12900981 is an odd 8-digits composite number following 12900980
and preceding 12900982 . In scientific notation, it is written as 1.2900981 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 8105328 positive integers (up to 12900981) that are relatively prime to 12900981.
12900981 has 16 divisors, whose sum is 18201600
The reverse of 12900981 is 18900921
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million nine hundred thousand nine hundred eighty-one
Scientific notation
1.2900981 × 10^7
Engineering notation
1.2900981 × 10^6
Prime Factorization
3 × 19 × 947 × 239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12900981
Product of the distinct prime numbers
The prime factorization of 12900981 is 3 × 19 × 947 × 239.
Since it has a total of 4 prime factors.
3 , 2 , 11 , 100 , 949 , 211 , 906 , 5034 , 55840 , 63087 , 131175 , 559168 , 7424571 , 646337 , 15767051 , 32385733 , 655900422 , 724030018 , 1255504330 , 8623263642
n×2
25801962
n×3
38702943
n×4
51603924
n×5
64504905
n÷2
6450490.5
n÷3
4300327
n÷3
3225245.25
n÷5
2580196.2
n2
166435310762361
n3
2.1471787818743E+21
n4
2.7700712668564E+28
n5
3.573663678236E+35
2 √n
3591.7935631102
3 √n
234.53495477468
4 √n
59.931574008282
5 √n
26.43166656908
1 , 3 , 19 , 57 , 239 , 717 , 947 , 2841 , 4541 , 13623 , 17993 , 53979 , 226333 , 678999 , 4300327 , 12900981
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
-12900980
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 12900981 can be divided by 16 positive divisors.
The sum of these divisors (counting 12900981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001101101001110101
3
Ternary
220021102211010
4
Quaternary
301031221311
5
Quinary
11300312411
6
Senary
1140302433
8
Octal
61155165
10
Decimal
12900981
12
Duodecimal
43a1a19
16
Hexadecimal
c4da75
20
Vigesimal
40cc91
36
Base36
7oigl
md5
3cf05447f5c7206421517b948fda7a5d
sha1
19984ee16f8af36b07686fd2a27c6be438daab9a
sha256
4668b1069f44a12108907ac30e5f9bd4892f4d9ab8adc8efce171824eb439957
sha512
fa3192bd7dcdec5c0d5e9b5fedfd3425bb78623e6ecea17a77b434630b1980d687cf96becd143116e0e44518a91cfbab0c86ec5d1ddd3af84456daf683fbce60
ripemd-160
a2db6894da51566bab313bd901b4c493a4c265f0
Diameter
25801962
Circumference
81059254.267403
Area
5.2287194958897E+14
Volume
8.9940814494403E+21
Surface area
2.0914877983559E+15
Circumference
81059254.267403
Perimeter
51603924
Area
166435310762361
Diagonal
18244742.298118
Surface area
998611864574166
Volume
2.1471787818743E+21
Space diagonal
22345154.559481
Perimeter
38702943
Area
72068603603481
Altitude
11172577.27974
Surface area
72068603603481
Volume
2.5304744618053E+20
Height
6081580.7660392