71349891 is an odd 8-digits composite number following 71349890
and preceding 71349892 . In scientific notation, it is written as 7.1349891 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 47566592 positive integers (up to 71349891) that are relatively prime to 71349891.
71349891 has 4 divisors, whose sum is 95133192
The reverse of 71349891 is 19894317
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred forty-nine thousand eight hundred ninety-one
Scientific notation
7.1349891 × 10^7
Engineering notation
7.1349891 × 10^6
Prime Factorization
3 × 23783297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71349891
Product of the distinct prime numbers
The prime factorization of 71349891 is 3 × 23783297.
Since it has a total of 2 prime factors.
2 , 6 , 75 , 12 , 597 , 418 , 7813 , 4956 , 35774 , 1040 , 692112 , 732325 , 1040191 , 1223664 , 66363493 , 9778630 , 205827357 , 43994535 , 6624318433 , 209587387
n×2
142699782
n×3
214049673
n×4
285399564
n×5
356749455
n÷2
35674945.5
n÷3
23783297
n÷3
17837472.75
n÷5
14269978.2
n2
5090806945711881
n3
3.6322852067859E+23
n4
2.5916315358508E+31
n5
1.8491262759512E+39
2 √n
8446.8864678058
3 √n
414.7608647942
4 √n
91.906944611415
5 √n
37.21162732126
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
-71349890
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 71349891 can be divided by 4 positive divisors.
The sum of these divisors (counting 71349891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000001011011010000011
3
Ternary
11222020221122120
4
Quaternary
10100023122003
5
Quinary
121231144031
6
Senary
11025135323
8
Octal
420133203
10
Decimal
71349891
12
Duodecimal
1ba8a543
16
Hexadecimal
440b683
20
Vigesimal
125ieeb
36
Base36
16h9xf
md5
c39b1554f2bf4a68a9af85640ff4a08e
sha1
fd0f0aab5a914895e1c963aee2e757d605c39c51
sha256
4da0f520514a7af5f06a38b6caa02d9d0680eea3f0f3d7fa9ed8bc6eab7f2680
sha512
8881e8aba09fb9d4e2ec6c57d3b4c9c59e64383a8a924f4f9c5ccaee2127f3aa404fb030377c32443dffb2a2bd90286859ec3e10478ccfcf3e9bbc06173823e9
ripemd-160
d42d17b406bb36e6c079c499bba1269cd0168cb8
Diameter
142699782
Circumference
448304586.80006
Area
1.5993241701492E+16
Volume
1.5214880695175E+24
Surface area
6.3972966805969E+16
Circumference
448304586.80006
Perimeter
285399564
Area
5090806945711881
Diagonal
100903983.52604
Surface area
30544841674271286
Volume
3.6322852067859E+23
Space diagonal
123581636.3265
Perimeter
214049673
Area
2.2043840703744E+15
Altitude
61790818.163251
Surface area
2.2043840703744E+15
Volume
4.2806891682031E+22
Height
33634661.175347