121539780 is an even 9-digits composite number following 121539779
and preceding 121539781 . In scientific notation, it is written as 1.21539780 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 32410560 positive integers (up to 121539780) that are relatively prime to 121539780.
121539780 has 24 divisors, whose sum is 283593240
The reverse of 121539780 is 087935121
Previous prime number is 9
Is Prime? no Number parity even Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred twenty-one million five hundred thirty-nine thousand seven hundred eighty
Scientific notation
1.21539780 × 10^8
Engineering notation
1.21539780 × 10^6
Prime Factorization
2 × 2 × 5 × 9 × 675221
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
60769890 Product of the distinct prime numbers
The prime factorization of 121539780 is 2 × 2 × 5 × 9 × 675221.
Since it has a total of 5 prime factors.
7 , 4 , 54 , 49 , 971 , 20 , 374 , 1350 , 54471 , 89722 , 906397 , 489324 , 3037707 , 7129698 , 24373072 , 3868224 , 215639976 , 822900240 , 4181942387 , 3449310093
n×2
243079560
n×3
364619340
n×4
486159120
n×5
607698900
n÷2
60769890
n÷3
40513260
n÷3
30384945
n÷5
24307956
n2
14771918122448400
n3
1.7953756787804E+24
n4
2.1820956501632E+32
n5
2.6521142525979E+40
2 √n11024.508152294
3 √n495.34313520807
4 √n104.99765784194
5 √n41.394599891212
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 675221 , 1350442 , 2700884 , 3376105 , 6076989 , 6752210 , 12153978 , 13504420 , 24307956 , 30384945 , 60769890 , 121539780
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
-121539779 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 121539780 can be divided by 24 positive divisors.
The sum of these divisors (counting 121539780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111001111101000110011000100
3
Ternary
22110200212020100
4
Quaternary
13033220303010
5
Quinary
222103233110
6
Senary
20021004100
8
Octal
717506304
10
Decimal
121539780
12
Duodecimal
34853630
16
Hexadecimal
73e8cc4
20
Vigesimal
1hjc990
36
Base36
20d0p0
md5
a2b9e9f13125da566c3c51d62c4452bb
sha1
bab612c12a2d2ff7006f79fe96b668efa4b71536
sha256
883161aa72bddd7f3449d5ad9c9a44bfc4b9bdb9772b2673083b779b61fad47d
sha512
59c79c468b72c133a35c51c14a20235680566f9fea01e564d99e4bb37cef5f2fea1facd4be91a896220d28cd27944e115529e3e54714bb915c2b4633f609bc72
ripemd-160
c83757eb56a36ae12d39900846323cf41c9dcf98
Diameter
243079560
Circumference
763656959.93384
Area
4.6407349452914E+16
Volume
7.520452057187E+24
Surface area
1.8562939781166E+17
Circumference
763656959.93384
Perimeter
486159120
Area
14771918122448400
Diagonal
171883205.24384
Surface area
88631508734690400
Volume
1.7953756787804E+24
Space diagonal
210513074.10074
Perimeter
364619340
Area
6.396428178332E+15
Altitude
105256537.05037
Surface area
6.396428178332E+15
Volume
2.1158705287384E+23
Height
57294401.747947