289156721 is an odd 9-digits composite number following 289156720
and preceding 289156722 . In scientific notation, it is written as 2.89156721 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 244702080 positive integers (up to 289156721) that are relatively prime to 289156721.
289156721 has 16 divisors, whose sum is 334688640
The reverse of 289156721 is 127651982
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred eighty-nine million one hundred fifty-six thousand seven hundred twenty-one
Scientific notation
2.89156721 × 10^8
Engineering notation
2.89156721 × 10^6
Prime Factorization
7 × 137 × 211 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
289156721
Product of the distinct prime numbers
The prime factorization of 289156721 is 7 × 137 × 211 × 1429.
Since it has a total of 4 prime factors.
2 , 3 , 66 , 63 , 203 , 247 , 8977 , 6496 , 85502 , 28610 , 715375 , 494155 , 7439604 , 1913380 , 40234843 , 48836890 , 624588671 , 785653236 , 9602420960 , 8161633747
n×2
578313442
n×3
867470163
n×4
1156626884
n×5
1445783605
n÷2
144578360.5
n÷3
96385573.666667
n÷3
72289180.25
n÷5
57831344.2
n2
83611609299471841
n3
2.4176858782568E+25
n4
6.9909012096475E+33
n5
2.0214660706166E+42
2 √n
17004.608816436
3 √n
661.26839111088
4 √n
130.40172091056
5 √n
49.22963980942
1 , 7 , 137 , 211 , 959 , 1429 , 1477 , 10003 , 28907 , 195773 , 202349 , 301519 , 1370411 , 2110633 , 41308103 , 289156721
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
-289156720
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 289156721 can be divided by 16 positive divisors.
The sum of these divisors (counting 289156721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001001111000010111001110001
3
Ternary
202011002200110012
4
Quaternary
101033002321301
5
Quinary
1043011003341
6
Senary
44405344305
8
Octal
2117027161
10
Decimal
289156721
12
Duodecimal
80a08095
16
Hexadecimal
113c2e71
20
Vigesimal
4a74bg1
36
Base36
4s5mr5
md5
78416d5732f8100e6721f0dcbf83e107
sha1
387188d35e8e3167c30d8235565ffe8a469e2793
sha256
9b114dc015b4bd6b5ad88d1fde40ede4b010e4fbff312f120a1dd6fa9856eae9
sha512
b19107d444e7e32eed9b6ee89d37433e373fc5a9c4b2bfe52a99726a8956a83594a8bae1debef1de47720c9ce56c7c3aacfdd5ac8f76aba9e53a6a467a193669
ripemd-160
9a8eda1cb640a62b4cab1283ddc955c241da6cd0
Diameter
578313442
Circumference
1816825260.8594
Area
2.6267361753004E+17
Volume
1.0127178925093E+26
Surface area
1.0506944701202E+18
Circumference
1816825260.8594
Perimeter
1156626884
Area
83611609299471841
Diagonal
408929356.48953
Surface area
501669655796831046
Volume
2.4176858782568E+25
Space diagonal
500834132.12202
Perimeter
867470163
Area
3.6204888852321E+16
Altitude
250417066.06101
Surface area
3.6204888852321E+16
Volume
2.8492701321573E+24
Height
136309785.49651