1247136906 is an even 10-digits composite number following 1247136905
and preceding 1247136907 . In scientific notation, it is written as 1.247136906 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 415712300 positive integers (up to 1247136906) that are relatively prime to 1247136906.
1247136906 has 8 divisors, whose sum is 2494273824
The reverse of 1247136906 is 6096317421
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred forty-seven million one hundred thirty-six thousand nine hundred six
Scientific notation
1.247136906 × 10^9
Engineering notation
1.247136906 × 10^9
Prime Factorization
2 × 3 × 207856151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1247136906
Product of the distinct prime numbers
The prime factorization of 1247136906 is 2 × 3 × 207856151.
Since it has a total of 3 prime factors.
3 , 5 , 81 , 21 , 187 , 588 , 6807 , 1858 , 47075 , 35464 , 939052 , 142566 , 3737119 , 1121153 , 78553257 , 29552726 , 432081710 , 236706500 , 9169680596 , 1594173585
n×2
2494273812
n×3
3741410718
n×4
4988547624
n×5
6235684530
n÷2
623568453
n÷3
415712302
n÷3
311784226.5
n÷5
249427381.2
n2
1555350462307252836
n3
1.9397349633075E+27
n4
2.4191150605994E+36
n5
3.0169676719339E+45
2 √n
35314.825583599
3 √n
1076.3942697466
4 √n
187.92239244858
5 √n
65.945144809057
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1247136905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1247136906 can be divided by 8 positive divisors.
The sum of these divisors (counting 1247136906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010010101011100110010001010
3
Ternary
10012220201010012210
4
Quaternary
1022111130302022
5
Quinary
10023231340111
6
Senary
323430245550
8
Octal
11225346212
10
Decimal
1247136906
12
Duodecimal
2a97b68b6
16
Hexadecimal
4a55cc8a
20
Vigesimal
j9ec256
36
Base36
kmigzu
md5
d11a188f579df45a13c60adb43cb28a0
sha1
badbcb6870e43de4e98d31ed4fbc8f54710f2446
sha256
f92c93f7500a44354f31d937c0f29634ea0e31e5481b9cbea53b0e1d5f78bd5c
sha512
815b479cecc5a68dad0122c0c8ee8c1dcd2280bec2debffef6cc9f139e7c0413b66f6d346f0aa6879d942d9d13b83724f740ad1a33f579a1413d342dd7e05e60
ripemd-160
12106a9034fbd3f4c7ea420569f748c0cf23d89d
Diameter
2494273812
Circumference
7835992283.8206
Area
4.886277586142E+18
Volume
8.1251428141843E+27
Surface area
1.9545110344568E+19
Circumference
7835992283.8206
Perimeter
4988547624
Area
1555350462307252836
Diagonal
1763717926.6012
Surface area
9.3321027738435E+18
Volume
1.9397349633075E+27
Space diagonal
2160104485.1863
Perimeter
3741410718
Area
6.7348650607298E+17
Altitude
1080052242.5931
Surface area
6.7348650607298E+17
Volume
2.285999577099E+26
Height
587905975.53374