8987920121 is an odd 10-digits composite number following 8987920120
and preceding 8987920122 . In scientific notation, it is written as 8.987920121 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 8785474128 positive integers (up to 8987920121) that are relatively prime to 8987920121.
8987920121 has 8 divisors, whose sum is 9190853760
The reverse of 8987920121 is 1210297898
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
eight billion nine hundred eighty-seven million nine hundred twenty thousand one hundred twenty-one
Scientific notation
8.987920121 × 10^9
Engineering notation
8.987920121 × 10^9
Prime Factorization
47 × 787 × 242989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8987920121
Product of the distinct prime numbers
The prime factorization of 8987920121 is 47 × 787 × 242989.
Since it has a total of 3 prime factors.
3 , 4 , 42 , 23 , 754 , 883 , 6886 , 8024 , 42242 , 48123 , 387256 , 45734 , 779226 , 9527478 , 39230175 , 23221401 , 381327458 , 726267007 , 9177164084 , 8401785889
n×2
17975840242
n×3
26963760363
n×4
35951680484
n×5
44939600605
n÷2
4493960060.5
n÷3
2995973373.6667
n÷3
2246980030.25
n÷5
1797584024.2
n2
8.0782708101477E+19
n3
7.2606852757413E+29
n4
6.5258459282084E+39
n5
5.865378192469E+49
2 √n
94804.641874752
3 √n
2079.1527707835
4 √n
307.9036243287
5 √n
97.888537682511
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
-8987920120
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 8987920121 can be divided by 8 positive divisors.
The sum of these divisors (counting 8987920121) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010111101110001100011011111001
3
Ternary
212012101100122112102
4
Quaternary
20113232030123321
5
Quinary
121401401420441
6
Senary
4043510153145
8
Octal
102756143371
10
Decimal
8987920121
12
Duodecimal
18aa0527b5
16
Hexadecimal
217b8c6f9
20
Vigesimal
708ea061
36
Base36
44n6bjt
md5
f67dfd076a040c05603b9715a8b56f3d
sha1
2fc95c6570ca6b3c9f5fb50bfb6bd60286620e33
sha256
04ed41898864fb91d3413cf547282b9188a9eeeba9c7716784c00ed483c30e3d
sha512
9fb0c94e0811c165b15885c47a11f754d4e97658103d62662a14b465f8cd35cf889a1a0e997968d8adf20d936462dbc643d68b6ceb2f0ebccf147146c4ff92fd
ripemd-160
3b4c18c4ed48c95b8cd47cc934aa2e4047b9f5ca
Diameter
17975840242
Circumference
56472767646.371
Area
2.5378636230869E+20
Volume
3.0413487363062E+30
Surface area
1.0151454492348E+21
Circumference
56472767646.371
Perimeter
35951680484
Area
8.0782708101477E+19
Diagonal
12710838532.644
Surface area
4.8469624860886E+20
Volume
7.2606852757413E+29
Space diagonal
15567534303.943
Perimeter
26963760363
Area
3.4979938701191E+19
Altitude
7783767151.9713
Surface area
3.4979938701191E+19
Volume
8.5567996575633E+28
Height
4236946177.5481