71431491 is an odd 8-digits composite number following 71431490
and preceding 71431492 . In scientific notation, it is written as 7.1431491 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 45423840 positive integers (up to 71431491) that are relatively prime to 71431491.
71431491 has 16 divisors, whose sum is 99659520
The reverse of 71431491 is 19413417
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-one million four hundred thirty-one thousand four hundred ninety-one
Scientific notation
7.1431491 × 10^7
Engineering notation
7.1431491 × 10^6
Prime Factorization
3 × 23 × 421 × 2459
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71431491
Product of the distinct prime numbers
The prime factorization of 71431491 is 3 × 23 × 421 × 2459.
Since it has a total of 4 prime factors.
6 , 9 , 87 , 73 , 244 , 146 , 7220 , 6097 , 15786 , 6567 , 403376 , 309686 , 4191709 , 9569590 , 15154769 , 33567326 , 536018913 , 203615761 , 4515021473 , 9929175553
n×2
142862982
n×3
214294473
n×4
285725964
n×5
357157455
n÷2
35715745.5
n÷3
23810497
n÷3
17857872.75
n÷5
14286298.2
n2
5102457906483081
n3
3.6447617602483E+23
n4
2.6035076687432E+31
n5
1.8597243460826E+39
2 √n
8451.7152696953
3 √n
414.91891966106
4 √n
91.93321091801
5 √n
37.220134918467
1 , 3 , 23 , 69 , 421 , 1263 , 2459 , 7377 , 9683 , 29049 , 56557 , 169671 , 1035239 , 3105717 , 23810497 , 71431491
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71431490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71431491 can be divided by 16 positive divisors.
The sum of these divisors (counting 71431491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000011111010101000011
3
Ternary
11222102002120210
4
Quaternary
10100133111003
5
Quinary
121241301431
6
Senary
11031005203
8
Octal
420372503
10
Decimal
71431491
12
Duodecimal
1bb09803
16
Hexadecimal
441f543
20
Vigesimal
1268ieb
36
Base36
16j0w3
md5
f23acad238ef446ee48374a6bc4beb2a
sha1
49fda0599dda526719cdcf215d9c6ffc21e0a1cb
sha256
44032d32161739e688ea70b1a0a6d75d5e465f4ba14925ae79eda3c82b5f39da
sha512
859fb2503e96c0d1dd83ceba99eb6543e5e4839cb4162c1863ab6ef2fcdb001f04263a85ce8851534186901f6f4c8aeb6c59074b3aea800b3ea62bfc11c2bf5b
ripemd-160
833c815fe567400e23717791ed084919c2088041
Diameter
142862982
Circumference
448817294.72113
Area
1.6029844274258E+16
Volume
1.5267142360108E+24
Surface area
6.4119377097034E+16
Circumference
448817294.72113
Perimeter
285725964
Area
5102457906483081
Diagonal
101019383.35273
Surface area
30614747438898486
Volume
3.6447617602483E+23
Space diagonal
123722971.6724
Perimeter
214294473
Area
2.2094290843776E+15
Altitude
61861485.836199
Surface area
2.2094290843776E+15
Volume
4.2953929274683E+22
Height
33673127.784244