71388949 is an odd 8-digits composite number following 71388948
and preceding 71388950 . In scientific notation, it is written as 7.1388949 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 71371936 positive integers (up to 71388949) that are relatively prime to 71388949.
71388949 has 4 divisors, whose sum is 71405964
The reverse of 71388949 is 94988317
Previous prime number is 9497
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-one million three hundred eighty-eight thousand nine hundred forty-nine
Scientific notation
7.1388949 × 10^7
Engineering notation
7.1388949 × 10^6
Prime Factorization
9497 × 7517
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71388949
Product of the distinct prime numbers
The prime factorization of 71388949 is 9497 × 7517.
Since it has a total of 2 prime factors.
8 , 3 , 64 , 45 , 288 , 171 , 2353 , 7368 , 96380 , 43563 , 549843 , 458631 , 7062582 , 3410571 , 34752965 , 26179872 , 868211416 , 565359259 , 2764307623 , 9120407710
n×2
142777898
n×3
214166847
n×4
285555796
n×5
356944745
n÷2
35694474.5
n÷3
23796316.333333
n÷3
17847237.25
n÷5
14277789.8
n2
5096382039324601
n3
3.6382535748986E+23
n4
2.597310989075E+31
n5
1.8541930173622E+39
2 √n
8449.1981276332
3 √n
414.8365330937
4 √n
91.919519840093
5 √n
37.215700470009
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
-71388948
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 71388949 can be divided by 4 positive divisors.
The sum of these divisors (counting 71388949) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100111100010101
3
Ternary
11222022221020011
4
Quaternary
10100110330111
5
Quinary
121233421244
6
Senary
11030040221
8
Octal
420247425
10
Decimal
71388949
12
Duodecimal
1baa9071
16
Hexadecimal
4414f15
20
Vigesimal
1263c79
36
Base36
16i42d
md5
53aab928b2801ae6f50fd351d71534cc
sha1
802c42068fde0b22d18e757032c6e6beb5f24eee
sha256
b946dbbab0a4c47b80d82c846e8f806cca8b7e14afd3e3d07fc0a5eac81b9c4c
sha512
909ea30a10e7857ce98f2584515756fe3cf7158bccc580614e5b3ad4c53cf076b70684f25d824271816ebcbe8c5dc9ad1cedc1c6bebea13be1011370a47aaa0d
ripemd-160
0f4fab969786f81c9241292316ba3253f2517c91
Diameter
142777898
Circumference
448549995.45179
Area
1.6010756374629E+16
Volume
1.5239880937064E+24
Surface area
6.4043025498517E+16
Circumference
448549995.45179
Perimeter
285555796
Area
5096382039324601
Diagonal
100959219.87936
Surface area
30578292235947606
Volume
3.6382535748986E+23
Space diagonal
123649286.76694
Perimeter
214166847
Area
2.2067981567229E+15
Altitude
61824643.383472
Surface area
2.2067981567229E+15
Volume
4.2877229574783E+22
Height
33653073.29312