121511257 is an odd 9-digits composite number following 121511256
and preceding 121511258 . In scientific notation, it is written as 1.21511257 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 97751808 positive integers (up to 121511257) that are relatively prime to 121511257.
121511257 has 16 divisors, whose sum is 147450240
The reverse of 121511257 is 752115121
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-one million five hundred eleven thousand two hundred fifty-seven
Scientific notation
1.21511257 × 10^8
Engineering notation
1.21511257 × 10^6
Prime Factorization
7 × 17 × 419 × 2437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121511257
Product of the distinct prime numbers
The prime factorization of 121511257 is 7 × 17 × 419 × 2437.
Since it has a total of 4 prime factors.
8 , 8 , 52 , 14 , 67 , 235 , 2206 , 5664 , 3925 , 6311 , 549129 , 29558 , 8530112 , 3183193 , 71339839 , 69094813 , 217514055 , 104809565 , 4713216595 , 8876244323
n×2
243022514
n×3
364533771
n×4
486045028
n×5
607556285
n÷2
60755628.5
n÷3
40503752.333333
n÷3
30377814.25
n÷5
24302251.4
n2
14764985577720049
n3
1.7941119571356E+24
n4
2.1800479911028E+32
n5
2.6490037171923E+40
2 √n
11023.214458587
3 √n
495.30438307377
4 √n
104.99149707756
5 √n
41.392656808835
1 , 7 , 17 , 119 , 419 , 2437 , 2933 , 7123 , 17059 , 41429 , 49861 , 290003 , 1021103 , 7147721 , 17358751 , 121511257
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121511256
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121511257 can be divided by 16 positive divisors.
The sum of these divisors (counting 121511257) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001111100001110101011001
3
Ternary
22110122102002221
4
Quaternary
13033201311121
5
Quinary
222101330012
6
Senary
20020224041
8
Octal
717416531
10
Decimal
121511257
12
Duodecimal
3483b021
16
Hexadecimal
73e1d59
20
Vigesimal
1hj8i2h
36
Base36
20ceop
md5
2d136dd02b4182b7b7d16cd9d82c306f
sha1
ef7534ce42fbe01c74e4e928f453f847106ffedb
sha256
0144bf13e6bcd28728b37417df7058daed180d65b0b44668aa2f989f40d23178
sha512
102cc62ea102208f8219273c37b3f2dd84da759b6d8e9a6acb7a9f84a90d6fc2e9106caf6bd02d452098b901162bbc3c51accde09f10c77d5f948044a188e8de
ripemd-160
ef816068dbb3eaed4751c054b5a07e802ef5ad50
Diameter
243022514
Circumference
763477744.63932
Area
4.6385570221325E+16
Volume
7.5151585923399E+24
Surface area
1.855422808853E+17
Circumference
763477744.63932
Perimeter
486045028
Area
14764985577720049
Diagonal
171842867.6304
Surface area
88589913466320294
Volume
1.7941119571356E+24
Space diagonal
210463670.81556
Perimeter
364533771
Area
6.3934262984082E+15
Altitude
105231835.40778
Surface area
6.3934262984082E+15
Volume
2.1143812184975E+23
Height
57280955.876801