291239121 is an odd 9-digits composite number following 291239120
and preceding 291239122 . In scientific notation, it is written as 2.91239121 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 178606080 positive integers (up to 291239121) that are relatively prime to 291239121.
291239121 has 16 divisors, whose sum is 411922368
The reverse of 291239121 is 121932192
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred ninety-one million two hundred thirty-nine thousand one hundred twenty-one
Scientific notation
2.91239121 × 10^8
Engineering notation
2.91239121 × 10^6
Prime Factorization
3 × 10001 × 17 × 571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
291239121
Product of the distinct prime numbers
The prime factorization of 291239121 is 3 × 10001 × 17 × 571.
Since it has a total of 4 prime factors.
1 , 1 , 77 , 59 , 658 , 860 , 6619 , 9999 , 98665 , 81398 , 637268 , 624267 , 8855078 , 4546281 , 50978566 , 84999832 , 962122076 , 272932740 , 7755143903 , 5983020854
n×2
582478242
n×3
873717363
n×4
1164956484
n×5
1456195605
n÷2
145619560.5
n÷3
97079707
n÷3
72809780.25
n÷5
58247824.2
n2
84820225600852641
n3
2.4702967947014E+25
n4
7.1944706709795E+33
n5
2.0953113142764E+42
2 √n
17065.729430646
3 √n
662.85199929611
4 √n
130.63586578978
5 √n
49.300343169755
1 , 3 , 17 , 51 , 571 , 1713 , 9707 , 10001 , 29121 , 30003 , 170017 , 510051 , 5710571 , 17131713 , 97079707 , 291239121
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
-291239120
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 291239121 can be divided by 16 positive divisors.
The sum of these divisors (counting 291239121) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001010110111111010011010001
3
Ternary
202022000110222010
4
Quaternary
101112333103101
5
Quinary
1044024122441
6
Senary
44522133133
8
Octal
2126772321
10
Decimal
291239121
12
Duodecimal
816511a9
16
Hexadecimal
115bf4d1
20
Vigesimal
4b04hg1
36
Base36
4te9jl
md5
160487b06864ebfbd7309ab1b7344b5b
sha1
6ceac26bb8a482b2addff9854eb4bd3760fb0dcc
sha256
4c9d82058259a8a579157d14c4e779b8ebe7103f62c22654ca43fb9cb0800eab
sha512
903b3330de781da472a4fa0e58117c639942fdcf574bbb7753d5e385ad392cf7b25e480fd071b12c4797beac782d88fe179510f2bb343ec3e32e67d81d4f446e
ripemd-160
2d392bab950dc1792b0021422e2a356453dd758b
Diameter
582478242
Circumference
1829909365.9431
Area
2.6647059762347E+17
Volume
1.034755501656E+26
Surface area
1.0658823904939E+18
Circumference
1829909365.9431
Perimeter
1164956484
Area
84820225600852641
Diagonal
411874314.81182
Surface area
508921353605115846
Volume
2.4702967947014E+25
Space diagonal
504440954.7237
Perimeter
873717363
Area
3.6728235062533E+16
Altitude
252220477.36185
Surface area
3.6728235062533E+16
Volume
2.9112726917946E+24
Height
137291438.27061