71397992 is an even 8-digits composite number following 71397991
and preceding 71397993 . In scientific notation, it is written as 7.1397992 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 8 positive divisors.
There are 35698992 positive integers (up to 71397992) that are relatively prime to 71397992.
71397992 has 8 divisors, whose sum is 133871250
The reverse of 71397992 is 29979317
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million three hundred ninety-seven thousand nine hundred ninety-two
Scientific notation
7.1397992 × 10^7
Engineering notation
7.1397992 × 10^6
Prime Factorization
2 × 2 × 2 × 8924749
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17849498
Product of the distinct prime numbers
The prime factorization of 71397992 is 2 × 2 × 2 × 8924749.
Since it has a total of 4 prime factors.
7 , 6 , 66 , 70 , 123 , 288 , 2941 , 635 , 98397 , 5209 , 943140 , 790833 , 2464516 , 154205 , 77493816 , 30794757 , 908349234 , 535579280 , 7622763594 , 4710864197
n×2
142795984
n×3
214193976
n×4
285591968
n×5
356989960
n÷2
35698996
n÷3
23799330.666667
n÷3
17849498
n÷5
14279598.4
n2
5097673261632064
n3
3.6396363475262E+23
n4
2.5986272682358E+31
n5
1.8553676890848E+39
2 √n
8449.7332502275
3 √n
414.85404844883
4 √n
91.922430615315
5 √n
37.216643261669
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
-71397991
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 71397992 can be divided by 8 positive divisors.
The sum of these divisors (counting 71397992) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010111001001101000
3
Ternary
11222100101122002
4
Quaternary
10100113021220
5
Quinary
121234213432
6
Senary
11030150132
8
Octal
420271150
10
Decimal
71397992
12
Duodecimal
1bab2348
16
Hexadecimal
4417268
20
Vigesimal
1264ejc
36
Base36
16ib1k
md5
58fa5fdbd4383654ab47d161e8be2dd3
sha1
9ee8ec29fed4a8120e064628596534ef93d514f5
sha256
daa2d39112c6806ceb08736d6085528e34265fef3018df53c44b815657e7c60e
sha512
1d6e179ab6af3966990c11159d2e305eb5176e9cac10e03ddd8958cb356373c35459d7ddc3bdc87fc70bc35f30ab2ab965b70a6742eecf0f82f5cb643b71ef73
ripemd-160
2bc2324f5669193a1571803bcfd0232225204a24
Diameter
142795984
Circumference
448606814.29653
Area
1.6014812869144E+16
Volume
1.5245673081502E+24
Surface area
6.4059251476578E+16
Circumference
448606814.29653
Perimeter
285591968
Area
5097673261632064
Diagonal
100972008.61261
Surface area
30586039569792384
Volume
3.6396363475262E+23
Space diagonal
123664949.7024
Perimeter
214193976
Area
2.207357272383E+15
Altitude
61832474.851198
Surface area
2.207357272383E+15
Volume
4.289352570648E+22
Height
33657336.204202