12981780 is an even 8-digits composite number following 12981779
and preceding 12981781 . In scientific notation, it is written as 1.2981780 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 2966976 positive integers (up to 12981780) that are relatively prime to 12981780.
12981780 has 24 divisors, whose sum is 26543104
The reverse of 12981780 is 08718921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred eighty-one thousand seven hundred eighty
Scientific notation
1.2981780 × 10^7
Engineering notation
1.2981780 × 10^6
Prime Factorization
2 × 2 × 45 × 7 × 10303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6490890
Product of the distinct prime numbers
The prime factorization of 12981780 is 2 × 2 × 45 × 7 × 10303.
Since it has a total of 5 prime factors.
1 , 3 , 41 , 33 , 737 , 402 , 6530 , 1829 , 30645 , 26335 , 255258 , 168650 , 7159001 , 3815588 , 87375253 , 16335117 , 868774787 , 981270877 , 4671258597 , 817854703
n×2
25963560
n×3
38945340
n×4
51927120
n×5
64908900
n÷2
6490890
n÷3
4327260
n÷3
3245445
n÷5
2596356
n2
168526611968400
n3
2.1877754007191E+21
n4
2.8401218941548E+28
n5
3.68698376031E+35
2 √n
3603.0237301467
3 √n
235.02356787927
4 √n
60.025192462388
5 √n
26.464692305624
1 , 2 , 4 , 7 , 14 , 28 , 45 , 90 , 180 , 315 , 630 , 1260 , 10303 , 20606 , 41212 , 72121 , 144242 , 288484 , 463635 , 927270 , 1854540 , 3245445 , 6490890 , 12981780
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981780 can be divided by 24 positive divisors.
The sum of these divisors (counting 12981780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110001100001011000010100
3
Ternary
220102112122200
4
Quaternary
301201120110
5
Quinary
11310404110
6
Senary
1142124500
8
Octal
61413024
10
Decimal
12981780
12
Duodecimal
4420730
16
Hexadecimal
c61614
20
Vigesimal
412e90
36
Base36
7q8t0
md5
d308c3845081757f26db64d072e1614e
sha1
c56e67c00f86f557b631564a6271ff6e3c66f5ed
sha256
7575c20d27f1f08192a2b7c19d3be206101abd25c2a33ea36cd8e85edffb090c
sha512
405a71aaa0d490c751eb594a5000b329711fa481d3d4180fa3c1f2e0eeaf355c72fb3536f6426d24d9ce0b6b05880ac4f8abee93fc564a67bb8b4f69449ab068
ripemd-160
a05f89bddf01ea6e26f0226996fed8e03c441558
Diameter
25963560
Circumference
81566929.357038
Area
5.294419660943E+14
Volume
9.1641321688049E+21
Surface area
2.1177678643772E+15
Circumference
81566929.357038
Perimeter
51927120
Area
168526611968400
Diagonal
18359009.339744
Surface area
1011159671810400
Volume
2.1877754007191E+21
Space diagonal
22485102.532681
Perimeter
38945340
Area
72974163589178
Altitude
11242551.266341
Surface area
72974163589178
Volume
2.578318035936E+20
Height
6119669.7799146