291220081 is an odd 9-digits composite number following 291220080
and preceding 291220082 . In scientific notation, it is written as 2.91220081 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 264128256 positive integers (up to 291220081) that are relatively prime to 291220081.
291220081 has 16 divisors, whose sum is 319718016
The reverse of 291220081 is 180022192
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
two hundred ninety-one million two hundred twenty thousand eighty-one
Scientific notation
2.91220081 × 10^8
Engineering notation
2.91220081 × 10^6
Prime Factorization
17 × 37 × 107 × 4327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
291220081
Product of the distinct prime numbers
The prime factorization of 291220081 is 17 × 37 × 107 × 4327.
Since it has a total of 4 prime factors.
3 , 7 , 49 , 59 , 602 , 4 , 9253 , 3909 , 19705 , 15124 , 442522 , 660457 , 8663540 , 9283989 , 80415442 , 93398776 , 217225368 , 104172096 , 9944087947 , 8072533736
n×2
582440162
n×3
873660243
n×4
1164880324
n×5
1456100405
n÷2
145610040.5
n÷3
97073360.333333
n÷3
72805020.25
n÷5
58244016.2
n2
84809135577646561
n3
2.4698123332462E+25
n4
7.1925894774276E+33
n5
2.0946264902162E+42
2 √n
17065.171578393
3 √n
662.83755414755
4 √n
130.63373063031
5 √n
49.299698542702
1 , 17 , 37 , 107 , 629 , 1819 , 3959 , 4327 , 67303 , 73559 , 160099 , 462989 , 2721683 , 7870813 , 17130593 , 291220081
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
-291220080
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 291220081 can be divided by 16 positive divisors.
The sum of these divisors (counting 291220081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001010110111010101001110001
3
Ternary
202021222111211221
4
Quaternary
101112322221301
5
Quinary
1044023020311
6
Senary
44521505041
8
Octal
2126725161
10
Decimal
291220081
12
Duodecimal
81642181
16
Hexadecimal
115baa71
20
Vigesimal
4b02a41
36
Base36
4tduup
md5
5a0229c80e5dca35952b32638a600c4c
sha1
0f1d425beb1af122e6df00d3b5dd3e56577b7d24
sha256
cecdb45893bec81b595b69dd4a458c1a210a3be9212d8c649b10ab95144bdfbc
sha512
55a96b3301b8698a6df2da974b7e55822e918fac8553cb0b46538a5c9ad1ad3383d4e43276d35fc75dd77be60da48e3f1252b5fcb2803b6c9fd0e48371b178b7
ripemd-160
0002fb2c93a7647ca0f995db095840dcc9fa2378
Diameter
582440162
Circumference
1829789734.0948
Area
2.6643575728804E+17
Volume
1.0345525709162E+26
Surface area
1.0657430291521E+18
Circumference
1829789734.0948
Perimeter
1164880324
Area
84809135577646561
Diagonal
411847388.18559
Surface area
508854813465879366
Volume
2.4698123332462E+25
Space diagonal
504407976.47632
Perimeter
873660243
Area
3.672343294162E+16
Altitude
252203988.23816
Surface area
3.672343294162E+16
Volume
2.9107017484943E+24
Height
137282462.72853