61242021 is an odd 8-digits composite number following 61242020
and preceding 61242022 . In scientific notation, it is written as 6.1242021 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 40827996 positive integers (up to 61242021) that are relatively prime to 61242021.
61242021 has 8 divisors, whose sum is 90728960
The reverse of 61242021 is 12024216
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
sixty-one million two hundred forty-two thousand twenty-one
Scientific notation
6.1242021 × 10^7
Engineering notation
6.1242021 × 10^6
Prime Factorization
3 × 9 × 2268223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61242021
Product of the distinct prime numbers
The prime factorization of 61242021 is 3 × 9 × 2268223.
Since it has a total of 3 prime factors.
7 , 6 , 79 , 97 , 17 , 505 , 9940 , 9572 , 42268 , 52727 , 299048 , 175870 , 9375542 , 5950938 , 92794341 , 1207377 , 722077485 , 132075115 , 5796563420 , 2847631295
n×2
122484042
n×3
183726063
n×4
244968084
n×5
306210105
n÷2
30621010.5
n÷3
20414007
n÷3
15310505.25
n÷5
12248404.2
n2
3750585136164441
n3
2.2969341367127E+23
n4
1.4066888863618E+31
n5
8.6148470319034E+38
2 √n
7825.7281450355
3 √n
394.16964058939
4 √n
88.463145688108
5 √n
36.091913082298
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
-61242020
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 61242021 can be divided by 8 positive divisors.
The sum of these divisors (counting 61242021) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101001100111101010100101
3
Ternary
11021020102021000
4
Quaternary
3221213222211
5
Quinary
111134221041
6
Senary
10024343513
8
Octal
351475245
10
Decimal
61242021
12
Duodecimal
18614b99
16
Hexadecimal
3a67aa5
20
Vigesimal
j2f511
36
Base36
10gmn9
md5
7630f77841fa45ee6ae97160f152780a
sha1
c0456ac3df596da961bfbf0aed18bd2908c3a722
sha256
14f6894432382254bb4d0e20f19648f12e8e97a11c51b2b061113c2d46a296e8
sha512
e550d1cc0d5a2dbdc1ab64ad8929cc8f40ce09c307a94b3563228a29310a1fde6e28ba4b303f920085d45886748a87141d8bdb8f0becd3f28d0910dd9adb90ba
ripemd-160
9c7b5e8bc95db3c59b7b84d022434710af8ac278
Diameter
122484042
Circumference
384794966.52918
Area
1.1782810710437E+16
Volume
9.6213752129017E+23
Surface area
4.7131242841749E+16
Circumference
384794966.52918
Perimeter
244968084
Area
3750585136164441
Diagonal
86609296.685338
Surface area
22503510816986646
Volume
2.2969341367127E+23
Space diagonal
106074291.9302
Perimeter
183726063
Area
1.6240510034874E+15
Altitude
53037145.9651
Surface area
1.6240510034874E+15
Volume
2.706962840014E+22
Height
28869765.561779