12991641 is an odd 8-digits composite number following 12991640
and preceding 12991642 . In scientific notation, it is written as 1.2991641 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 7945920 positive integers (up to 12991641) that are relatively prime to 12991641.
12991641 has 16 divisors, whose sum is 18768960
The reverse of 12991641 is 14619921
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million nine hundred ninety-one thousand six hundred forty-one
Scientific notation
1.2991641 × 10^7
Engineering notation
1.2991641 × 10^6
Prime Factorization
3 × 13 × 179 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12991641
Product of the distinct prime numbers
The prime factorization of 12991641 is 3 × 13 × 179 × 1861.
Since it has a total of 4 prime factors.
4 , 8 , 27 , 15 , 961 , 624 , 5004 , 8402 , 59528 , 48570 , 837582 , 912928 , 687709 , 7041317 , 15790656 , 15453870 , 528747996 , 315339337 , 8446303022 , 5374221131
n×2
25983282
n×3
38974923
n×4
51966564
n×5
64958205
n÷2
6495820.5
n÷3
4330547
n÷3
3247910.25
n÷5
2598328.2
n2
168782735872881
n3
2.1927647114583E+21
n4
2.8487611928735E+28
n5
3.7010082712544E+35
2 √n
3604.39190433
3 √n
235.08306102633
4 √n
60.036588047041
5 √n
26.468711616905
1 , 3 , 13 , 39 , 179 , 537 , 1861 , 2327 , 5583 , 6981 , 24193 , 72579 , 333119 , 999357 , 4330547 , 12991641
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12991640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12991641 can be divided by 16 positive divisors.
The sum of these divisors (counting 12991641) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100011110010011001
3
Ternary
220110001011220
4
Quaternary
301203302121
5
Quinary
11311213031
6
Senary
1142242253
8
Octal
61436231
10
Decimal
12991641
12
Duodecimal
4426389
16
Hexadecimal
c63c99
20
Vigesimal
413j21
36
Base36
7qgex
md5
4ab58c3d1e795966c2158d2077881d51
sha1
fae226bb43a6e908605b4b9aa0eccb5bfd37d1a2
sha256
658a6c4fa4baecbbe2a3143e8b6691dae2a48236f519888f70cd40f1e3535c67
sha512
9c72a4fd10282b81062b01459397443a307f0876dd4ffc3716fcc91fa7d95c9b903894dc0795a24487d5a6052f00946cbf1c05ad14cc914298114b1587a292d7
ripemd-160
afa7aaabdefaad4816dd059bc06e22c077ce26a0
Diameter
25983282
Circumference
81628887.847352
Area
5.3024660307103E+14
Volume
9.1850313447577E+21
Surface area
2.1209864122841E+15
Circumference
81628887.847352
Perimeter
51966564
Area
168782735872881
Diagonal
18372954.899682
Surface area
1012696415237286
Volume
2.1927647114583E+21
Space diagonal
22502182.285695
Perimeter
38974923
Area
73085068493077
Altitude
11251091.142847
Surface area
73085068493077
Volume
2.5841979950312E+20
Height
6124318.2998941