8461387989 is an odd 10-digits composite number following 8461387988
and preceding 8461387990 . In scientific notation, it is written as 8.461387989 × 10^9.
The sum of its digits is 63. It has a total of 2 prime factors and 4 positive divisors.
There are 5640925320 positive integers (up to 8461387989) that are relatively prime to 8461387989.
8461387989 has 4 divisors, whose sum is 9401542220
The reverse of 8461387989 is 9897831648
Previous prime number is 9
Is Prime? no Number parity odd Number length 10 Sum of Digits 63 Digital Root 9
Name
eight billion four hundred sixty-one million three hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
8.461387989 × 10^9
Engineering notation
8.461387989 × 10^9
Prime Factorization
9 × 940154221
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
8461387989 Product of the distinct prime numbers
The prime factorization of 8461387989 is 9 × 940154221.
Since it has a total of 2 prime factors.
2 , 5 , 5 , 67 , 180 , 685 , 575 , 1148 , 72806 , 35232 , 594801 , 545164 , 5741206 , 2654134 , 67211170 , 78937498 , 909964781 , 690271682 , 1810113464 , 3808621925
n×2
16922775978
n×3
25384163967
n×4
33845551956
n×5
42306939945
n÷2
4230693994.5
n÷3
2820462663
n÷3
2115346997.25
n÷5
1692277597.8
n2
7.1595086700393E+19
n3
6.0579380667812E+29
n4
5.1258564396369E+39
n5
4.3371860111682E+49
2 √n91985.803192667
3 √n2037.7326459681
4 √n303.2916141153
5 √n96.713772021903
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
-8461387988 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 8461387989 can be divided by 4 positive divisors.
The sum of these divisors (counting 8461387989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111000010101101000100011010101
3
Ternary
210211200121001020100
4
Quaternary
13320111220203111
5
Quinary
114312103403424
6
Senary
3515340524313
8
Octal
77025504325
10
Decimal
8461387989
12
Duodecimal
1781850699
16
Hexadecimal
1f85688d5
20
Vigesimal
6c43d9j9
36
Base36
3vxowr9
md5
f6f82b8abba73f4a6e94f7a207623468
sha1
6bdbc5caccd94c7057ae777a8ce53819b5501d86
sha256
a81e4aa38498864b4b06edf351c260cdd57826cde1eeefc310b4de88ac2287f5
sha512
4911fd01f21336f17b3790e1bf1c119ee671e23e7b931a9ebdd8c472b88b84050ae3441b477b94de65a93fb542a684c55d33742239e75adf5af36aef64b86c31
ripemd-160
0b17d3f408cbb3dd043dfa5198e6694761e47c03
Diameter
16922775978
Circumference
53164468690.831
Area
2.2492259841108E+20
Volume
2.5375431635336E+30
Surface area
8.9969039364432E+20
Circumference
53164468690.831
Perimeter
33845551956
Area
7.1595086700393E+19
Diagonal
11966209650.545
Surface area
4.2957052020236E+20
Volume
6.0579380667812E+29
Space diagonal
14655553899.501
Perimeter
25384163967
Area
3.1001581934345E+19
Altitude
7327776949.7505
Surface area
3.1001581934345E+19
Volume
7.1393484783819E+28
Height
3988736550.1815