71345721 is an odd 8-digits composite number following 71345720
and preceding 71345722 . In scientific notation, it is written as 7.1345721 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 46799040 positive integers (up to 71345721) that are relatively prime to 71345721.
71345721 has 16 divisors, whose sum is 96667200
The reverse of 71345721 is 12754317
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-one million three hundred forty-five thousand seven hundred twenty-one
Scientific notation
7.1345721 × 10^7
Engineering notation
7.1345721 × 10^6
Prime Factorization
3 × 83 × 821 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71345721
Product of the distinct prime numbers
The prime factorization of 71345721 is 3 × 83 × 821 × 349.
Since it has a total of 4 prime factors.
2 , 5 , 91 , 55 , 975 , 492 , 4290 , 6961 , 46761 , 87997 , 605578 , 835065 , 2136730 , 8202263 , 70868297 , 50488445 , 275731990 , 755926213 , 2125429749 , 3082171968
n×2
142691442
n×3
214037163
n×4
285382884
n×5
356728605
n÷2
35672860.5
n÷3
23781907
n÷3
17836430.25
n÷5
14269144.2
n2
5090211905009841
n3
3.6316483840571E+23
n4
2.5910257237904E+31
n5
1.8485859839337E+39
2 √n
8446.6396276863
3 √n
414.75278448986
4 √n
91.90560172093
5 √n
37.211192349008
1 , 3 , 83 , 249 , 349 , 821 , 1047 , 2463 , 28967 , 68143 , 86901 , 204429 , 286529 , 859587 , 23781907 , 71345721
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
-71345720
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 71345721 can be divided by 16 positive divisors.
The sum of these divisors (counting 71345721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000001010011000111001
3
Ternary
11222020201221010
4
Quaternary
10100022120321
5
Quinary
121231030341
6
Senary
11025104133
8
Octal
420123071
10
Decimal
71345721
12
Duodecimal
1ba88049
16
Hexadecimal
440a639
20
Vigesimal
125i461
36
Base36
16h6pl
md5
05b3b9c9c9080a0091bcce729c60a162
sha1
da66b15200f5a51baf4e603fde8501ef1d9ac9ea
sha256
ba86ab98b3fa5280ff2002cd834a10094d4ea58ad41da3776736f3fbba850b6e
sha512
d6af38284e6a3686ae964021fcd313e0f5567fa555a1abb3951955df6c10b01234ccf0be2edacf67fbbc579a8d85d2bb5a84fab1e97c43cbf73d5c86b2b1d872
ripemd-160
244f243039ae3c35999777d50b50b39f5f0b370c
Diameter
142691442
Circumference
448278385.91733
Area
1.5991372325994E+16
Volume
1.5212213178367E+24
Surface area
6.3965489303977E+16
Circumference
448278385.91733
Perimeter
285382884
Area
5090211905009841
Diagonal
100898086.25549
Surface area
30541271430059046
Volume
3.6316483840571E+23
Space diagonal
123574413.67463
Perimeter
214037163
Area
2.2041264101923E+15
Altitude
61787206.837317
Surface area
2.2041264101923E+15
Volume
4.2799386654199E+22
Height
33632695.418496