121495871 is an odd 9-digits composite number following 121495870
and preceding 121495872 . In scientific notation, it is written as 1.21495871 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 102681216 positive integers (up to 121495871) that are relatively prime to 121495871.
121495871 has 12 divisors, whose sum is 140823792
The reverse of 121495871 is 178594121
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-one million four hundred ninety-five thousand eight hundred seventy-one
Scientific notation
1.21495871 × 10^8
Engineering notation
1.21495871 × 10^6
Prime Factorization
7 × 73 × 73 × 3257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1664327
Product of the distinct prime numbers
The prime factorization of 121495871 is 7 × 73 × 73 × 3257.
Since it has a total of 4 prime factors.
6 , 9 , 99 , 10 , 578 , 153 , 6166 , 5687 , 69456 , 95216 , 320729 , 429574 , 4572735 , 8265719 , 51687231 , 42343907 , 287155336 , 649909930 , 2338922303 , 5152253149
n×2
242991742
n×3
364487613
n×4
485983484
n×5
607479355
n÷2
60747935.5
n÷3
40498623.666667
n÷3
30373967.75
n÷5
24299174.2
n2
14761246670048641
n3
1.7934305212234E+24
n4
2.1789440325402E+32
n5
2.6473270309373E+40
2 √n
11022.51654569
3 √n
495.28347671195
4 √n
104.98817336105
5 √n
41.391608511431
1 , 7 , 73 , 511 , 3257 , 5329 , 22799 , 37303 , 237761 , 1664327 , 17356553 , 121495871
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121495870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121495871 can be divided by 12 positive divisors.
The sum of these divisors (counting 121495871) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111001111011110000100111111
3
Ternary
22110121122000002
4
Quaternary
13033132010333
5
Quinary
222100331441
6
Senary
20020024515
8
Octal
717360477
10
Decimal
121495871
12
Duodecimal
3483213b
16
Hexadecimal
73de13f
20
Vigesimal
1hj6jdb
36
Base36
20c2tb
md5
6217ac371d39ad3d5523391193daa9fe
sha1
0dc81235a89e9bd2be7489578d851b7820cc9282
sha256
f7fd3733eca7f54daeb1e9a312c4a8443dcaaae7fe7bb8c1a604a59c98905fc3
sha512
cacc77af080bdd562c4af4c468d830b52717d34389a4655cd3b0a6a94c3b0b3b9e437e44e19590584f3f2c7fb2b6d07a8b028202b56971a25661dfbe0c53aad5
ripemd-160
74463a8b5d82225296e87eb53864a3682e0bb912
Diameter
242991742
Circumference
763381071.55019
Area
4.6373824096452E+16
Volume
7.5123042002656E+24
Surface area
1.8549529638581E+17
Circumference
763381071.55019
Perimeter
485983484
Area
14761246670048641
Diagonal
171821108.54053
Surface area
88567480020291846
Volume
1.7934305212234E+24
Space diagonal
210437021.48183
Perimeter
364487613
Area
6.3918073038953E+15
Altitude
105218510.74092
Surface area
6.3918073038953E+15
Volume
2.1135781385733E+23
Height
57273702.846844