12961640 is an even 8-digits composite number following 12961639
and preceding 12961641 . In scientific notation, it is written as 1.2961640 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 5160000 positive integers (up to 12961640) that are relatively prime to 12961640.
12961640 has 32 divisors, whose sum is 29302560
The reverse of 12961640 is 04616921
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred sixty-one thousand six hundred forty
Scientific notation
1.2961640 × 10^7
Engineering notation
1.2961640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 251 × 1291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3240410
Product of the distinct prime numbers
The prime factorization of 12961640 is 2 × 2 × 2 × 5 × 251 × 1291.
Since it has a total of 6 prime factors.
6 , 8 , 77 , 47 , 181 , 214 , 206 , 2483 , 13415 , 41670 , 313463 , 594323 , 1476729 , 1074024 , 50723822 , 69176010 , 255122503 , 434182162 , 7163788912 , 4196776915
n×2
25923280
n×3
38884920
n×4
51846560
n×5
64808200
n÷2
6480820
n÷3
4320546.6666667
n÷3
3240410
n÷5
2592328
n2
168004111489600
n3
2.1776088116481E+21
n4
2.822538147741E+28
n5
3.6584723357286E+35
2 √n
3600.2277705723
3 √n
234.90196605058
4 √n
60.001898058081
5 √n
26.45647571329
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 251 , 502 , 1004 , 1255 , 1291 , 2008 , 2510 , 2582 , 5020 , 5164 , 6455 , 10040 , 10328 , 12910 , 25820 , 51640 , 324041 , 648082 , 1296164 , 1620205 , 2592328 , 3240410 , 6480820 , 12961640
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
-12961639
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 12961640 can be divided by 32 positive divisors.
The sum of these divisors (counting 12961640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001011100011101101000
3
Ternary
220101112000202
4
Quaternary
301130131220
5
Quinary
11304233030
6
Senary
1141451332
8
Octal
61343550
10
Decimal
12961640
12
Duodecimal
4410b48
16
Hexadecimal
c5c768
20
Vigesimal
410420
36
Base36
7pt9k
md5
821607b995a8f72f159331ff3ebb3819
sha1
d274b6428470b446f17a02afc00cb2ef19ab7552
sha256
786e73e50186641e5113764204651c5d20e0d0cf3dfb9e14eebce3a5ad3cefa8
sha512
cceba5070b732b77086eb21b326b87877290fa1fb05db724d02e86a0178c86a2f20d68c2d860e5ba848c900db280b513474b99ef689995cf004fead882d54a7a
ripemd-160
d53b4af4a2d4b199942bd3aceb74367dc9907fe3
Diameter
25923280
Circumference
81440386.004951
Area
5.2780048242861E+14
Volume
9.1215464600879E+21
Surface area
2.1112019297144E+15
Circumference
81440386.004951
Perimeter
51846560
Area
168004111489600
Diagonal
18330527.078598
Surface area
1008024668937600
Volume
2.1776088116481E+21
Space diagonal
22450219.029417
Perimeter
38884920
Area
72747914245113
Altitude
11225109.514709
Surface area
72747914245113
Volume
2.5663365958132E+20
Height
6110175.6928659