71388591 is an odd 8-digits composite number following 71388590
and preceding 71388592 . In scientific notation, it is written as 7.1388591 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 47057472 positive integers (up to 71388591) that are relatively prime to 71388591.
71388591 has 8 divisors, whose sum is 96254640
The reverse of 71388591 is 19588317
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred eighty-eight thousand five hundred ninety-one
Scientific notation
7.1388591 × 10^7
Engineering notation
7.1388591 × 10^6
Prime Factorization
3 × 89 × 267373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388591
Product of the distinct prime numbers
The prime factorization of 71388591 is 3 × 89 × 267373.
Since it has a total of 3 prime factors.
4 , 3 , 61 , 77 , 408 , 779 , 8124 , 3017 , 29419 , 87661 , 783167 , 694712 , 2702400 , 2260131 , 11431352 , 87213239 , 971700731 , 532187300 , 6840044809 , 9528743168
n×2
142777182
n×3
214165773
n×4
285554364
n×5
356942955
n÷2
35694295.5
n÷3
23796197
n÷3
17847147.75
n÷5
14277718.2
n2
5096330924965281
n3
3.63819884003E+23
n4
2.5972588896757E+31
n5
1.8541465259618E+39
2 √n
8449.1769421642
3 √n
414.83583965431
4 √n
91.919404600793
5 √n
37.215663144211
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
-71388590
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 71388591 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388591) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100110110101111
3
Ternary
11222022220201220
4
Quaternary
10100110312233
5
Quinary
121233413331
6
Senary
11030034423
8
Octal
420246657
10
Decimal
71388591
12
Duodecimal
1baa8a13
16
Hexadecimal
4414daf
20
Vigesimal
1263b9b
36
Base36
16i3sf
md5
ad7789996c872459f214cd1e073b4223
sha1
b231d23c3cdb441e725bdad3799fe9027717dd46
sha256
276800567cb692c8de983b1242d2f42d74b38dab88d792066d6a039d7531c52a
sha512
ccef927ebfed32e9b4547eae411627626f026c8d82354939b12cb7cc6c37a1d0d845b3efc926022fe16209f1c5b8053410370ead2a464b87c7ad1d7af9103997
ripemd-160
442e785f7aeaccb9aa9838bdd44d1ecbaac96b82
Diameter
142777182
Circumference
448547746.07145
Area
1.6010595794133E+16
Volume
1.5239651664183E+24
Surface area
6.4042383176534E+16
Circumference
448547746.07145
Perimeter
285554364
Area
5096330924965281
Diagonal
100958713.59091
Surface area
30577985549791686
Volume
3.63819884003E+23
Space diagonal
123648666.69275
Perimeter
214165773
Area
2.2067760235561E+15
Altitude
61824333.346377
Surface area
2.2067760235561E+15
Volume
4.2876584518171E+22
Height
33652904.530302