71893721 is an odd 8-digits composite number following 71893720
and preceding 71893722 . In scientific notation, it is written as 7.1893721 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 70221732 positive integers (up to 71893721) that are relatively prime to 71893721.
71893721 has 4 divisors, whose sum is 73565712
The reverse of 71893721 is 12739817
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million eight hundred ninety-three thousand seven hundred twenty-one
Scientific notation
7.1893721 × 10^7
Engineering notation
7.1893721 × 10^6
Prime Factorization
43 × 1671947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71893721
Product of the distinct prime numbers
The prime factorization of 71893721 is 43 × 1671947.
Since it has a total of 2 prime factors.
9 , 5 , 85 , 69 , 580 , 254 , 9915 , 6627 , 97600 , 76842 , 180215 , 277073 , 6795443 , 4766175 , 70567109 , 97981863 , 290978452 , 127426774 , 1758551574 , 4787388838
n×2
143787442
n×3
215681163
n×4
287574884
n×5
359468605
n÷2
35946860.5
n÷3
23964573.666667
n÷3
17973430.25
n÷5
14378744.2
n2
5168707119225841
n3
3.7159758756034E+23
n4
2.6715533284336E+31
n5
1.9206790963103E+39
2 √n
8479.016511365
3 √n
415.81197008154
4 √n
92.08157530888
5 √n
37.268180685484
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
-71893720
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 71893721 can be divided by 4 positive divisors.
The sum of these divisors (counting 71893721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010010000001011011001
3
Ternary
12000021120122102
4
Quaternary
10102100023121
5
Quinary
121401044341
6
Senary
11044533145
8
Octal
422201331
10
Decimal
71893721
12
Duodecimal
200b11b5
16
Hexadecimal
44902d9
20
Vigesimal
1296e61
36
Base36
16sxjt
md5
c9f6c916e8b67a841c4deb9da18de125
sha1
cf96819801e5a1af54440753d798e18255a34fa6
sha256
1f1c35161a5cba758939483fe4c38ec655565f31c2ce80956282a652151209b7
sha512
4e05d4296296315bd640761f0807696032a178d00a38b6a3eee340613a8927f35d2389d08c63142aa16a5cc5d9e0753fc208da2e294d56ff94558fb220d68adc
ripemd-160
6b05b64839cf5c60f8b150a0b062fec4647d1181
Diameter
143787442
Circumference
451721571.46567
Area
1.6237972314317E+16
Volume
1.556544334895E+24
Surface area
6.4951889257269E+16
Circumference
451721571.46567
Perimeter
287574884
Area
5168707119225841
Diagonal
101673075.28767
Surface area
31012242715355046
Volume
3.7159758756034E+23
Space diagonal
124523577.51718
Perimeter
215681163
Area
2.2381158349855E+15
Altitude
62261788.758591
Surface area
2.2381158349855E+15
Volume
4.3793195672746E+22
Height
33891025.095889