987994994 is an even 9-digits composite number following 987994993
and preceding 987994995 . In scientific notation, it is written as 9.87994994 × 10^8.
The sum of its digits is 68. It has a total of 4 prime factors and 16 positive divisors.
There are 417625632 positive integers (up to 987994994) that are relatively prime to 987994994.
987994994 has 16 divisors, whose sum is 1716908928
The reverse of 987994994 is 499499789
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 68
Digital Root 5
Name
nine hundred eighty-seven million nine hundred ninety-four thousand nine hundred ninety-four
Scientific notation
9.87994994 × 10^8
Engineering notation
9.87994994 × 10^6
Prime Factorization
2 × 7 × 73 × 966727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
987994994
Product of the distinct prime numbers
The prime factorization of 987994994 is 2 × 7 × 73 × 966727.
Since it has a total of 4 prime factors.
10 , 3 , 83 , 20 , 301 , 358 , 8559 , 2714 , 33337 , 67461 , 842898 , 59706 , 4614098 , 7628898 , 776374 , 60737901 , 87095353 , 311213351 , 1081464236 , 4477066667
n×2
1975989988
n×3
2963984982
n×4
3951979976
n×5
4939974970
n÷2
493997497
n÷3
329331664.66667
n÷3
246998748.5
n÷5
197598998.8
n2
976134108169060036
n3
9.6441561234369E+26
n4
9.5283779713101E+35
n5
9.4139897365942E+44
2 √n
31432.387659864
3 √n
995.98221031865
4 √n
177.29181498271
5 √n
62.943508760057
1 , 2 , 7 , 14 , 73 , 146 , 511 , 1022 , 966727 , 1933454 , 6767089 , 13534178 , 70571071 , 141142142 , 493997497 , 987994994
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
-987994993
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 987994994 can be divided by 16 positive divisors.
The sum of these divisors (counting 987994994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010111000111001101101110010
3
Ternary
2112212002100100012
4
Quaternary
322320321231302
5
Quinary
4010411314434
6
Senary
242012054522
8
Octal
7270715562
10
Decimal
987994994
12
Duodecimal
236a64442
16
Hexadecimal
3ae39b72
20
Vigesimal
f8ej79e
36
Base36
gc85te
md5
71870f809c4e8aa929a7ac9ad05d2bc8
sha1
9bb808568c75038320a47adda73733701f8fe0e7
sha256
e31132012320f6cb0fe06abf9d9bbf9c12b7aa207069a00e46f07e577c3034bc
sha512
1f8d816780fa4ad72d2f982a4e18a952441fdcd5a6545231fa69940b4f3e85fc335b308bca0be8892c19671047d53cfde2c3232304aa06f67bf8014a3f37d862
ripemd-160
e07b5d6857048c5ea6e7e058b45f43538a1c7a45
Diameter
1975989988
Circumference
6207755629.8678
Area
3.0666157431423E+18
Volume
4.0397346703283E+27
Surface area
1.2266462972569E+19
Circumference
6207755629.8678
Perimeter
3951979976
Area
976134108169060036
Diagonal
1397235920.0715
Surface area
5856804649014360216
Volume
9.6441561234369E+26
Space diagonal
1711257527.2317
Perimeter
2963984982
Area
4.2267846758744E+17
Altitude
855628763.61585
Surface area
4.2267846758744E+17
Volume
1.1365746989507E+26
Height
465745306.69051