855221387 is an odd 9-digits composite number following 855221386
and preceding 855221388 . In scientific notation, it is written as 8.55221387 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 854861016 positive integers (up to 855221387) that are relatively prime to 855221387.
855221387 has 4 divisors, whose sum is 855581760
The reverse of 855221387 is 783122558
Previous prime number is 2389
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
eight hundred fifty-five million two hundred twenty-one thousand three hundred eighty-seven
Scientific notation
8.55221387 × 10^8
Engineering notation
8.55221387 × 10^6
Prime Factorization
2389 × 357983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
855221387
Product of the distinct prime numbers
The prime factorization of 855221387 is 2389 × 357983.
Since it has a total of 2 prime factors.
9 , 3 , 21 , 1 , 615 , 539 , 3497 , 4424 , 54463 , 84848 , 242683 , 720557 , 8187448 , 348703 , 57085971 , 18267974 , 625767096 , 829775540 , 3262391423 , 8220600601
n×2
1710442774
n×3
2565664161
n×4
3420885548
n×5
4276106935
n÷2
427610693.5
n÷3
285073795.66667
n÷3
213805346.75
n÷5
171044277.4
n2
731403620782203769
n3
6.2551201902218E+26
n4
5.3495125649332E+35
n5
4.5750175555561E+44
2 √n
29244.168427227
3 √n
949.20390813744
4 √n
171.00926415615
5 √n
61.15271041007
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-855221386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 855221387 can be divided by 4 positive divisors.
The sum of these divisors (counting 855221387) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010111110011010010010001011
3
Ternary
2012121020202012012
4
Quaternary
302332122102023
5
Quinary
3222414041022
6
Senary
220510210135
8
Octal
6276322213
10
Decimal
855221387
12
Duodecimal
1ba4b394b
16
Hexadecimal
32f9a48b
20
Vigesimal
d752d97
36
Base36
e56d1n
md5
d3788cae74ff0d5b86a04c18207fa702
sha1
4ef3ac3bec3d3eb8285ce12cf088345db41042fe
sha256
b352eb3a2300e203806d4b16b666f7ab27cdf4da7c1b74bf82eaabc2a6343b41
sha512
ac982be24e1d5fc1ca4916df1b342da5c9b96b6e431cc3049f9a7ca9e31315879acebd5e68220cd52430dbd56702821ab5f1466e514d5c4faff88cd7e1f3933e
ripemd-160
c60982b66ad42703e1f18fa31da22262f917d83f
Diameter
1710442774
Circumference
5373514453.1841
Area
2.2977722418583E+18
Volume
2.6201386182563E+27
Surface area
9.1910889674334E+18
Circumference
5373514453.1841
Perimeter
3420885548
Area
731403620782203769
Diagonal
1209465684.3269
Surface area
4388421724693222614
Volume
6.2551201902218E+26
Space diagonal
1481286894.0035
Perimeter
2565664161
Area
3.1670705800865E+17
Altitude
740643447.00176
Surface area
3.1670705800865E+17
Volume
7.3717298394045E+25
Height
403155228.10898