121566642 is an even 9-digits composite number following 121566641
and preceding 121566643 . In scientific notation, it is written as 1.21566642 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 40522212 positive integers (up to 121566642) that are relatively prime to 121566642.
121566642 has 8 divisors, whose sum is 243133296
The reverse of 121566642 is 246665121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-one million five hundred sixty-six thousand six hundred forty-two
Scientific notation
1.21566642 × 10^8
Engineering notation
1.21566642 × 10^6
Prime Factorization
2 × 3 × 20261107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121566642
Product of the distinct prime numbers
The prime factorization of 121566642 is 2 × 3 × 20261107.
Since it has a total of 3 prime factors.
6 , 3 , 52 , 22 , 984 , 979 , 7539 , 3896 , 35547 , 39366 , 475386 , 812204 , 8124184 , 9466629 , 35017170 , 492536 , 459939082 , 730042416 , 9049501951 , 7041539044
n×2
243133284
n×3
364699926
n×4
486266568
n×5
607833210
n÷2
60783321
n÷3
40522214
n÷3
30391660.5
n÷5
24313328.4
n2
14778448447156164
n3
1.7965663516909E+24
n4
2.1840253850525E+32
n5
2.6550463210359E+40
2 √n
11025.72637063
3 √n
495.37962511876
4 √n
105.00345885079
5 √n
41.396429487174
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
-121566641
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 121566642 can be divided by 8 positive divisors.
The sum of these divisors (counting 121566642) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111101111010110110010
3
Ternary
22110202020002020
4
Quaternary
13033233112302
5
Quinary
222110113032
6
Senary
20021332310
8
Octal
717572662
10
Decimal
121566642
12
Duodecimal
34867096
16
Hexadecimal
73ef5b2
20
Vigesimal
1hjfgc2
36
Base36
20dlf6
md5
30fe99385b522b78c777ffb25ec69908
sha1
364943c9e35419a4cd0766bbb5dfccc981753425
sha256
7efbfdfe3d819528eb972d5d245170fc96754d30926dad557376b12250e36da7
sha512
e5ce7d4368e83f4531b0ca31ae0cc71c9ed2f59b3022331bfd75a15aada2fd017d812967c001d05520c0372dda54cbcbc9c656b635e87547d4ebdaf5f89b27ae
ripemd-160
d830da1f72712c87fb6988b37586a3b0ef755340
Diameter
243133284
Circumference
763825738.85756
Area
4.6427865073041E+16
Volume
7.5254395362116E+24
Surface area
1.8571146029217E+17
Circumference
763825738.85756
Perimeter
486266568
Area
14778448447156164
Diagonal
171921193.84855
Surface area
88670690682936984
Volume
1.7965663516909E+24
Space diagonal
210559600.44954
Perimeter
364699926
Area
6.399255891878E+15
Altitude
105279800.22477
Surface area
6.399255891878E+15
Volume
2.1172737502203E+23
Height
57307064.616185