121517872 is an even 9-digits composite number following 121517871
and preceding 121517873 . In scientific notation, it is written as 1.21517872 × 10^8.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 52079040 positive integers (up to 121517872) that are relatively prime to 121517872.
121517872 has 20 divisors, whose sum is 269075536
The reverse of 121517872 is 278715121
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-one million five hundred seventeen thousand eight hundred seventy-two
Scientific notation
1.21517872 × 10^8
Engineering notation
1.21517872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 1084981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
15189734
Product of the distinct prime numbers
The prime factorization of 121517872 is 2 × 2 × 2 × 2 × 7 × 1084981.
Since it has a total of 6 prime factors.
7 , 2 , 45 , 71 , 225 , 424 , 2551 , 4142 , 23243 , 80821 , 122879 , 366051 , 5232020 , 2973991 , 94125950 , 34764918 , 126133356 , 627509386 , 2334102252 , 7893373377
n×2
243035744
n×3
364553616
n×4
486071488
n×5
607589360
n÷2
60758936
n÷3
40505957.333333
n÷3
30379468
n÷5
24303574.4
n2
14766593215408384
n3
1.7944049842261E+24
n4
2.1805227518934E+32
n5
2.6497248465768E+40
2 √n
11023.514503097
3 √n
495.31337093525
4 √n
104.99292596693
5 √n
41.393107477307
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 1084981 , 2169962 , 4339924 , 7594867 , 8679848 , 15189734 , 17359696 , 30379468 , 60758936 , 121517872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121517871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121517872 can be divided by 20 positive divisors.
The sum of these divisors (counting 121517872) is 1, the average is 0.05.
Base
System
Value
2
Binary
111001111100011011100110000
3
Ternary
22110122202011221
4
Quaternary
13033203130300
5
Quinary
222102032442
6
Senary
20020314424
8
Octal
717433460
10
Decimal
121517872
12
Duodecimal
34842a14
16
Hexadecimal
73e3730
20
Vigesimal
1hj9edc
36
Base36
20cjsg
md5
e26244e47ac7bc8b4d29a70eef2c5e8a
sha1
122df322af8f87584a6907eb720f3ec73ac9789e
sha256
b601b8ae4ab7cebac73e1fde969660959f68821f7081c1056ef0206d05ae1591
sha512
5054f55346cc058988dd999f16a50f60cb1d42b5b90c05e3316549a7969d9b31f3d7f6a0117bd518f971f294dff2adc0074aa4db6eacf8107386ae1a96866473
ripemd-160
82d223d5d292cb867d0624d1e5850a4dcbc20f32
Diameter
243035744
Circumference
763519307.91013
Area
4.6390620764076E+16
Volume
7.516386021346E+24
Surface area
1.855624830563E+17
Circumference
763519307.91013
Perimeter
486071488
Area
14766593215408384
Diagonal
171852222.65312
Surface area
88599559292450304
Volume
1.7944049842261E+24
Space diagonal
210475128.33165
Perimeter
364553616
Area
6.3941224259473E+15
Altitude
105237564.16583
Surface area
6.3941224259473E+15
Volume
2.1147265542353E+23
Height
57284074.217706