121129807 is an odd 9-digits composite number following 121129806
and preceding 121129808 . In scientific notation, it is written as 1.21129807 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 114754536 positive integers (up to 121129807) that are relatively prime to 121129807.
121129807 has 4 divisors, whose sum is 127505080
The reverse of 121129807 is 708921121
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-one million one hundred twenty-nine thousand eight hundred seven
Scientific notation
1.21129807 × 10^8
Engineering notation
1.21129807 × 10^6
Prime Factorization
19 × 6375253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121129807
Product of the distinct prime numbers
The prime factorization of 121129807 is 19 × 6375253.
Since it has a total of 2 prime factors.
9 , 9 , 30 , 21 , 373 , 132 , 1296 , 8542 , 14027 , 92241 , 2020 , 960543 , 8907529 , 6673894 , 91955254 , 99012191 , 283469797 , 419775983 , 3692101380 , 1457321722
n×2
242259614
n×3
363389421
n×4
484519228
n×5
605649035
n÷2
60564903.5
n÷3
40376602.333333
n÷3
30282451.75
n÷5
24225961.4
n2
14672430143857249
n3
1.7772686315464E+24
n4
2.1528020632637E+32
n5
2.6076849843233E+40
2 √n
11005.898736587
3 √n
494.7855507492
4 √n
104.90900217134
5 √n
41.366636021837
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
-121129806
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 121129807 can be divided by 4 positive divisors.
The sum of these divisors (counting 121129807) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001110000100101101001111
3
Ternary
22102221000212011
4
Quaternary
13032010231033
5
Quinary
222002123212
6
Senary
20004122051
8
Octal
716045517
10
Decimal
121129807
12
Duodecimal
34696327
16
Hexadecimal
7384b4f
20
Vigesimal
1hh14a7
36
Base36
2048cv
md5
b781821ac78a2265ce31946a87d258ac
sha1
5e3e7f00aa19b7717b27b9c3ccc6e4649d604b61
sha256
5f95d4476d5447976c29cc5b7a81170411e373933903aaa45dfcec3793ae3e7d
sha512
b61d36e8f8ebfa0e886ca79392effecd958a3281b048ba6319cd201727af83b96c4de33efa2e350b5eb6463e358e02c7bc00108dcab8013a2b3ebbb3001325da
ripemd-160
5f4fac0ede8bd201bbf22d3a4c3998643a96ead5
Diameter
242259614
Circumference
761081023.6039
Area
4.6094798750251E+16
Volume
7.4446054350957E+24
Surface area
1.8437919500101E+17
Circumference
761081023.6039
Perimeter
484519228
Area
14672430143857249
Diagonal
171303415.86704
Surface area
88034580863143494
Volume
1.7772686315464E+24
Space diagonal
209802980.03501
Perimeter
363389421
Area
6.3533486199165E+15
Altitude
104901490.01751
Surface area
6.3533486199165E+15
Volume
2.0945311689277E+23
Height
57101138.622345