12987841 is an odd 8-digits prime number following 12987840
and preceding 12987842 . In scientific notation, it is written as 1.2987841 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 12987840 positive integers (up to 12987841) that are relatively prime to 12987841.
12987841 has 2 divisors, whose sum is 12987842
The reverse of 12987841 is 14878921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred eighty-seven thousand eight hundred forty-one
Scientific notation
1.2987841 × 10^7
Engineering notation
1.2987841 × 10^6
Prime Factorization
12987841
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12987841
Product of the distinct prime numbers
The prime factorization of 12987841 is 12987841.
Since it has a total of 1 prime factors.
2 , 7 , 69 , 71 , 767 , 542 , 5822 , 7175 , 71134 , 24507 , 890713 , 759637 , 6571759 , 8483618 , 60555782 , 81234494 , 58711307 , 562105575 , 6207843461 , 8878346985
n×2
25975682
n×3
38963523
n×4
51951364
n×5
64939205
n÷2
6493920.5
n÷3
4329280.3333333
n÷3
3246960.25
n÷5
2597568.2
n2
168684013841281
n3
2.1908411510124E+21
n4
2.8454296525605E+28
n5
3.6955987904142E+35
2 √n
3603.8647310908
3 √n
235.06013852452
4 √n
60.032197453456
5 √n
26.467163038491
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12987842
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6493921
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3603.8648698307
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998460098
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12987841 can be divided by 2 positive divisors.
The sum of these divisors (counting 12987841) is 12987842, the average is 6493921.
Base
System
Value
2
Binary
110001100010110111000001
3
Ternary
220102211222011
4
Quaternary
301202313001
5
Quinary
11311102331
6
Senary
1142212521
8
Octal
61426701
10
Decimal
12987841
12
Duodecimal
4424141
16
Hexadecimal
c62dc1
20
Vigesimal
4139c1
36
Base36
7qdhd
md5
fff95e2651aab31a872f707c9090d528
sha1
27fc30e17409794a921a4480ab38b357b065515c
sha256
3f133656e4923911bc1015b3459612b5a7a60f1b9989ab16de25b98911b1bcc7
sha512
fbf0e79f66cc5c43a4c16bb80e98439de2c12c1ac830fee67f607e68fba59e8e9eeb473b36e3c7bf7410ac2e296ff9911889c2c315b332d8920b32579d23ed1a
ripemd-160
742ee7ab29fcf755c63cbd51acf523fd6b77536f
Diameter
25975682
Circumference
81605011.743185
Area
5.2993645866181E+14
Volume
9.1769739536035E+21
Surface area
2.1197458346472E+15
Circumference
81605011.743185
Perimeter
51951364
Area
168684013841281
Diagonal
18367580.888145
Surface area
1012104083047686
Volume
2.1908411510124E+21
Space diagonal
22495600.492626
Perimeter
38963523
Area
73042320599438
Altitude
11247800.246313
Surface area
73042320599438
Volume
2.5819310573056E+20
Height
6122526.9627151