121361645 is an odd 9-digits composite number following 121361644
and preceding 121361646 . In scientific notation, it is written as 1.21361645 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 91979280 positive integers (up to 121361645) that are relatively prime to 121361645.
121361645 has 8 divisors, whose sum is 153299040
The reverse of 121361645 is 546163121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million three hundred sixty-one thousand six hundred forty-five
Scientific notation
1.21361645 × 10^8
Engineering notation
1.21361645 × 10^6
Prime Factorization
19 × 5 × 1277491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121361645
Product of the distinct prime numbers
The prime factorization of 121361645 is 19 × 5 × 1277491.
Since it has a total of 3 prime factors.
9 , 1 , 87 , 1 , 528 , 74 , 1976 , 5897 , 87028 , 18931 , 697349 , 459479 , 9365471 , 2080258 , 75433132 , 14246511 , 672587180 , 625752304 , 4693620128 , 2102046574
n×2
242723290
n×3
364084935
n×4
485446580
n×5
606808225
n÷2
60680822.5
n÷3
40453881.666667
n÷3
30340411.25
n÷5
24272329
n2
14728648877106025
n3
1.787493056353E+24
n4
2.1693309774508E+32
n5
2.6327357597288E+40
2 √n
11016.426144626
3 √n
495.10101669282
4 √n
104.95916417648
5 √n
41.382458757104
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
-121361644
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 121361645 can be divided by 8 positive divisors.
The sum of these divisors (counting 121361645) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001110111101010011101101
3
Ternary
22110100210212202
4
Quaternary
13032331103231
5
Quinary
222032033040
6
Senary
20013111245
8
Octal
716752355
10
Decimal
121361645
12
Duodecimal
34788525
16
Hexadecimal
73bd4ed
20
Vigesimal
1hia425
36
Base36
20978t
md5
202c51a0a4139d852417844a9269e985
sha1
687e2c6f3822df49ff5281f0f20befb9abfa3242
sha256
013b2ba960366daa99e7fa2255f3208abf8d8d8a6898a1a78d780e20c6da39ca
sha512
6db73efb06ae53736edc39acd5354685d0f5d806eaa28768ad585ee7e1cb727a64572285ce2fef60e1d6ca1533e826ea9ddfcf4b5e1ed28422edc5f20bbecf0d
ripemd-160
126b7ebcc9ad71d4f6b852b68db17ab786aa8f12
Diameter
242723290
Circumference
762537704.71914
Area
4.627141510962E+16
Volume
7.4874334055751E+24
Surface area
1.8508566043848E+17
Circumference
762537704.71914
Perimeter
485446580
Area
14728648877106025
Diagonal
171631284.31091
Surface area
88371893262636150
Volume
1.787493056353E+24
Space diagonal
210204535.23014
Perimeter
364084935
Area
6.3776920454975E+15
Altitude
105102267.61507
Surface area
6.3776920454975E+15
Volume
2.1065807691184E+23
Height
57210428.103636