289731661 is an odd 9-digits composite number following 289731660
and preceding 289731662 . In scientific notation, it is written as 2.89731661 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 287167552 positive integers (up to 289731661) that are relatively prime to 289731661.
289731661 has 4 divisors, whose sum is 292295772
The reverse of 289731661 is 166137982
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred eighty-nine million seven hundred thirty-one thousand six hundred sixty-one
Scientific notation
2.89731661 × 10^8
Engineering notation
2.89731661 × 10^6
Prime Factorization
113 × 2563997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
289731661
Product of the distinct prime numbers
The prime factorization of 289731661 is 113 × 2563997.
Since it has a total of 2 prime factors.
2 , 1 , 95 , 82 , 635 , 687 , 5478 , 2253 , 72000 , 64121 , 706749 , 41787 , 5299204 , 3211889 , 11090222 , 27365064 , 64148004 , 476500615 , 6112170635 , 885281098
n×2
579463322
n×3
869194983
n×4
1158926644
n×5
1448658305
n÷2
144865830.5
n÷3
96577220.333333
n÷3
72432915.25
n÷5
57946332.2
n2
83944435385818921
n3
2.432136069604E+25
n4
7.0466682322439E+33
n5
2.041642891444E+42
2 √n
17021.505838204
3 √n
661.70637498824
4 √n
130.46649316282
5 √n
49.249201246308
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
-289731660
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 289731661 can be divided by 4 positive divisors.
The sum of these divisors (counting 289731661) is 1, the average is 0.25.
Base
System
Value
2
Binary
10001010001001111010001001101
3
Ternary
202012011220010021
4
Quaternary
101101033101031
5
Quinary
1043132403121
6
Senary
44425542141
8
Octal
2121172115
10
Decimal
289731661
12
Duodecimal
81044951
16
Hexadecimal
1144f44d
20
Vigesimal
4aag931
36
Base36
4shydp
md5
39e63a897adfa31ceaf3db9ef3701c7d
sha1
9acbff39fc06cb31583befacbcbc3a2a9fe50bfd
sha256
700dea5d475887a8c73153032912053c4851270b5d7bb1bc3acc11a4785448cc
sha512
54e01e4dc24dd13f4bdaddba2620ac103980e24bed72c1505c217adfa85492cb8c990496fd101f697f315cb0587f8db6d9b8c2079a47395d3e7c6f2f6491f9e8
ripemd-160
fe8029bc427d4ddfabdda8afa8fdfde527e5daa4
Diameter
579463322
Circumference
1820437715.4199
Area
2.6371922151783E+17
Volume
1.0187707745065E+26
Surface area
1.0548768860713E+18
Circumference
1820437715.4199
Perimeter
1158926644
Area
83944435385818921
Diagonal
409742444.43508
Surface area
503666612314913526
Volume
2.432136069604E+25
Space diagonal
501829957.41332
Perimeter
869194983
Area
3.634900677523E+16
Altitude
250914978.70666
Surface area
3.634900677523E+16
Volume
2.8662998459757E+24
Height
136580814.81169