71291840 is an even 8-digits composite number following 71291839
and preceding 71291841 . In scientific notation, it is written as 7.1291840 × 10^7.
The sum of its digits is 32. It has a total of 8 prime factors and 28 positive divisors.
There are 28516608 positive integers (up to 71291840) that are relatively prime to 71291840.
71291840 has 28 divisors, whose sum is 169764456
The reverse of 71291840 is 04819217
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million two hundred ninety-one thousand eight hundred forty
Scientific notation
7.1291840 × 10^7
Engineering notation
7.1291840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 222787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2227870
Product of the distinct prime numbers
The prime factorization of 71291840 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 222787.
Since it has a total of 8 prime factors.
4 , 3 , 64 , 80 , 615 , 231 , 4512 , 5433 , 95430 , 53226 , 298904 , 705243 , 2447607 , 1881979 , 32824907 , 96766022 , 859124053 , 848575458 , 4344970336 , 429672249
n×2
142583680
n×3
213875520
n×4
285167360
n×5
356459200
n÷2
35645920
n÷3
23763946.666667
n÷3
17822960
n÷5
14258368
n2
5082526450585600
n3
3.6234266251092E+23
n4
2.5832075120902E+31
n5
1.8416161663873E+39
2 √n
8443.4495320337
3 √n
414.64834971572
4 √n
91.888244797872
5 √n
37.205570197679
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 160 , 320 , 222787 , 445574 , 891148 , 1113935 , 1782296 , 2227870 , 3564592 , 4455740 , 7129184 , 8911480 , 14258368 , 17822960 , 35645920 , 71291840
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71291839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71291840 can be divided by 28 positive divisors.
The sum of these divisors (counting 71291840) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100001111111101001111000000
3
Ternary
11222011000000112
4
Quaternary
10033331033000
5
Quinary
121222314330
6
Senary
11024010452
8
Octal
417751700
10
Decimal
71291840
12
Duodecimal
1ba60a28
16
Hexadecimal
43fd3c0
20
Vigesimal
125b9c0
36
Base36
16g14w
md5
3ed388fefb47ba770d79db6af3de6e46
sha1
d6009d64311153e1c081640514c6a356435c9b23
sha256
55c7995d37d082403d7baf7af6851a75fa6f644a63eb0b44f623b3a2d51daf0d
sha512
386fc601a5a5f1ccd85619580d51ea335e3fdcdd4350b6cdcc43ed442df9c2efbe328f410377879ef3cc0d2293dbdca60003cf8c9b8336f98784d174aba00879
ripemd-160
77d48e0872b51073368eb139d59eed79d33b5c0d
Diameter
142583680
Circumference
447939841.6098
Area
1.5967227758836E+16
Volume
1.5177773955019E+24
Surface area
6.3868911035342E+16
Circumference
447939841.6098
Perimeter
285167360
Area
5082526450585600
Diagonal
100821887.01453
Surface area
30495158703513600
Volume
3.6234266251092E+23
Space diagonal
123481089.04507
Perimeter
213875520
Area
2.2007985108067E+15
Altitude
61740544.522536
Surface area
2.2007985108067E+15
Volume
4.2702492295776E+22
Height
33607295.671511