71663840 is an even 8-digits composite number following 71663839
and preceding 71663841 . In scientific notation, it is written as 7.1663840 × 10^7.
The sum of its digits is 35. It has a total of 7 prime factors and 24 positive divisors.
There are 26978304 positive integers (up to 71663840) that are relatively prime to 71663840.
71663840 has 24 divisors, whose sum is 142753464
The reverse of 71663840 is 04836617
Previous prime number is 85
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million six hundred sixty-three thousand eight hundred forty
Scientific notation
7.1663840 × 10^7
Engineering notation
7.1663840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 85 × 26347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4478990
Product of the distinct prime numbers
The prime factorization of 71663840 is 2 × 2 × 2 × 2 × 2 × 85 × 26347.
Since it has a total of 7 prime factors.
7 , 4 , 53 , 48 , 644 , 867 , 1758 , 1992 , 42437 , 22408 , 631304 , 157292 , 6636442 , 9515049 , 63985436 , 46091427 , 412886967 , 155218494 , 7402366566 , 5805762265
n×2
143327680
n×3
214991520
n×4
286655360
n×5
358319200
n÷2
35831920
n÷3
23887946.666667
n÷3
17915960
n÷5
14332768
n2
5135705963545600
n3
3.6804441045858E+23
n4
2.6375475743998E+31
n5
1.8901678736417E+39
2 √n
8465.449781317
3 √n
415.36830902187
4 √n
92.007878908912
5 √n
37.244317056945
1 , 2 , 4 , 8 , 16 , 32 , 85 , 170 , 340 , 680 , 1360 , 2720 , 26347 , 52694 , 105388 , 210776 , 421552 , 843104 , 2239495 , 4478990 , 8957980 , 17915960 , 35831920 , 71663840
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71663839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71663840 can be divided by 24 positive divisors.
The sum of these divisors (counting 71663840) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010001011000000011100000
3
Ternary
11222211220022022
4
Quaternary
10101120003200
5
Quinary
121321220330
6
Senary
11040001012
8
Octal
421300340
10
Decimal
71663840
12
Duodecimal
20000168
16
Hexadecimal
44580e0
20
Vigesimal
127hjc0
36
Base36
16o068
md5
4efb3abdf6297b09a91cd688dc90e0e6
sha1
f5c00a912ebfcda888843d0d543a410141ba9a3c
sha256
663cffec2879ce96ce66d5eb5c7c65e69225b4eb6f5dd83f1cb84b085372a8fa
sha512
be4acb916e8bf76d5a09fbc2263743f248ca3a90a75c9afb90d8fc6966f011f0380efd45f6fbbf76f92dbe5d3244cbc3e60d01a4b529c34d666951266dd540a0
ripemd-160
9932fbf7dfa7dd4fe0d1f28eaee922cd00bbcf88
Diameter
143327680
Circumference
450277186.54407
Area
1.6134296126072E+16
Volume
1.5416608214553E+24
Surface area
6.4537184504289E+16
Circumference
450277186.54407
Perimeter
286655360
Area
5135705963545600
Diagonal
101347974.45974
Surface area
30814235781273600
Volume
3.6804441045858E+23
Space diagonal
124125411.94549
Perimeter
214991520
Area
2.2238259153989E+15
Altitude
62062705.972743
Surface area
2.2238259153989E+15
Volume
4.3374449735511E+22
Height
33782658.153245