122917991 is an odd 9-digits composite number following 122917990
and preceding 122917992 . In scientific notation, it is written as 1.22917991 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 105358272 positive integers (up to 122917991) that are relatively prime to 122917991.
122917991 has 4 divisors, whose sum is 140477712
The reverse of 122917991 is 199719221
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-two million nine hundred seventeen thousand nine hundred ninety-one
Scientific notation
1.22917991 × 10^8
Engineering notation
1.22917991 × 10^6
Prime Factorization
7 × 17559713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
122917991
Product of the distinct prime numbers
The prime factorization of 122917991 is 7 × 17559713.
Since it has a total of 2 prime factors.
3 , 8 , 32 , 59 , 730 , 736 , 2438 , 7609 , 51632 , 38266 , 94501 , 229433 , 5678787 , 2601712 , 26066747 , 25129771 , 163171448 , 878147028 , 6317052507 , 8118292710
n×2
245835982
n×3
368753973
n×4
491671964
n×5
614589955
n÷2
61458995.5
n÷3
40972663.666667
n÷3
30729497.75
n÷5
24583598.2
n2
15108832511476081
n3
1.8571473386661E+24
n4
2.2827681985984E+32
n5
2.805932808904E+40
2 √n
11086.838638674
3 √n
497.20843129404
4 √n
105.29405794571
5 √n
41.488056483029
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
-122917990
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 122917991 can be divided by 4 positive divisors.
The sum of these divisors (counting 122917991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010100111001010001100111
3
Ternary
22120021212210012
4
Quaternary
13110321101213
5
Quinary
222431333431
6
Senary
20110320435
8
Octal
724712147
10
Decimal
122917991
12
Duodecimal
351b911b
16
Hexadecimal
7539467
20
Vigesimal
1i84ejb
36
Base36
216k4n
md5
bff2a85bd97ffdc4ff80bfca75e1ad21
sha1
00b6ce134ce66dcdacaec9929cfdda093c83b466
sha256
9c9d0adc665f55762dcd17cc93077ce6a08ea8504ab4a0bb07c5cea98d21b81e
sha512
1c016b0406ca746bc86b83860820ddc8b887b7b5ae9245f6ebac53a3ff6acf7f73f76606f59fab709ebc55bd675dfd8ef08a0137362ac9b99a21b6d2281a23c5
ripemd-160
5c761187b95d9fca6c265774107ec0c17c898bcf
Diameter
245835982
Circumference
772316515.03923
Area
4.7465797222372E+16
Volume
7.7792005810498E+24
Surface area
1.8986318888949E+17
Circumference
772316515.03923
Perimeter
491671964
Area
15108832511476081
Diagonal
173832289.93185
Surface area
90652995068856486
Volume
1.8571473386661E+24
Space diagonal
212900205.57629
Perimeter
368753973
Area
6.5423163882313E+15
Altitude
106450102.78815
Surface area
6.5423163882313E+15
Volume
2.1886691280556E+23
Height
57944096.643951