291220031 is an odd 9-digits prime number following 291220030
and preceding 291220032 . In scientific notation, it is written as 2.91220031 × 10^8.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 291220030 positive integers (up to 291220031) that are relatively prime to 291220031.
291220031 has 2 divisors, whose sum is 291220032
The reverse of 291220031 is 130022192
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
two hundred ninety-one million two hundred twenty thousand thirty-one
Scientific notation
2.91220031 × 10^8
Engineering notation
2.91220031 × 10^6
Prime Factorization
291220031
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
291220031
Product of the distinct prime numbers
The prime factorization of 291220031 is 291220031.
Since it has a total of 1 prime factors.
1 , 3 , 34 , 17 , 741 , 283 , 5308 , 4950 , 56814 , 3996 , 390153 , 26893 , 334993 , 1304130 , 530063 , 82250280 , 851606954 , 494296146 , 7837775199 , 2072465821
n×2
582440062
n×3
873660093
n×4
1164880124
n×5
1456100155
n÷2
145610015.5
n÷3
97073343.666667
n÷3
72805007.75
n÷5
58244006.2
n2
84809106455640961
n3
2.4698110611094E+25
n4
7.1925845378042E+33
n5
2.0946246920695E+42
2 √n
17065.170113421
3 √n
662.83751621303
4 √n
130.63372502314
5 √n
49.299696849834
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
291220032
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
145610016
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
17065.170142721
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999931323
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291220031 can be divided by 2 positive divisors.
The sum of these divisors (counting 291220031) is 291220032, the average is 145610016.
Base
System
Value
2
Binary
10001010110111010101000111111
3
Ternary
202021222111210002
4
Quaternary
101112322220333
5
Quinary
1044023020111
6
Senary
44521504515
8
Octal
2126725077
10
Decimal
291220031
12
Duodecimal
8164213b
16
Hexadecimal
115baa3f
20
Vigesimal
4b02a1b
36
Base36
4tdutb
md5
8caa558f9507430d8f17c60d83953c24
sha1
def79d736662870934fb14ca9e21fe9a223f1b46
sha256
0bf02011ac045ca802037bb2b6f88c450072a3fbf7c8be4ab9dad851d6574d32
sha512
bcbaf1d982abbf7a9cf6995b50a7be50f9a406d5d92f5659bd7937f7a211bafae1d1ee8b45e2281eae5ea0c0e945b4f8950949c970faa08e5e47444fb368dd38
ripemd-160
b6620693c380296dbacb6adac80a7cb5facc2960
Diameter
582440062
Circumference
1829789419.9356
Area
2.6643566579856E+17
Volume
1.0345520380448E+26
Surface area
1.0657426631942E+18
Circumference
1829789419.9356
Perimeter
1164880124
Area
84809106455640961
Diagonal
411847317.47491
Surface area
508854638733845766
Volume
2.4698110611094E+25
Space diagonal
504407889.87378
Perimeter
873660093
Area
3.6723420331422E+16
Altitude
252203944.93689
Surface area
3.6723420331422E+16
Volume
2.9107002492667E+24
Height
137282439.1583