12931878 is an even 8-digits composite number following 12931877
and preceding 12931879 . In scientific notation, it is written as 1.2931878 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 4181760 positive integers (up to 12931878) that are relatively prime to 12931878.
12931878 has 16 divisors, whose sum is 25933680
The reverse of 12931878 is 87813921
Previous prime number is 5429
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred thirty-one thousand eight hundred seventy-eight
Scientific notation
1.2931878 × 10^7
Engineering notation
1.2931878 × 10^6
Prime Factorization
2 × 3 × 5429 × 397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12931878
Product of the distinct prime numbers
The prime factorization of 12931878 is 2 × 3 × 5429 × 397.
Since it has a total of 4 prime factors.
8 , 5 , 30 , 23 , 442 , 670 , 5593 , 2661 , 54841 , 68152 , 242118 , 67624 , 3624717 , 5640789 , 30391978 , 90703167 , 692138539 , 422245153 , 6221309176 , 5139672969
n×2
25863756
n×3
38795634
n×4
51727512
n×5
64659390
n÷2
6465939
n÷3
4310626
n÷3
3232969.5
n÷5
2586375.6
n2
167233468606884
n3
2.1626428135411E+21
n4
2.796703302229E+28
n5
3.6166625906622E+35
2 √n
3596.0920455405
3 √n
234.72203742826
4 √n
59.967424870012
5 √n
26.444314878326
1 , 2 , 3 , 6 , 397 , 794 , 1191 , 2382 , 5429 , 10858 , 16287 , 32574 , 2155313 , 4310626 , 6465939 , 12931878
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
-12931877
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 12931878 can be divided by 16 positive divisors.
The sum of these divisors (counting 12931878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010101001100100110
3
Ternary
220100000012110
4
Quaternary
301111030212
5
Quinary
11302310003
6
Senary
1141101450
8
Octal
61251446
10
Decimal
12931878
12
Duodecimal
43b7886
16
Hexadecimal
c55326
20
Vigesimal
40g9di
36
Base36
7p6au
md5
a7cbe05f40654218cdfa060639e48686
sha1
f52fa8049984d46b3086cc21aa229ff363adddfa
sha256
913a7fe96c9bcb149195001cfb92e91386b33df37db11392064ca324e1d8156e
sha512
5e3d96bf287a110f68fe5b3e250c7d02c7107e1211feff6ea42ff0f2cb45dacd2191ab80ae2cedda1ec72cda02653b328210a15b16c4334e5020207237d7af4e
ripemd-160
721b7fc25a831abef05a5acc71ee1e601ec5cb98
Diameter
25863756
Circumference
81253385.843839
Area
5.2537943640973E+14
Volume
9.0588570338124E+21
Surface area
2.1015177456389E+15
Circumference
81253385.843839
Perimeter
51727512
Area
167233468606884
Diagonal
18288437.254554
Surface area
1003400811641304
Volume
2.1626428135411E+21
Space diagonal
22398669.733282
Perimeter
38795634
Area
72414216088274
Altitude
11199334.866641
Surface area
72414216088274
Volume
2.5486989978987E+20
Height
6096145.7515181