d8ec565c4
sha512
93984bdd911df9d71176c480da0a6fa781dd41fe743d8389b29bfc7ebf1cfc8104a8caa6f02a773b9d1131d13d0f6559e2f9f861a648a3662e4003d6d32e73d6
ripemd-160
da28d7f25ffd9a0dfbe8ccd0aedc3c3578e12cb8
Diameter
25019982
Circumference
78602591.644149
Area
4.9165885702249E+14
Volume
8.2008638352288E+21
Surface area
1.96663542809E+15
Circumference
78602591.644149
Perimeter
50039964
Area
156499874820081
Diagonal
17691798.937365
Surface area
938999248920486
Volume
1.9578120255003E+21
Space diagonal
21667940.014229
Perimeter
37529973
Area
67766433641637
Altitude
10833970.007115
Surface area
67766433641637
Volume
2.3073035991998E+20
Height
5897266.3124551