71398521 is an odd 8-digits composite number following 71398520
and preceding 71398522 . In scientific notation, it is written as 7.1398521 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 44654976 positive integers (up to 71398521) that are relatively prime to 71398521.
71398521 has 16 divisors, whose sum is 84268800
The reverse of 71398521 is 12589317
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million three hundred ninety-eight thousand five hundred twenty-one
Scientific notation
7.1398521 × 10^7
Engineering notation
7.1398521 × 10^6
Prime Factorization
9 × 17 × 439 × 1063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71398521
Product of the distinct prime numbers
The prime factorization of 71398521 is 9 × 17 × 439 × 1063.
Since it has a total of 4 prime factors.
2 , 3 , 5 , 19 , 529 , 671 , 2431 , 28 , 24882 , 34081 , 419374 , 351591 , 835668 , 515079 , 38617043 , 74687246 , 221024705 , 414574721 , 4222427844 , 6342957835
n×2
142797042
n×3
214195563
n×4
285594084
n×5
356992605
n÷2
35699260.5
n÷3
23799507
n÷3
17849630.25
n÷5
14279704.2
n2
5097748800987441
n3
3.6397172482003E+23
n4
2.5987042837969E+31
n5
1.8554364237946E+39
2 √n
8449.7645529328
3 √n
414.85507302129
4 √n
91.922600882116
5 √n
37.216698410407
1 , 9 , 17 , 153 , 439 , 1063 , 3951 , 7463 , 9567 , 18071 , 67167 , 162639 , 466657 , 4199913 , 7933169 , 71398521
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71398520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71398521 can be divided by 16 positive divisors.
The sum of these divisors (counting 71398521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010111010001111001
3
Ternary
11222100102100200
4
Quaternary
10100113101321
5
Quinary
121234223041
6
Senary
11030152413
8
Octal
420272171
10
Decimal
71398521
12
Duodecimal
1bab2709
16
Hexadecimal
4417479
20
Vigesimal
1264g61
36
Base36
16ibg9
md5
65f417debee995fa15c43e1e1f5ff7bc
sha1
7263510431b0c2bbfdb009cf6d82e3eac8fff686
sha256
00a4cd54650b42382d8185302677cb675cbfd3a8cdbc19bc86c578bf401ca033
sha512
8fe284354498ff430d9eca15845b7f8e9f6b4141ed080ff3e86cb06d616220eb4a29bd32bf50641d0d773b4cdd7ad6ec9a002ef20472804c1aadd71c5b118393
ripemd-160
b8cc7c312c8246e6450eeb428655cf0111a79842
Diameter
142797042
Circumference
448610138.10155
Area
1.6015050183028E+16
Volume
1.5246011957453E+24
Surface area
6.4060200732113E+16
Circumference
448610138.10155
Perimeter
285594084
Area
5097748800987441
Diagonal
100972756.73158
Surface area
30586492805924646
Volume
3.6397172482003E+23
Space diagonal
123665865.95727
Perimeter
214195563
Area
2.2073899818834E+15
Altitude
61832932.978637
Surface area
2.2073899818834E+15
Volume
4.2894479130067E+22
Height
33657585.577193