121531657 is an odd 9-digits composite number following 121531656
and preceding 121531658 . In scientific notation, it is written as 1.21531657 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 98703360 positive integers (up to 121531657) that are relatively prime to 121531657.
121531657 has 32 divisors, whose sum is 147813120
The reverse of 121531657 is 756135121
Previous prime number is 281
Is Prime? no Number parity odd Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred twenty-one million five hundred thirty-one thousand six hundred fifty-seven
Scientific notation
1.21531657 × 10^8
Engineering notation
1.21531657 × 10^6
Prime Factorization
13 × 17 × 19 × 281 × 103
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
121531657 Product of the distinct prime numbers
The prime factorization of 121531657 is 13 × 17 × 19 × 281 × 103.
Since it has a total of 5 prime factors.
9 , 2 , 78 , 16 , 261 , 290 , 1366 , 8336 , 73609 , 95619 , 559248 , 244232 , 3114866 , 3206051 , 59228441 , 15023976 , 676298623 , 180227917 , 5621912866 , 790257478
n×2
243063314
n×3
364594971
n×4
486126628
n×5
607658285
n÷2
60765828.5
n÷3
40510552.333333
n÷3
30382914.25
n÷5
24306331.4
n2
14769943653165649
n3
1.7950157259659E+24
n4
2.1815123551769E+32
n5
2.6512281129062E+40
2 √n11024.13973968
3 √n495.33209969379
4 √n104.99590344237
5 √n41.394046562377
1 , 13 , 17 , 19 , 103 , 221 , 247 , 281 , 323 , 1339 , 1751 , 1957 , 3653 , 4199 , 4777 , 5339 , 22763 , 25441 , 28943 , 33269 , 62101 , 69407 , 90763 , 376259 , 432497 , 492031 , 549917 , 1179919 , 6396403 , 7148921 , 9348589 , 121531657
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-121531656 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121531657 can be divided by 32 positive divisors.
The sum of these divisors (counting 121531657) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111001111100110110100001001
3
Ternary
22110200110002111
4
Quaternary
13033212310021
5
Quinary
222103003112
6
Senary
20020502321
8
Octal
717466411
10
Decimal
121531657
12
Duodecimal
3484a9a1
16
Hexadecimal
73e6d09
20
Vigesimal
1hjb92h
36
Base36
20cufd
md5
5130b115a3c2ad70efb94939d99d06e3
sha1
ac11c8a8400c135211081f5d65392b1d47a652ef
sha256
7d56ba9857b9c512cadacf4889aa7e6d9f106dcd26bf4f83c7ba78ab2d941bd2
sha512
2763ebb8a3e2ecc4c794c0a705e7f1dec284326e15e14109b48440baf4c0155fbd4c982243da16df1deec786bb50ad8f8fc231555d4ca62dfb9727b57f4dd2e4
ripemd-160
3a9231b1209e7ac4fa896b07f7ac78387ea00825
Diameter
243063314
Circumference
763605921.61959
Area
4.640114647472E+16
Volume
7.5189442903633E+24
Surface area
1.8560458589888E+17
Circumference
763605921.61959
Perimeter
486126628
Area
14769943653165649
Diagonal
171871717.58708
Surface area
88619661918993894
Volume
1.7950157259659E+24
Space diagonal
210499004.65203
Perimeter
364594971
Area
6.3955732080531E+15
Altitude
105249502.32602
Surface area
6.3955732080531E+15
Volume
2.1154463202782E+23
Height
57290572.529025