987994906 is an even 9-digits composite number following 987994905
and preceding 987994907 . In scientific notation, it is written as 9.87994906 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 493997452 positive integers (up to 987994906) that are relatively prime to 987994906.
987994906 has 4 divisors, whose sum is 1481992362
The reverse of 987994906 is 609499789
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
nine hundred eighty-seven million nine hundred ninety-four thousand nine hundred six
Scientific notation
9.87994906 × 10^8
Engineering notation
9.87994906 × 10^6
Prime Factorization
2 × 493997453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987994906
Product of the distinct prime numbers
The prime factorization of 987994906 is 2 × 493997453.
Since it has a total of 2 prime factors.
9 , 4 , 30 , 52 , 503 , 588 , 84 , 6332 , 65666 , 51372 , 6856 , 479498 , 2163128 , 812862 , 79604425 , 81924975 , 561395870 , 10445533 , 2567560202 , 788225898
n×2
1975989812
n×3
2963984718
n×4
3951979624
n×5
4939974530
n÷2
493997453
n÷3
329331635.33333
n÷3
246998726.5
n÷5
197598981.2
n2
976133934281948836
n3
9.644153546443E+26
n4
9.5283745765676E+35
n5
9.4139855441087E+44
2 √n
31432.386260034
3 √n
995.98218074817
4 √n
177.2918110349
5 √n
62.94350763879
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
-987994905
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 987994906 can be divided by 4 positive divisors.
The sum of these divisors (counting 987994906) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111000111001101100011010
3
Ternary
2112212002100012221
4
Quaternary
322320321230122
5
Quinary
4010411314111
6
Senary
242012054254
8
Octal
7270715432
10
Decimal
987994906
12
Duodecimal
236a6438a
16
Hexadecimal
3ae39b1a
20
Vigesimal
f8ej756
36
Base36
gc85qy
md5
bcbf13145cd24b66f0378900c9472a47
sha1
989c0d01d9c1e271af13ac6c33f5592a2272daff
sha256
92c0e178c055937bf61a447e30321e0e4424bda64fd59daf53f1d874f90df857
sha512
aa5b02bbdc109e47c2bf958f5204454ac7880b0d1e6b3f28c308e27e3ec9daa41f2595802350f7e495b494ed2ec73b9196f0d38c98faeaa7e117137308ec6f61
ripemd-160
a7259ca9f7bb9087e9e15b709a3fc7e85378949e
Diameter
1975989812
Circumference
6207755076.9475
Area
3.0666151968599E+18
Volume
4.0397335908797E+27
Surface area
1.2266460787439E+19
Circumference
6207755076.9475
Perimeter
3951979624
Area
976133934281948836
Diagonal
1397235795.6207
Surface area
5856803605691693016
Volume
9.644153546443E+26
Space diagonal
1711257374.8112
Perimeter
2963984718
Area
4.2267839229211E+17
Altitude
855628687.40562
Surface area
4.2267839229211E+17
Volume
1.136574395249E+26
Height
465745265.20691