84242021 is an odd 8-digits composite number following 84242020
and preceding 84242022 . In scientific notation, it is written as 8.4242021 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 78660288 positive integers (up to 84242021) that are relatively prime to 84242021.
84242021 has 8 divisors, whose sum is 89902080
The reverse of 84242021 is 12024248
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-four million two hundred forty-two thousand twenty-one
Scientific notation
8.4242021 × 10^7
Engineering notation
8.4242021 × 10^6
Prime Factorization
17 × 127 × 39019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
84242021
Product of the distinct prime numbers
The prime factorization of 84242021 is 17 × 127 × 39019.
Since it has a total of 3 prime factors.
6 , 5 , 72 , 5 , 10 , 441 , 7219 , 1180 , 44599 , 93093 , 937497 , 702875 , 580718 , 848153 , 858578 , 45773595 , 184944991 , 380327693 , 7436321510 , 8515965059
n×2
168484042
n×3
252726063
n×4
336968084
n×5
421210105
n÷2
42121010.5
n÷3
28080673.666667
n÷3
21060505.25
n÷5
16848404.2
n2
7096718102164441
n3
5.9784187539362E+23
n4
5.0363407821588E+31
n5
4.2427152593378E+39
2 √n
9178.3452212259
3 √n
438.37212004635
4 √n
95.803680624629
5 √n
38.468544574013
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
-84242020
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 84242021 can be divided by 8 positive divisors.
The sum of these divisors (counting 84242021) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000001010110111001100101
3
Ternary
12212111221022212
4
Quaternary
11001112321211
5
Quinary
133031221041
6
Senary
12205333205
8
Octal
501267145
10
Decimal
84242021
12
Duodecimal
24267205
16
Hexadecimal
5056e65
20
Vigesimal
166a511
36
Base36
1e5lk5
md5
3659e3cbf87f27ba1e2a0b9e56cb2829
sha1
f5ac243470689603f1e55d84a44a10a41304b398
sha256
c30103ea6679ba8874e715189e37bf39696cd1742b1b823d1b420711552f8a34
sha512
15479003c409e6d9062e31b9346d1f48896d3845d98020225c6b4c5e49e4a623c2f20ca96afe1f54eaccfce6ecc44048c13fdaadcfce001969e549ef1ef327c3
ripemd-160
365037eebe633bba51bc5417a4f4084f0e102c5f
Diameter
168484042
Circumference
529308228.59431
Area
2.2294997454358E+16
Volume
2.5042341916599E+24
Surface area
8.917998981743E+16
Circumference
529308228.59431
Perimeter
336968084
Area
7096718102164441
Diagonal
119136208.61992
Surface area
42580308612986646
Volume
5.9784187539362E+23
Space diagonal
145911460.50428
Perimeter
252726063
Area
3.0729690799856E+15
Altitude
72955730.252142
Surface area
3.0729690799856E+15
Volume
7.0456340694685E+22
Height
39712069.539973