71389615 is an odd 8-digits composite number following 71389614
and preceding 71389616 . In scientific notation, it is written as 7.1389615 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 51919680 positive integers (up to 71389615) that are relatively prime to 71389615.
71389615 has 4 divisors, whose sum is 72687664
The reverse of 71389615 is 51698317
Previous prime number is 55
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million three hundred eighty-nine thousand six hundred fifteen
Scientific notation
7.1389615 × 10^7
Engineering notation
7.1389615 × 10^6
Prime Factorization
55 × 1297993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71389615
Product of the distinct prime numbers
The prime factorization of 71389615 is 55 × 1297993.
Since it has a total of 2 prime factors.
4 , 7 , 40 , 27 , 461 , 260 , 1295 , 7205 , 81979 , 81811 , 538886 , 56836 , 5877457 , 7372531 , 96514805 , 38387588 , 238102253 , 296857794 , 5483082512 , 6395759481
n×2
142779230
n×3
214168845
n×4
285558460
n×5
356948075
n÷2
35694807.5
n÷3
23796538.333333
n÷3
17847403.75
n÷5
14277923
n2
5096477129848225
n3
3.6383554015617E+23
n4
2.5974079135066E+31
n5
1.8542795094319E+39
2 √n
8449.2375395653
3 √n
414.83782311723
4 √n
91.919734222665
5 √n
37.215769908107
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71389614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71389615 can be divided by 4 positive divisors.
The sum of these divisors (counting 71389615) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010101000110101111
3
Ternary
11222022222010211
4
Quaternary
10100111012233
5
Quinary
121233431430
6
Senary
11030043251
8
Octal
420250657
10
Decimal
71389615
12
Duodecimal
1baa9527
16
Hexadecimal
44151af
20
Vigesimal
1263e0f
36
Base36
16i4kv
md5
504c9667bb94af9e6b3ffd19e16e169d
sha1
837b43ebdf8f11e8c7c68640967d72230014d380
sha256
ed9a65acbb084b344de5ba8ce59cdeb9d469aad5250cd85f28afbd3849ad47f5
sha512
1419184bfab636edf11459b8e0097afbd2a772c174c3680cfc04c8ef2dbaea37fceb43bc5a381bda963cfd27c5dc97095fc978e40503013936b97d61dcfd1cf1
ripemd-160
9f3c41c0984a693f7282125af518a2e80f2c7541
Diameter
142779230
Circumference
448554180.05321
Area
1.601105511032E+16
Volume
1.5240307467593E+24
Surface area
6.4044220441278E+16
Circumference
448554180.05321
Perimeter
285558460
Area
5096477129848225
Diagonal
100960161.74559
Surface area
30578862779089350
Volume
3.6383554015617E+23
Space diagonal
123650440.31278
Perimeter
214168845
Area
2.2068393321275E+15
Altitude
61825220.156391
Surface area
2.2068393321275E+15
Volume
4.2878429613516E+22
Height
33653387.248531