12487961 is an odd 8-digits composite number following 12487960
and preceding 12487962 . In scientific notation, it is written as 1.2487961 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 12396672 positive integers (up to 12487961) that are relatively prime to 12487961.
12487961 has 4 divisors, whose sum is 12579252
The reverse of 12487961 is 16978421
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million four hundred eighty-seven thousand nine hundred sixty-one
Scientific notation
1.2487961 × 10^7
Engineering notation
1.2487961 × 10^6
Prime Factorization
137 × 91153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12487961
Product of the distinct prime numbers
The prime factorization of 12487961 is 137 × 91153.
Since it has a total of 2 prime factors.
10 , 2 , 100 , 90 , 886 , 328 , 8935 , 702 , 23231 , 26478 , 490029 , 236571 , 3749687 , 5888175 , 45951352 , 80025667 , 542282646 , 544091801 , 364596006 , 862782048
n×2
24975922
n×3
37463883
n×4
49951844
n×5
62439805
n÷2
6243980.5
n÷3
4162653.6666667
n÷3
3121990.25
n÷5
2497592.2
n2
155949169937521
n3
1.9474871521621E+21
n4
2.4320143604202E+28
n5
3.0370900484367E+35
2 √n
3533.8309240822
3 √n
232.00491096422
4 √n
59.44603371195
5 √n
26.260216770899
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
-12487960
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 12487961 can be divided by 4 positive divisors.
The sum of these divisors (counting 12487961) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111101000110100011001
3
Ternary
212111110021002
4
Quaternary
233220310121
5
Quinary
11144103321
6
Senary
1123354345
8
Octal
57506431
10
Decimal
12487961
12
Duodecimal
42229b5
16
Hexadecimal
be8d19
20
Vigesimal
3i0ji1
36
Base36
7fnrt
md5
a04cbab499fcdd5287b5cba457d0586f
sha1
5e4fd1cf2fc45cca8fcf3e772e036b9e7f3ed3b6
sha256
7f090074f4531749523b7b0b85b93b2001eeaa07399bbcba2ea5b39f46825527
sha512
17528aeb01818f9bec3968092a87baa27a2552a9a37047c8c9b3bc99ee93bacf360ded6a0d7448a385473f87c3bef9f9a0b3fa4b62e2e48e2b7d621ec902a920
ripemd-160
3c9d2a4bdf11b5ae7a2fb9d32a7a7b1ab207ca01
Diameter
24975922
Circumference
78464173.071832
Area
4.8992876660914E+14
Volume
8.1576151069241E+21
Surface area
1.9597150664366E+15
Circumference
78464173.071832
Perimeter
49951844
Area
155949169937521
Diagonal
17660643.812586
Surface area
935695019625126
Volume
1.9474871521621E+21
Space diagonal
21629782.934939
Perimeter
37463883
Area
67527971432495
Altitude
10814891.467469
Surface area
67527971432495
Volume
2.2951356192792E+20
Height
5886881.2708621