989721808 is an even 9-digits composite number following 989721807
and preceding 989721809 . In scientific notation, it is written as 9.89721808 × 10^8.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 493585664 positive integers (up to 989721808) that are relatively prime to 989721808.
989721808 has 20 divisors, whose sum is 1922527620
The reverse of 989721808 is 808127989
Previous prime number is 389
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
nine hundred eighty-nine million seven hundred twenty-one thousand eight hundred eight
Scientific notation
9.89721808 × 10^8
Engineering notation
9.89721808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 389 × 159017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
123715226
Product of the distinct prime numbers
The prime factorization of 989721808 is 2 × 2 × 2 × 2 × 389 × 159017.
Since it has a total of 6 prime factors.
5 , 7 , 51 , 11 , 885 , 620 , 3159 , 3272 , 83277 , 72121 , 633300 , 397746 , 5185983 , 6832739 , 42859526 , 63606586 , 408176093 , 82098670 , 2353719697 , 9520308983
n×2
1979443616
n×3
2969165424
n×4
3958887232
n×5
4948609040
n÷2
494860904
n÷3
329907269.33333
n÷3
247430452
n÷5
197944361.6
n2
979549257230788864
n3
9.6948126189151E+26
n4
9.5951674734139E+35
n5
9.49654649985E+44
2 √n
31459.844373423
3 √n
996.56213059797
4 √n
177.36923175518
5 √n
62.965495880231
1 , 2 , 4 , 8 , 16 , 389 , 778 , 1556 , 3112 , 6224 , 159017 , 318034 , 636068 , 1272136 , 2544272 , 61857613 , 123715226 , 247430452 , 494860904 , 989721808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-989721807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 989721808 can be divided by 20 positive divisors.
The sum of these divisors (counting 989721808) is 1, the average is 0.05.
Base
System
Value
2
Binary
111010111111011111010011010000
3
Ternary
2112222100002002021
4
Quaternary
322333133103100
5
Quinary
4011332044213
6
Senary
242113101224
8
Octal
7277372320
10
Decimal
989721808
12
Duodecimal
237557814
16
Hexadecimal
3afdf4d0
20
Vigesimal
f95f4a8
36
Base36
gd968g
md5
218d6f5affbb4d00911c85642c20cbc3
sha1
c4e57abdeef004f3bfd29eb407b73c0a0ea7fc2e
sha256
886e823e1a723e234bc4a571846d4db03eacd1e559620586c386161ab9c02c2b
sha512
82d12ee4b1ea8667f17ad8569b42270d8cc642ae9de2c41212280a38504c4f23949e351f4a077233b97ac3bf8b8ec394ba06cfce47785517cd909a90e3437c83
ripemd-160
3d79b0c7d9009c6744c929b707ed5d6458cc64e7
Diameter
1979443616
Circumference
6218605522.2208
Area
3.0773447503456E+18
Volume
4.0609536135351E+27
Surface area
1.2309379001382E+19
Circumference
6218605522.2208
Perimeter
3958887232
Area
979549257230788864
Diagonal
1399678003.85
Surface area
5877295543384733184
Volume
9.6948126189151E+26
Space diagonal
1714248456.8149
Perimeter
2969165424
Area
4.2415727051002E+17
Altitude
857124228.40746
Surface area
4.2415727051002E+17
Volume
1.1425446241946E+26
Height
466559334.61667