1028169985 is an odd 10-digits composite number following 1028169984
and preceding 1028169986 . In scientific notation, it is written as 1.028169985 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 817547328 positive integers (up to 1028169985) that are relatively prime to 1028169985.
1028169985 has 16 divisors, whose sum is 1241312256
The reverse of 1028169985 is 5899618201
Previous prime number is 607
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion twenty-eight million one hundred sixty-nine thousand nine hundred eighty-five
Scientific notation
1.028169985 × 10^9
Engineering notation
1.028169985 × 10^9
Prime Factorization
5 × 277 × 607 × 1223
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1028169985 Product of the distinct prime numbers
The prime factorization of 1028169985 is 5 × 277 × 607 × 1223.
Since it has a total of 4 prime factors.
1 , 4 , 80 , 60 , 148 , 986 , 9241 , 4982 , 31059 , 22228 , 151149 , 99755 , 4965504 , 5598271 , 17098437 , 36411843 , 912133951 , 177364517 , 4648587402 , 8702931957
n×2
2056339970
n×3
3084509955
n×4
4112679940
n×5
5140849925
n÷2
514084992.5
n÷3
342723328.33333
n÷3
257042496.25
n÷5
205633997
n2
1057133518054900225
n3
1.0869129534015E+27
n4
1.1175312749951E+36
n5
1.1490121142488E+45
2 √n32065.089817432
3 √n1009.3031774946
4 √n179.06727734969
5 √n63.447276461699
1 , 5 , 277 , 607 , 1223 , 1385 , 3035 , 6115 , 168139 , 338771 , 742361 , 840695 , 1693855 , 3711805 , 205633997 , 1028169985
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
-1028169984 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 1028169985 can be divided by 16 positive divisors.
The sum of these divisors (counting 1028169985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010001010000100000001
3
Ternary
2122122200110001211
4
Quaternary
331102022010001
5
Quinary
4101202414420
6
Senary
250005130121
8
Octal
7522120401
10
Decimal
1028169985
12
Duodecimal
2483b9941
16
Hexadecimal
3d48a101
20
Vigesimal
g1614j5
36
Base36
h0591d
md5
f7f3d494e1de06cc5a76b4d878d5494e
sha1
87796f702dd60069ff3620c4aca33b71117cdf22
sha256
4b06ee39a52e33a6527a42f0172d121ec360e31d388c51ef608dfacd3df5cedf
sha512
eec0b1c3949e5789532e416b7a9b999f7f981a7af79fc8931a4c247b0b393dda596033e0448f874638f655b94d822d60187faee0e9f47361bad8ffcd6c82c99a
ripemd-160
886134d2945fa63952c5272fc225eaf1d269968b
Diameter
2056339970
Circumference
6460182543.0351
Area
3.3210828941848E+18
Volume
4.5528503326637E+27
Surface area
1.3284331576739E+19
Circumference
6460182543.0351
Perimeter
4112679940
Area
1057133518054900225
Diagonal
1454051937.2119
Surface area
6342801108329401350
Volume
1.0869129534015E+27
Space diagonal
1780842652.8373
Perimeter
3084509955
Area
4.5775224091378E+17
Altitude
890421326.41867
Surface area
4.5775224091378E+17
Volume
1.2809391998495E+26
Height
484683979.07065