121539172 is an even 9-digits composite number following 121539171
and preceding 121539173 . In scientific notation, it is written as 1.21539172 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 60769584 positive integers (up to 121539172) that are relatively prime to 121539172.
121539172 has 6 divisors, whose sum is 212693558
The reverse of 121539172 is 271935121
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-one million five hundred thirty-nine thousand one hundred seventy-two
Scientific notation
1.21539172 × 10^8
Engineering notation
1.21539172 × 10^6
Prime Factorization
2 × 2 × 30384793
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
60769586
Product of the distinct prime numbers
The prime factorization of 121539172 is 2 × 2 × 30384793.
Since it has a total of 3 prime factors.
6 , 5 , 36 , 45 , 659 , 270 , 9480 , 1919 , 74494 , 25593 , 408334 , 438708 , 2292941 , 2665482 , 99940947 , 66773499 , 731066749 , 314481093 , 906418979 , 5190557236
n×2
243078344
n×3
364617516
n×4
486156688
n×5
607695860
n÷2
60769586
n÷3
40513057.333333
n÷3
30384793
n÷5
24307834.4
n2
14771770330445584
n3
1.7953487349365E+24
n4
2.1820519869543E+32
n5
2.6520479175538E+40
2 √n
11024.480577333
3 √n
495.34230922575
4 √n
104.9975265296
5 √n
41.394558476019
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121539171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121539172 can be divided by 6 positive divisors.
The sum of these divisors (counting 121539172) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111001111101000101001100100
3
Ternary
22110200211101211
4
Quaternary
13033220221210
5
Quinary
222103223142
6
Senary
20021001204
8
Octal
717505144
10
Decimal
121539172
12
Duodecimal
34853204
16
Hexadecimal
73e8a64
20
Vigesimal
1hjc7ic
36
Base36
20d084
md5
1b113b428f6192e1b23347f191d23740
sha1
0f13eebdf1e526550963300d9e8f52fb47d51c34
sha256
061c4bc62e031a3040a65a19e7d3f3d74dddb555892375efc711c0f0946adf5a
sha512
0a6ad5de71b7734e6de8aff07f9c274a451825454f17b5a3295cdee67e3c824c2640b80cdfad4ddd2b7ecc5f933ea8b8cc84479b8a124bd8770ef0a5d7dfe7ed
ripemd-160
2c08995cc34b91ef0a9ea9623405ac7486b32e79
Diameter
243078344
Circumference
763653139.75717
Area
4.6406885150644E+16
Volume
7.5203391950777E+24
Surface area
1.8562754060257E+17
Circumference
763653139.75717
Perimeter
486156688
Area
14771770330445584
Diagonal
171882345.402
Surface area
88630621982673504
Volume
1.7953487349365E+24
Space diagonal
210512021.01385
Perimeter
364617516
Area
6.3963641825176E+15
Altitude
105256010.50693
Surface area
6.3963641825176E+15
Volume
2.1158387751138E+23
Height
57294115.133999