12961887 is an odd 8-digits composite number following 12961886
and preceding 12961888 . In scientific notation, it is written as 1.2961887 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 8360352 positive integers (up to 12961887) that are relatively prime to 12961887.
12961887 has 16 divisors, whose sum is 17854080
The reverse of 12961887 is 78816921
Previous prime number is 1093
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million nine hundred sixty-one thousand eight hundred eighty-seven
Scientific notation
1.2961887 × 10^7
Engineering notation
1.2961887 × 10^6
Prime Factorization
3 × 59 × 1093 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12961887
Product of the distinct prime numbers
The prime factorization of 12961887 is 3 × 59 × 1093 × 67.
Since it has a total of 4 prime factors.
2 , 6 , 81 , 46 , 88 , 467 , 5346 , 7162 , 7993 , 1747 , 11891 , 281740 , 9068086 , 5148476 , 22865254 , 49944045 , 248943408 , 964071386 , 6855815137 , 6858075725
n×2
25923774
n×3
38885661
n×4
51847548
n×5
64809435
n÷2
6480943.5
n÷3
4320629
n÷3
3240471.75
n÷5
2592377.4
n2
168010514600769
n3
2.177733305067E+21
n4
2.8227533016415E+28
n5
3.6588209324754E+35
2 √n
3600.2620737941
3 √n
234.90345815644
4 √n
60.002183908538
5 √n
26.456576544661
1 , 3 , 59 , 67 , 177 , 201 , 1093 , 3279 , 3953 , 11859 , 64487 , 73231 , 193461 , 219693 , 4320629 , 12961887
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
-12961886
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 12961887 can be divided by 16 positive divisors.
The sum of these divisors (counting 12961887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001011100100001011111
3
Ternary
220101112100220
4
Quaternary
301130201133
5
Quinary
11304240022
6
Senary
1141452423
8
Octal
61344137
10
Decimal
12961887
12
Duodecimal
4411113
16
Hexadecimal
c5c85f
20
Vigesimal
4104e7
36
Base36
7ptgf
md5
0be711594b526cffbeea32e238ce1fb2
sha1
582c708e603e2a1d2fc5ab96fda2d5ffa9df6a19
sha256
debe31ed31b6b362e5b0be93ab05f86c9cf8d74a364e98ee89cd08d1bbbdc05f
sha512
721ced1183508b2284ffc3a9b3b9810f2b425c5968e40d40196ca8dafe68a9a462282cf6b49187c01804c4fa92f838c9b6c889c74153ebacd30b03e347ce4062
ripemd-160
6a39345e7d575499196fe4499d27712a69e3085a
Diameter
25923774
Circumference
81441937.951722
Area
5.2782059839562E+14
Volume
9.1220679369018E+21
Surface area
2.1112823935825E+15
Circumference
81441937.951722
Perimeter
51847548
Area
168010514600769
Diagonal
18330876.389348
Surface area
1008063087604614
Volume
2.177733305067E+21
Space diagonal
22450646.845967
Perimeter
38885661
Area
72750686873581
Altitude
11225323.422983
Surface area
72750686873581
Volume
2.5664833127145E+20
Height
6110292.1297825