987993890 is an even 9-digits composite number following 987993889
and preceding 987993891 . In scientific notation, it is written as 9.87993890 × 10^8.
The sum of its digits is 62. It has a total of 4 prime factors and 16 positive divisors.
There are 363617280 positive integers (up to 987993890) that are relatively prime to 987993890.
987993890 has 16 divisors, whose sum is 1509660504
The reverse of 987993890 is 098399789
Previous prime number is 313
Is Prime? no
Number parity even
Number length 9
Sum of Digits 62
Digital Root 8
Name
nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred ninety
Scientific notation
9.87993890 × 10^8
Engineering notation
9.87993890 × 10^6
Prime Factorization
2 × 65 × 313 × 24281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
987993890
Product of the distinct prime numbers
The prime factorization of 987993890 is 2 × 65 × 313 × 24281.
Since it has a total of 4 prime factors.
9 , 1 , 35 , 54 , 942 , 397 , 6539 , 7408 , 24811 , 72247 , 800152 , 964593 , 5089152 , 1892615 , 96518678 , 56624692 , 977951302 , 504695609 , 4548328310 , 155894834
n×2
1975987780
n×3
2963981670
n×4
3951975560
n×5
4939969450
n÷2
493996945
n÷3
329331296.66667
n÷3
246998472.5
n÷5
197598778
n2
976131926677332100
n3
9.6441237939113E+26
n4
9.528335382788E+35
n5
9.4139371400654E+44
2 √n
31432.370098356
3 √n
995.9818393435
4 √n
177.29176545558
5 √n
62.943494693252
1 , 2 , 65 , 130 , 313 , 626 , 20345 , 24281 , 40690 , 48562 , 1578265 , 3156530 , 7599953 , 15199906 , 493996945 , 987993890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987993889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987993890 can be divided by 16 positive divisors.
The sum of these divisors (counting 987993890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111000111001011100100010
3
Ternary
2112212002021211022
4
Quaternary
322320321130202
5
Quinary
4010411301030
6
Senary
242012045442
8
Octal
7270713442
10
Decimal
987993890
12
Duodecimal
236a63882
16
Hexadecimal
3ae39722
20
Vigesimal
f8ej4ea
36
Base36
gc84yq
md5
dcd189744649c351f6bc5a4c40ba4c02
sha1
bc72af47fa58b4db752f28010bf44355532d524d
sha256
b94473f1d40b25e495e13f25c5b8f85f52e8bf4e1aecb6053fc5b0f131aea9fc
sha512
7c19d3d72be5f7b0bc3dadec93506ccbd2a2a04f401e607e2f05cafd91faa5a20b47dee9db86be3d677c55e9780b0bb76f437b8f6d633d2e773127919bc61691
ripemd-160
a33d46d51b2a8a641d65f2c732263eac45774038
Diameter
1975987780
Circumference
6207748693.2312
Area
3.066608889784E+18
Volume
4.0397211281683E+27
Surface area
1.2266435559136E+19
Circumference
6207748693.2312
Perimeter
3951975560
Area
976131926677332100
Diagonal
1397234358.7798
Surface area
5856791560063992600
Volume
9.6441237939113E+26
Space diagonal
1711255615.0476
Perimeter
2963981670
Area
4.2267752297381E+17
Altitude
855627807.52381
Surface area
4.2267752297381E+17
Volume
1.1365708888795E+26
Height
465744786.25992