121900512 is an even 9-digits composite number following 121900511
and preceding 121900513 . In scientific notation, it is written as 1.21900512 × 10^8.
The sum of its digits is 21. It has a total of 7 prime factors and 24 positive divisors.
There are 40633472 positive integers (up to 121900512) that are relatively prime to 121900512.
121900512 has 24 divisors, whose sum is 319989096
The reverse of 121900512 is 215009121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-one million nine hundred thousand five hundred twelve
Scientific notation
1.21900512 × 10^8
Engineering notation
1.21900512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 1269797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
7618782
Product of the distinct prime numbers
The prime factorization of 121900512 is 2 × 2 × 2 × 2 × 2 × 3 × 1269797.
Since it has a total of 7 prime factors.
1 , 6 , 78 , 11 , 670 , 838 , 9985 , 5168 , 74648 , 72970 , 988136 , 859125 , 4249820 , 6138812 , 40791150 , 71656190 , 112041928 , 439398231 , 6129903532 , 854568044
n×2
243801024
n×3
365701536
n×4
487602048
n×5
609502560
n÷2
60950256
n÷3
40633504
n÷3
30475128
n÷5
24380102.4
n2
14859734825862144
n3
1.8114092834568E+24
n4
2.2081171909494E+32
n5
2.6917061613273E+40
2 √n
11040.856488516
3 √n
495.83271326963
4 √n
105.07547995853
5 √n
41.419142737222
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 1269797 , 2539594 , 3809391 , 5079188 , 7618782 , 10158376 , 15237564 , 20316752 , 30475128 , 40633504 , 60950256 , 121900512
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121900511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121900512 can be divided by 24 positive divisors.
The sum of these divisors (counting 121900512) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111010001000000110111100000
3
Ternary
22111101012001210
4
Quaternary
13101000313200
5
Quinary
222201304022
6
Senary
20032430120
8
Octal
721006740
10
Decimal
121900512
12
Duodecimal
349a8340
16
Hexadecimal
7440de0
20
Vigesimal
1i1hb5c
36
Base36
20kr1c
md5
96a0cb5f940e73fd708fec225e79dd21
sha1
21ac048b385d095ef6fe7a04911c5034bdca2a8f
sha256
f77e9c0b2e646dbfec65803d049b257beef44df88015241856ff2ef220a91ea5
sha512
20791fe95780c2b67a91d7df27fba5c60d06ebea3dcd0bdf266e852f533aa7b0b724cd535cebf304f6aac168fc869d6ffa10892864c5f1fdcac205763f6d327a
ripemd-160
6ba2d3d1b0989b51789191bf4778073d37ff5d5e
Diameter
243801024
Circumference
765923505.93607
Area
4.6683233763221E+16
Volume
7.5876134634031E+24
Surface area
1.8673293505288E+17
Circumference
765923505.93607
Perimeter
487602048
Area
14859734825862144
Diagonal
172393357.33062
Surface area
89158408955172864
Volume
1.8114092834568E+24
Space diagonal
211137880.25266
Perimeter
365701536
Area
6.4344539263485E+15
Altitude
105568940.12633
Surface area
6.4344539263485E+15
Volume
2.134766313061E+23
Height
57464452.443541