987816961 is an odd 9-digits prime number following 987816960
and preceding 987816962 . In scientific notation, it is written as 9.87816961 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 987816960 positive integers (up to 987816961) that are relatively prime to 987816961.
987816961 has 2 divisors, whose sum is 987816962
The reverse of 987816961 is 169618789
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 55 Digital Root 1
Name
nine hundred eighty-seven million eight hundred sixteen thousand nine hundred sixty-one
Scientific notation
9.87816961 × 10^8
Engineering notation
9.87816961 × 10^6
Prime Factorization
987816961
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
987816961 Product of the distinct prime numbers
The prime factorization of 987816961 is 987816961.
Since it has a total of 1 prime factors.
6 , 5 , 45 , 25 , 346 , 381 , 1722 , 43 , 45070 , 19988 , 875558 , 512693 , 2277756 , 9958488 , 78776609 , 75414296 , 90538788 , 416419172 , 80449198 , 1881391902
n×2
1975633922
n×3
2963450883
n×4
3951267844
n×5
4939084805
n÷2
493908480.5
n÷3
329272320.33333
n÷3
246954240.25
n÷5
197563392.2
n2
975782348439275521
n3
9.6389435403273E+26
n4
9.5215119152567E+35
n5
9.4055109642541E+44
2 √n31429.555532969
3 √n995.9223826361
4 √n177.28382761259
5 √n62.941240159596
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
987816962 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
493908481 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
31429.555548878 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999979753 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987816961 can be divided by 2 positive divisors.
The sum of these divisors (counting 987816961) is 987816962, the average is 493908481.
Base
System
Value
2
Binary
111010111000001110010000000001
3
Ternary
2112211202022010101
4
Quaternary
322320032100001
5
Quinary
4010340120321
6
Senary
242004202401
8
Octal
7270162001
10
Decimal
987816961
12
Duodecimal
236999401
16
Hexadecimal
3ae0e401
20
Vigesimal
f8dh281
36
Base36
gc4cg1
md5
9a040da21f03fcfdf3fb04be6c8b803c
sha1
8f778286f991e3f22d989f2af7d976bb021c5dab
sha256
973796f75dd5b8b951a20e716b690143007a22bff916974033af2bba8eb5c667
sha512
5ec3f795585636d4e0b8d88609a435dc5b0c573b34c70f3d475660f6dd4932ca6ffbdf0b40eb965e5384a964c9b9fc8e41b8ecbdef701868144e5a46016a85c7
ripemd-160
7f7c3f67e5629ea49bed740a8411ea7a9d6d027b
Diameter
1975633922
Circumference
6206637015.538
Area
3.0655106573594E+18
Volume
4.0375512286212E+27
Surface area
1.2262042629438E+19
Circumference
6206637015.538
Perimeter
3951267844
Area
975782348439275521
Diagonal
1396984143.3884
Surface area
5854694090635653126
Volume
9.6389435403273E+26
Space diagonal
1710949165.0303
Perimeter
2963450883
Area
4.2252615115643E+17
Altitude
855474582.51514
Surface area
4.2252615115643E+17
Volume
1.1359603901399E+26
Height
465661381.12946