71991470 is an even 8-digits composite number following 71991469
and preceding 71991471 . In scientific notation, it is written as 7.1991470 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 28796584 positive integers (up to 71991470) that are relatively prime to 71991470.
71991470 has 8 divisors, whose sum is 129584664
The reverse of 71991470 is 07419917
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million nine hundred ninety-one thousand four hundred seventy
Scientific notation
7.1991470 × 10^7
Engineering notation
7.1991470 × 10^6
Prime Factorization
2 × 5 × 7199147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71991470
Product of the distinct prime numbers
The prime factorization of 71991470 is 2 × 5 × 7199147.
Since it has a total of 3 prime factors.
4 , 4 , 45 , 46 , 493 , 774 , 6090 , 3482 , 4086 , 21613 , 120249 , 545135 , 9367993 , 7769720 , 2931671 , 63200666 , 588952898 , 592990938 , 8355472517 , 9595095153
n×2
143982940
n×3
215974410
n×4
287965880
n×5
359957350
n÷2
35995735
n÷3
23997156.666667
n÷3
17997867.5
n÷5
14398294
n2
5182771752760900
n3
3.7311535715573E+23
n4
2.6861123041216E+31
n5
1.933771733588E+39
2 √n
8484.7787242803
3 √n
416.00033515136
4 √n
92.112858626146
5 √n
37.27830938029
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71991469
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71991470 can be divided by 8 positive divisors.
The sum of these divisors (counting 71991470) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010101000000010101110
3
Ternary
12000110112201202
4
Quaternary
10102220002232
5
Quinary
121412211340
6
Senary
11051005502
8
Octal
422500256
10
Decimal
71991470
12
Duodecimal
20139892
16
Hexadecimal
44a80ae
20
Vigesimal
129iida
36
Base36
16v0z2
md5
63f8556d3e406df5c30a91f2d5c08f0c
sha1
b69f63cd048d133f7e415dda87c2ae0e5c85c72b
sha256
e899aec504d2d2974206c51c7ba3bcc9d6e6f4a1cb14c85843aece2428a1041f
sha512
da3f7ec1a0627c6587b958409c7bf3413d4c658a55f3c730c1c70a80609be65c589c6c70981fd72c093df0a74a9cb6b5da4dd12409647552f549c1ac0aa2ed23
ripemd-160
dea88465a09130c8c8dce504646f3366f1d46a92
Diameter
143982940
Circumference
452335746.54626
Area
1.6282157663706E+16
Volume
1.5629019533093E+24
Surface area
6.5128630654825E+16
Circumference
452335746.54626
Perimeter
287965880
Area
5182771752760900
Diagonal
101811313.24918
Surface area
31096630516565400
Volume
3.7311535715573E+23
Space diagonal
124692883.75157
Perimeter
215974410
Area
2.2442059999537E+15
Altitude
62346441.875785
Surface area
2.2442059999537E+15
Volume
4.3972066534943E+22
Height
33937104.416392