12889870 is an even 8-digits composite number following 12889869
and preceding 12889871 . In scientific notation, it is written as 1.2889870 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 4367616 positive integers (up to 12889870) that are relatively prime to 12889870.
12889870 has 16 divisors, whose sum is 22157280
The reverse of 12889870 is 07898821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million eight hundred eighty-nine thousand eight hundred seventy
Scientific notation
1.2889870 × 10^7
Engineering notation
1.2889870 × 10^6
Prime Factorization
2 × 445 × 7 × 2069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12889870
Product of the distinct prime numbers
The prime factorization of 12889870 is 2 × 445 × 7 × 2069.
Since it has a total of 4 prime factors.
1 , 7 , 56 , 49 , 899 , 569 , 8865 , 8635 , 12872 , 27800 , 192249 , 854795 , 6415943 , 8923453 , 47166418 , 24521933 , 120590142 , 454274691 , 334027067 , 8507231840
n×2
25779740
n×3
38669610
n×4
51559480
n×5
64449350
n÷2
6444935
n÷3
4296623.3333333
n÷3
3222467.5
n÷5
2577974
n2
166148748616900
n3
2.1416357703345E+21
n4
2.7605406666962E+28
n5
3.5583010323427E+35
2 √n
3590.2465096425
3 √n
234.46760417661
4 √n
59.918665786568
5 √n
26.427112132896
1 , 2 , 7 , 14 , 445 , 890 , 2069 , 3115 , 4138 , 6230 , 14483 , 28966 , 920705 , 1841410 , 6444935 , 12889870
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
-12889869
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 12889870 can be divided by 16 positive divisors.
The sum of these divisors (counting 12889870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001010111100001110
3
Ternary
220020212120121
4
Quaternary
301022330032
5
Quinary
11244433440
6
Senary
1140135154
8
Octal
61127416
10
Decimal
12889870
12
Duodecimal
43974ba
16
Hexadecimal
c4af0e
20
Vigesimal
40b4da
36
Base36
7o9vy
md5
5b4c9322ef5926b0c3f4e36666a5dd6c
sha1
53f1ce7c257c898f3fd9f683a913158cc3d4361f
sha256
8b20e7bd7df50394510990e0ef55c051c1b43a8345b24afac53fe77d8e3e26cc
sha512
47ee93999ede99811c13c680f76164a9183eaf86a285f5f9ba9d12b8d153b45a2525445d93a22d042aef00c385e5499b5fb8921967a318e48dfc88a8c0c6c2c3
ripemd-160
2ac5c68d8e13e5230dee19dea76d05c11c1359bc
Diameter
25779740
Circumference
80989441.795455
Area
5.2197168805799E+14
Volume
8.9708629369974E+21
Surface area
2.087886752232E+15
Circumference
80989441.795455
Perimeter
51559480
Area
166148748616900
Diagonal
18229028.971226
Surface area
996892491701400
Volume
2.1416357703345E+21
Space diagonal
22325909.742958
Perimeter
38669610
Area
71944518554615
Altitude
11162954.871479
Surface area
71944518554615
Volume
2.5239419600587E+20
Height
6076342.9904087