71397387 is an odd 8-digits composite number following 71397386
and preceding 71397388 . In scientific notation, it is written as 7.1397387 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 46927440 positive integers (up to 71397387) that are relatively prime to 71397387.
71397387 has 12 divisors, whose sum is 104583024
The reverse of 71397387 is 78379317
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred ninety-seven thousand three hundred eighty-seven
Scientific notation
7.1397387 × 10^7
Engineering notation
7.1397387 × 10^6
Prime Factorization
3 × 3 × 71 × 111733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
23799129
Product of the distinct prime numbers
The prime factorization of 71397387 is 3 × 3 × 71 × 111733.
Since it has a total of 4 prime factors.
8 , 5 , 18 , 19 , 446 , 169 , 7243 , 531 , 88265 , 87035 , 195399 , 409919 , 1934024 , 7844502 , 801078 , 46959 , 942355783 , 967543219 , 3746286403 , 9811562281
n×2
142794774
n×3
214192161
n×4
285589548
n×5
356986935
n÷2
35698693.5
n÷3
23799129
n÷3
17849346.75
n÷5
14279477.4
n2
5097586870427769
n3
3.6395438255405E+23
n4
2.5985391901558E+31
n5
1.8552890819422E+39
2 √n
8449.6974502049
3 √n
414.85287667261
4 √n
91.922235885584
5 √n
37.216580189459
1 , 3 , 9 , 71 , 213 , 639 , 111733 , 335199 , 1005597 , 7933043 , 23799129 , 71397387
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71397386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71397387 can be divided by 12 positive divisors.
The sum of these divisors (counting 71397387) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010111000000001011
3
Ternary
11222100100210200
4
Quaternary
10100113000023
5
Quinary
121234204022
6
Senary
11030143243
8
Octal
420270013
10
Decimal
71397387
12
Duodecimal
1bab1b23
16
Hexadecimal
441700b
20
Vigesimal
1264d97
36
Base36
16iakr
md5
263eea5bbb5117bbb8b5bbc811445849
sha1
84af923df5a02c38d61ce027a28696496b7ee690
sha256
fb664d4ab37fcd0eb312d860bc9ce752711118bc5f4cbb67e011934c3bfefd58
sha512
f18a0804de68f36052011893db3913f2ccd3d254391af89b0b820b5512bb5ec0ba2fd78683f3d0f4b51dccd4c7b542fb0a3ae0a149cd4c25bb3218700623850f
ripemd-160
559ce9d10e6a9b917564af678b2d38ebee37db64
Diameter
142794774
Circumference
448603012.96941
Area
1.6014541463172E+16
Volume
1.5245285526315E+24
Surface area
6.4058165852687E+16
Circumference
448603012.96941
Perimeter
285589548
Area
5097586870427769
Diagonal
100971153.0134
Surface area
30585521222566614
Volume
3.6395438255405E+23
Space diagonal
123663901.81166
Perimeter
214192161
Area
2.2073198638942E+15
Altitude
61831950.905829
Surface area
2.2073198638942E+15
Volume
4.2892435324422E+22
Height
33657051.004467