121801902 is an even 9-digits composite number following 121801901
and preceding 121801903 . In scientific notation, it is written as 1.21801902 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 40600632 positive integers (up to 121801902) that are relatively prime to 121801902.
121801902 has 8 divisors, whose sum is 243603816
The reverse of 121801902 is 209108121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-one million eight hundred one thousand nine hundred two
Scientific notation
1.21801902 × 10^8
Engineering notation
1.21801902 × 10^6
Prime Factorization
2 × 3 × 20300317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121801902
Product of the distinct prime numbers
The prime factorization of 121801902 is 2 × 3 × 20300317.
Since it has a total of 3 prime factors.
1 , 8 , 9 , 52 , 810 , 720 , 1027 , 3954 , 42840 , 68502 , 424602 , 120083 , 949808 , 8347182 , 70829967 , 81884168 , 901592201 , 539393313 , 5543077125 , 8162350843
n×2
243603804
n×3
365405706
n×4
487207608
n×5
609009510
n÷2
60900951
n÷3
40600634
n÷3
30450475.5
n÷5
24360380.4
n2
14835703330817604
n3
1.8070168832013E+24
n4
2.2009809332003E+32
n5
2.6808366392953E+40
2 √n
11036.389898875
3 √n
495.69897783496
4 √n
105.05422361274
5 √n
41.412439461195
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121801901
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121801902 can be divided by 8 positive divisors.
The sum of these divisors (counting 121801902) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000101000110010101110
3
Ternary
22111012011210120
4
Quaternary
13100220302232
5
Quinary
222140130102
6
Senary
20030345410
8
Octal
720506256
10
Decimal
121801902
12
Duodecimal
3495b266
16
Hexadecimal
7428cae
20
Vigesimal
1i154f2
36
Base36
20imy6
md5
7b8b139e5c73ce9af918222b6f2a7070
sha1
b34a00f5f871cb163538048fe6f384bca760951a
sha256
26bc8bd19f25c0b4ec8fc81241bfc7ca42f52e502583b679b9cbbb7173403e49
sha512
a9b263f4e17c6a6d44f65480743947627bc3ea94c9f6770dd0fdf40a01f559e35a39679ece209fc640314bc3f3e9d0050b738a175f3a78f517037408beb79be4
ripemd-160
de2a33a62110931dcc0386460c9a719c7d3710e0
Diameter
243603804
Circumference
765303921.03293
Area
4.6607736594934E+16
Volume
7.5692146202373E+24
Surface area
1.8643094637974E+17
Circumference
765303921.03293
Perimeter
487207608
Area
14835703330817604
Diagonal
172253901.73124
Surface area
89014219984905624
Volume
1.8070168832013E+24
Space diagonal
210967082.72253
Perimeter
365405706
Area
6.4240479837487E+15
Altitude
105483541.36126
Surface area
6.4240479837487E+15
Volume
2.1295898197171E+23
Height
57417967.243746