291214991 is an odd 9-digits prime number following 291214990
and preceding 291214992 . In scientific notation, it is written as 2.91214991 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 291214990 positive integers (up to 291214991) that are relatively prime to 291214991.
291214991 has 2 divisors, whose sum is 291214992
The reverse of 291214991 is 199412192
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred ninety-one million two hundred fourteen thousand nine hundred ninety-one
Scientific notation
2.91214991 × 10^8
Engineering notation
2.91214991 × 10^6
Prime Factorization
291214991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
291214991
Product of the distinct prime numbers
The prime factorization of 291214991 is 291214991.
Since it has a total of 1 prime factors.
5 , 1 , 25 , 65 , 976 , 753 , 8830 , 8808 , 59292 , 69663 , 169998 , 672297 , 8884276 , 4565119 , 61099358 , 32853128 , 101932127 , 558782451 , 4682423194 , 8188071329
n×2
582429982
n×3
873644973
n×4
1164859964
n×5
1456074955
n÷2
145607495.5
n÷3
97071663.666667
n÷3
72803747.75
n÷5
58242998.2
n2
84806170983130081
n3
2.4696828319597E+25
n4
7.1920866368199E+33
n5
2.0944434452127E+42
2 √n
17065.022443583
3 √n
662.83369239141
4 √n
130.63315981627
5 √n
49.299526207594
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
291214992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
145607496
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
17065.022472883
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999931322
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291214991 can be divided by 2 positive divisors.
The sum of these divisors (counting 291214991) is 291214992, the average is 145607496.
Base
System
Value
2
Binary
10001010110111001011010001111
3
Ternary
202021222020212102
4
Quaternary
101112321122033
5
Quinary
1044022334431
6
Senary
44521425315
8
Octal
2126713217
10
Decimal
291214991
12
Duodecimal
8163b23b
16
Hexadecimal
115b968f
20
Vigesimal
4b01h9b
36
Base36
4tdqxb
md5
2e8622c88930627170d3b0e13e29314e
sha1
c8c0fe79df7761f0ef53a114d1825834ea0e009c
sha256
46afdba2253a9a1059459119352dddfca05f3466b429888a2f7d4833a51cb8c9
sha512
56563f99821777f0bf07bf85e10e04b686731b99695fccce0ca042b8f7d689cc7405f87792c80ff1b1316a9d288b1b46fd2cee1539a085c77e2a4d2a05de0e6e
ripemd-160
7690c3f3f66a9d63c4aecd86b22e84910f02b3ec
Diameter
582429982
Circumference
1829757752.6816
Area
2.6642644373968E+17
Volume
1.0344983255442E+26
Surface area
1.0657057749587E+18
Circumference
1829757752.6816
Perimeter
1164859964
Area
84806170983130081
Diagonal
411840189.83856
Surface area
508837025898780486
Volume
2.4696828319597E+25
Space diagonal
504399160.33771
Perimeter
873644973
Area
3.6722149234539E+16
Altitude
252199580.16886
Surface area
3.6722149234539E+16
Volume
2.9105491297645E+24
Height
137280063.27952