12890087 is an odd 8-digits composite number following 12890086
and preceding 12890088 . In scientific notation, it is written as 1.2890087 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 11048604 positive integers (up to 12890087) that are relatively prime to 12890087.
12890087 has 4 divisors, whose sum is 13153200
The reverse of 12890087 is 78009821
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million eight hundred ninety thousand eighty-seven
Scientific notation
1.2890087 × 10^7
Engineering notation
1.2890087 × 10^6
Prime Factorization
49 × 263063
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12890087
Product of the distinct prime numbers
The prime factorization of 12890087 is 49 × 263063.
Since it has a total of 2 prime factors.
4 , 8 , 37 , 90 , 381 , 145 , 5091 , 9780 , 46222 , 54468 , 49054 , 61523 , 7758829 , 7485273 , 543627 , 99036421 , 189989033 , 692439720 , 7777518256 , 1242623462
n×2
25780174
n×3
38670261
n×4
51560348
n×5
64450435
n÷2
6445043.5
n÷3
4296695.6666667
n÷3
3222521.75
n÷5
2578017.4
n2
166154342867569
n3
2.1417439349908E+21
n4
2.7607265653754E+28
n5
3.55860056109E+35
2 √n
3590.2767302814
3 √n
234.46891991743
4 √n
59.918917966544
5 √n
26.427201111989
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12890086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12890087 can be divided by 4 positive divisors.
The sum of these divisors (counting 12890087) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001010111111100111
3
Ternary
220020212212122
4
Quaternary
301022333213
5
Quinary
11244440322
6
Senary
1140140155
8
Octal
61127747
10
Decimal
12890087
12
Duodecimal
439765b
16
Hexadecimal
c4afe7
20
Vigesimal
40b547
36
Base36
7oa1z
md5
29f4fb792d08e332a5640e6a1c579d7c
sha1
2ba67ade9443fc5fd4b65a754c804527f3e78710
sha256
90807cf4c155651d0bf9ddfbdd5e2026f663016189c56368e39732cbe7721994
sha512
d353efdb7ea7769d34d3f65459990c93f247fef1cf229003c7f03268773dc7f92119ddda84caf391197c0c165b1019c6280b066fb477327b19cb500d03511342
ripemd-160
715cbceb22f5339e0023dadde44e99e0c6d7cedc
Diameter
25780174
Circumference
80990805.246667
Area
5.2198926291479E+14
Volume
8.9713160160501E+21
Surface area
2.0879570516592E+15
Circumference
80990805.246667
Perimeter
51560348
Area
166154342867569
Diagonal
18229335.855569
Surface area
996926057205414
Volume
2.1417439349908E+21
Space diagonal
22326285.597983
Perimeter
38670261
Area
71946940936212
Altitude
11163142.798992
Surface area
71946940936212
Volume
2.5240694333286E+20
Height
6076445.2851897