855105987 is an odd 9-digits composite number following 855105986
and preceding 855105988 . In scientific notation, it is written as 8.55105987 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 565693632 positive integers (up to 855105987) that are relatively prime to 855105987.
855105987 has 16 divisors, whose sum is 1148918400
The reverse of 855105987 is 789501558
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
eight hundred fifty-five million one hundred five thousand nine hundred eighty-seven
Scientific notation
8.55105987 × 10^8
Engineering notation
8.55105987 × 10^6
Prime Factorization
3 × 163 × 1049 × 1667
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
855105987
Product of the distinct prime numbers
The prime factorization of 855105987 is 3 × 163 × 1049 × 1667.
Since it has a total of 4 prime factors.
10 , 10 , 54 , 44 , 286 , 35 , 2256 , 1178 , 39118 , 84577 , 371465 , 766524 , 7172800 , 3629620 , 67506523 , 20239415 , 174858870 , 897802907 , 3358070608 , 5398756689
n×2
1710211974
n×3
2565317961
n×4
3420423948
n×5
4275529935
n÷2
427552993.5
n÷3
285035329
n÷3
213776496.75
n÷5
171021197.4
n2
731206249003244169
n3
6.2525884125449E+26
n4
5.3466257858139E+35
n5
4.5719317196981E+44
2 √n
29242.195317725
3 √n
949.16121234743
4 √n
171.00349504535
5 √n
61.151059982749
1 , 3 , 163 , 489 , 1049 , 1667 , 3147 , 5001 , 170987 , 271721 , 512961 , 815163 , 1748683 , 5246049 , 285035329 , 855105987
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
-855105986
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 855105987 can be divided by 16 positive divisors.
The sum of these divisors (counting 855105987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010111101111110000111000011
3
Ternary
2012121000212220010
4
Quaternary
302331332013003
5
Quinary
3222401342422
6
Senary
220503520003
8
Octal
6275760703
10
Decimal
855105987
12
Duodecimal
1ba459003
16
Hexadecimal
32f7e1c3
20
Vigesimal
d7484j7
36
Base36
e53w03
md5
f1240e2ef90500c5893aa7a1b2324768
sha1
380f790dee5307197ec3e5a833aceafc3ea681ae
sha256
b2083f520daa2648458778c05df580171b6900a5fd8c5e3cf2b50abc4b72c8cd
sha512
fe8b65a2cc0159de43767761ae58e165160bc7408e0c602fb7f7470b022d762d4ce3a545b9d1536d92fb01708a0936fbe683618a1539c4e4ce1859adde5f635b
ripemd-160
727c022698db2486a02815e29acfb979d76934c1
Diameter
1710211974
Circumference
5372789373.5997
Area
2.2971521801275E+18
Volume
2.6190781097029E+27
Surface area
9.1886087205102E+18
Circumference
5372789373.5997
Perimeter
3420423948
Area
731206249003244169
Diagonal
1209302484.0818
Surface area
4387237494019465014
Volume
6.2525884125449E+26
Space diagonal
1481087015.3403
Perimeter
2565317961
Area
3.1662159352137E+17
Altitude
740543507.67017
Surface area
3.1662159352137E+17
Volume
7.3687461107982E+25
Height
403100828.02728