121291216 is an even 9-digits composite number following 121291215
and preceding 121291217 . In scientific notation, it is written as 1.21291216 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 10 positive divisors.
There are 60645600 positive integers (up to 121291216) that are relatively prime to 121291216.
121291216 has 10 divisors, whose sum is 235001762
The reverse of 121291216 is 612192121
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-one million two hundred ninety-one thousand two hundred sixteen
Scientific notation
1.21291216 × 10^8
Engineering notation
1.21291216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7580701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15161402
Product of the distinct prime numbers
The prime factorization of 121291216 is 2 × 2 × 2 × 2 × 7580701.
Since it has a total of 5 prime factors.
6 , 5 , 87 , 52 , 695 , 741 , 3398 , 6804 , 5331 , 46375 , 714559 , 589081 , 8598258 , 9715424 , 13441144 , 57026568 , 836256814 , 963063460 , 8121891870 , 4838015938
n×2
242582432
n×3
363873648
n×4
485164864
n×5
606456080
n÷2
60645608
n÷3
40430405.333333
n÷3
30322804
n÷5
24258243.2
n2
14711559078758656
n3
1.7843828899185E+24
n4
2.1642997052781E+32
n5
2.6251054304162E+40
2 √n
11013.229135907
3 √n
495.00522526199
4 √n
104.9439332973
5 √n
41.377654600123
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121291215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121291216 can be divided by 10 positive divisors.
The sum of these divisors (counting 121291216) is 1, the average is 0.1.
Base
System
Value
2
Binary
111001110101100000111010000
3
Ternary
22110020020021021
4
Quaternary
13032230013100
5
Quinary
222022304331
6
Senary
20011405224
8
Octal
716540720
10
Decimal
121291216
12
Duodecimal
34753814
16
Hexadecimal
73ac1d0
20
Vigesimal
1hi180g
36
Base36
207owg
md5
0c32900dfee615d3ab40fe5a7d619faf
sha1
0a287879ef5f259f025407f10c07bf51c9e64dc0
sha256
e3f4f104084267c35caa13622c805581df0f050f82eb0e28dd2606c45655cffe
sha512
9ac0473616f268cc381a0aaab4ca7ab6e77d077039bec88187f4b5aaedab0e6be14c6de62eed69dac7347ebfa8340f41017a36514a5987ae32315b4eef0fcaca
ripemd-160
28fca103aeed1c0f15a63a3f2b8c29b97ca6c7cb
Diameter
242582432
Circumference
762095186.26115
Area
4.621772592468E+16
Volume
7.4744055708789E+24
Surface area
1.8487090369872E+17
Circumference
762095186.26115
Perimeter
485164864
Area
14711559078758656
Diagonal
171531682.66392
Surface area
88269354472551936
Volume
1.7843828899185E+24
Space diagonal
210082548.62381
Perimeter
363873648
Area
6.3702919457403E+15
Altitude
105041274.31191
Surface area
6.3702919457403E+15
Volume
2.1029154028243E+23
Height
57177227.554642