121282140 is an even 9-digits composite number following 121282139
and preceding 121282141 . In scientific notation, it is written as 1.21282140 × 10^8.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 27721536 positive integers (up to 121282140) that are relatively prime to 121282140.
121282140 has 24 divisors, whose sum is 258736128
The reverse of 121282140 is 041282121
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-one million two hundred eighty-two thousand one hundred forty
Scientific notation
1.21282140 × 10^8
Engineering notation
1.21282140 × 10^6
Prime Factorization
2 × 2 × 15 × 7 × 288767
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
60641070
Product of the distinct prime numbers
The prime factorization of 121282140 is 2 × 2 × 15 × 7 × 288767.
Since it has a total of 5 prime factors.
4 , 2 , 81 , 41 , 262 , 809 , 1959 , 4870 , 79196 , 71434 , 334096 , 205140 , 3891541 , 1236202 , 53816289 , 57356215 , 223411837 , 516549843 , 7456066566 , 4393421619
n×2
242564280
n×3
363846420
n×4
485128560
n×5
606410700
n÷2
60641070
n÷3
40427380
n÷3
30320535
n÷5
24256428
n2
14709357482979600
n3
1.7839823535608E+24
n4
2.1636519756209E+32
n5
2.6241234181853E+40
2 √n
11012.817078296
3 √n
494.99287817526
4 √n
104.94197005153
5 √n
41.377035338734
1 , 2 , 4 , 7 , 14 , 15 , 28 , 30 , 60 , 105 , 210 , 420 , 288767 , 577534 , 1155068 , 2021369 , 4042738 , 4331505 , 8085476 , 8663010 , 17326020 , 30320535 , 60641070 , 121282140
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
-121282139
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 121282140 can be divided by 24 positive divisors.
The sum of these divisors (counting 121282140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111001110101001111001011100
3
Ternary
22110012202211010
4
Quaternary
13032221321130
5
Quinary
222022012030
6
Senary
20011255220
8
Octal
716517134
10
Decimal
121282140
12
Duodecimal
3474a510
16
Hexadecimal
73a9e5c
20
Vigesimal
1hi0570
36
Base36
207hwc
md5
24a2fc667c0e3e53002976992b702744
sha1
37d4ed2c1ee1e0771b4b6846b38b44e36a89eb44
sha256
d92f70c3f7c933c9f4f6b5c5f922d9da2614c4dcef832831a85016fd52eece78
sha512
c709efb64ddecf0e63e75edd08eaea5fbf3c541a9e0de2eb0f80fb17739e3a53cbbaa36462b495d2d46dcc1277ec6c7612a304fa4be2647698caae6028c870a8
ripemd-160
3643e44b9313299055262e2d7ad7ee45b31de062
Diameter
242564280
Circumference
762038160.0713
Area
4.6210809407555E+16
Volume
7.4727278081072E+24
Surface area
1.8484323763022E+17
Circumference
762038160.0713
Perimeter
485128560
Area
14709357482979600
Diagonal
171518847.26163
Surface area
88256144897877600
Volume
1.7839823535608E+24
Space diagonal
210066828.53068
Perimeter
363846420
Area
6.3693386268035E+15
Altitude
105033414.26534
Surface area
6.3693386268035E+15
Volume
2.1024433661999E+23
Height
57172949.087211