73661981 is an odd 8-digits composite number following 73661980
and preceding 73661982 . In scientific notation, it is written as 7.3661981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 73618752 positive integers (up to 73661981) that are relatively prime to 73661981.
73661981 has 4 divisors, whose sum is 73705212
The reverse of 73661981 is 18916637
Previous prime number is 1777
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-three million six hundred sixty-one thousand nine hundred eighty-one
Scientific notation
7.3661981 × 10^7
Engineering notation
7.3661981 × 10^6
Prime Factorization
1777 × 41453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
73661981
Product of the distinct prime numbers
The prime factorization of 73661981 is 1777 × 41453.
Since it has a total of 2 prime factors.
7 , 7 , 53 , 88 , 895 , 714 , 4132 , 8015 , 17918 , 77776 , 593362 , 94919 , 3957315 , 7374747 , 38405049 , 35249725 , 933348405 , 346026059 , 9736581996 , 2080586283
n×2
147323962
n×3
220985943
n×4
294647924
n×5
368309905
n÷2
36830990.5
n÷3
24553993.666667
n÷3
18415495.25
n÷5
14732396.2
n2
5426087444844361
n3
3.9969635026646E+23
n4
2.9442424959098E+31
n5
2.168787347931E+39
2 √n
8582.6558243938
3 √n
419.19342747559
4 √n
92.642624230932
5 √n
37.449728957654
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-73661980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 73661981 can be divided by 4 positive divisors.
The sum of these divisors (counting 73661981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100011000111111111000011101
3
Ternary
12010121102020112
4
Quaternary
10120333320131
5
Quinary
122324140411
6
Senary
11150455405
8
Octal
430777035
10
Decimal
73661981
12
Duodecimal
20804565
16
Hexadecimal
463fe1d
20
Vigesimal
1307ej1
36
Base36
17uty5
md5
fefd56daa205f306ce479d3cc052c1c9
sha1
867a39a7869165d6714cc727e9f1d05921a88576
sha256
d306242c9e23bd86d0cf9cd1802af561d0b2857e32e6d923bbf3eb88531c4f10
sha512
63060828d22fa23bc3d4d34e7438ac5c713c598b532f097ace23ebbd297a412632511bf06f35aedd7113d05090d14f7d8ff4b7cac5888eb1aa242841df95e3aa
ripemd-160
bdff3149e798ffed01e87e638b28001fd84ae3ae
Diameter
147323962
Circumference
462831876.71694
Area
1.7046556454459E+16
Volume
1.674244156885E+24
Surface area
6.8186225817835E+16
Circumference
462831876.71694
Perimeter
294647924
Area
5426087444844361
Diagonal
104173772.56147
Surface area
32556524669066166
Volume
3.9969635026646E+23
Space diagonal
127586293.67817
Perimeter
220985943
Area
2.3495647851955E+15
Altitude
63793146.839087
Surface area
2.3495647851955E+15
Volume
4.7104666614822E+22
Height
34724590.853823