987994993 is an odd 9-digits prime number following 987994992
and preceding 987994994 . In scientific notation, it is written as 9.87994993 × 10^8.
The sum of its digits is 67. It has a total of 1 prime factors and 2 positive divisors.
There are 987994992 positive integers (up to 987994993) that are relatively prime to 987994993.
987994993 has 2 divisors, whose sum is 987994994
The reverse of 987994993 is 399499789
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 67
Digital Root 4
Name
nine hundred eighty-seven million nine hundred ninety-four thousand nine hundred ninety-three
Scientific notation
9.87994993 × 10^8
Engineering notation
9.87994993 × 10^6
Prime Factorization
987994993
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
987994993
Product of the distinct prime numbers
The prime factorization of 987994993 is 987994993.
Since it has a total of 1 prime factors.
7 , 10 , 45 , 22 , 492 , 97 , 4849 , 3104 , 81982 , 79800 , 830880 , 34473 , 5168650 , 7202535 , 79624734 , 56124875 , 231556209 , 731222571 , 3519710238 , 3814273261
n×2
1975989986
n×3
2963984979
n×4
3951979972
n×5
4939974965
n÷2
493997496.5
n÷3
329331664.33333
n÷3
246998748.25
n÷5
197598998.6
n2
976134106193070049
n3
9.6441560941528E+26
n4
9.5283779327334E+35
n5
9.4139896889523E+44
2 √n
31432.387643957
3 √n
995.98220998262
4 √n
177.29181493785
5 √n
62.943508747315
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
987994994
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
493997497
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
31432.387659864
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999979757
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987994993 can be divided by 2 positive divisors.
The sum of these divisors (counting 987994993) is 987994994, the average is 493997497.
Base
System
Value
2
Binary
111010111000111001101101110001
3
Ternary
2112212002100100011
4
Quaternary
322320321231301
5
Quinary
4010411314433
6
Senary
242012054521
8
Octal
7270715561
10
Decimal
987994993
12
Duodecimal
236a64441
16
Hexadecimal
3ae39b71
20
Vigesimal
f8ej79d
36
Base36
gc85td
md5
fe28a38e6c1ab425e0d81dd5025568b0
sha1
d85354af22abdeb0fe9589126d5eb98bf5f4278f
sha256
d3d224ae13d7372e0d95f00063ae656f505ebb072a30f8836bd48ce0e4521a2d
sha512
ef33aedb464b4219529f6c8ec9e032b520ce6bd1f82b98ffc57a4fcae291b8ac92960ee876d1e06a52e83ec88d970180036243fe65ea9b3d30293ef4e1db7547
ripemd-160
da57e281aef0ab5f2065b69d6e16999785553401
Diameter
1975989986
Circumference
6207755623.5846
Area
3.0666157369346E+18
Volume
4.0397346580618E+27
Surface area
1.2266462947738E+19
Circumference
6207755623.5846
Perimeter
3951979972
Area
976134106193070049
Diagonal
1397235918.6573
Surface area
5856804637158420294
Volume
9.6441560941528E+26
Space diagonal
1711257525.4997
Perimeter
2963984979
Area
4.2267846673181E+17
Altitude
855628762.74983
Surface area
4.2267846673181E+17
Volume
1.1365746954995E+26
Height
465745306.2191