12991607 is an odd 8-digits composite number following 12991606
and preceding 12991608 . In scientific notation, it is written as 1.2991607 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 12940800 positive integers (up to 12991607) that are relatively prime to 12991607.
12991607 has 4 divisors, whose sum is 13042416
The reverse of 12991607 is 70619921
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred ninety-one thousand six hundred seven
Scientific notation
1.2991607 × 10^7
Engineering notation
1.2991607 × 10^6
Prime Factorization
257 × 50551
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12991607
Product of the distinct prime numbers
The prime factorization of 12991607 is 257 × 50551.
Since it has a total of 2 prime factors.
10 , 3 , 100 , 82 , 462 , 697 , 6446 , 3793 , 95087 , 89623 , 656445 , 997148 , 6697920 , 4900546 , 52300483 , 50487664 , 82429210 , 678010390 , 6947086932 , 1978842910
n×2
25983214
n×3
38974821
n×4
51966428
n×5
64958035
n÷2
6495803.5
n÷3
4330535.6666667
n÷3
3247901.75
n÷5
2598321.4
n2
168781852442449
n3
2.1927474956643E+21
n4
2.8487313713905E+28
n5
3.7009598425676E+35
2 √n
3604.3871878587
3 √n
235.08285595008
4 √n
60.036548767053
5 √n
26.46869776281
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12991606
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12991607 can be divided by 4 positive divisors.
The sum of these divisors (counting 12991607) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100011110001110111
3
Ternary
220110001010122
4
Quaternary
301203301313
5
Quinary
11311212412
6
Senary
1142242155
8
Octal
61436167
10
Decimal
12991607
12
Duodecimal
442635b
16
Hexadecimal
c63c77
20
Vigesimal
413j07
36
Base36
7qgdz
md5
82696b01e171db71d5567741ff2e4538
sha1
1f1847e5dce2b744794cd033210b080784b6df36
sha256
c0df8b7b6eb2d57f34b383e34c3a34a3d09a66e217f69a0f3c98421fb9c39792
sha512
d2128a56c8cbd3020b175b052035255722555ebe67aa3e5ee512d901a593b94e19f23058f8541176af8dcaf830e06c22f6a19f654485bbc5947414bc290190e9
ripemd-160
54e828358507580d340061e7a2927e5b73c6ce44
Diameter
25983214
Circumference
81628674.219051
Area
5.3024382769247E+14
Volume
9.1849592314085E+21
Surface area
2.1209753107699E+15
Circumference
81628674.219051
Perimeter
51966428
Area
168781852442449
Diagonal
18372906.816421
Surface area
1012691114654694
Volume
2.1927474956643E+21
Space diagonal
22502123.395967
Perimeter
38974821
Area
73084685956479
Altitude
11251061.697984
Surface area
73084685956479
Volume
2.5841777060234E+20
Height
6124302.2721404