71389290 is an even 8-digits composite number following 71389289
and preceding 71389291 . In scientific notation, it is written as 7.1389290 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 15356928 positive integers (up to 71389290) that are relatively prime to 71389290.
71389290 has 32 divisors, whose sum is 138226176
The reverse of 71389290 is 09298317
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred eighty-nine thousand two hundred ninety
Scientific notation
7.1389290 × 10^7
Engineering notation
7.1389290 × 10^6
Prime Factorization
2 × 15 × 7 × 17 × 19997
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71389290
Product of the distinct prime numbers
The prime factorization of 71389290 is 2 × 15 × 7 × 17 × 19997.
Since it has a total of 5 prime factors.
6 , 10 , 49 , 86 , 141 , 752 , 3541 , 9499 , 2947 , 55789 , 652517 , 117463 , 2366848 , 5589615 , 23850352 , 55952880 , 47791254 , 308351163 , 638923193 , 1759735850
n×2
142778580
n×3
214167870
n×4
285557160
n×5
356946450
n÷2
35694645
n÷3
23796430
n÷3
17847322.5
n÷5
14277858
n2
5096430726704100
n3
3.6383057111359E+23
n4
2.5973606152094E+31
n5
1.8542373019376E+39
2 √n
8449.2183070388
3 √n
414.83719360225
4 √n
91.919629606732
5 √n
37.215736023214
1 , 2 , 7 , 14 , 15 , 17 , 30 , 34 , 105 , 119 , 210 , 238 , 255 , 510 , 1785 , 3570 , 19997 , 39994 , 139979 , 279958 , 299955 , 339949 , 599910 , 679898 , 2099685 , 2379643 , 4199370 , 4759286 , 5099235 , 10198470 , 35694645 , 71389290
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71389289
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71389290 can be divided by 32 positive divisors.
The sum of these divisors (counting 71389290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010101000001101010
3
Ternary
11222022221200210
4
Quaternary
10100111001222
5
Quinary
121233424130
6
Senary
11030041550
8
Octal
420250152
10
Decimal
71389290
12
Duodecimal
1baa92b6
16
Hexadecimal
441506a
20
Vigesimal
1263d4a
36
Base36
16i4bu
md5
279817fdd9aca800b190de3f6db248d8
sha1
80cacf2283f3bec527a1a152a185348d8ae9f165
sha256
4c126fc7a2a0bea479ab3e446c19bcf6dc390db8f2bf479b2171a9244222595e
sha512
3349d66b25b5e575d8579f78ab6c5515f5f9edbf6f06a56eedf91598ac95d97d322e39b9e59edd6fbfbe7c870ca6ed9577c443862333f71652716efebbaf2281
ripemd-160
9a28ab874f376e505f3b23f98ae4dac257612050
Diameter
142778580
Circumference
448552138.01798
Area
1.6010909330543E+16
Volume
1.5240099324824E+24
Surface area
6.4043637322172E+16
Circumference
448552138.01798
Perimeter
285557160
Area
5096430726704100
Diagonal
100959702.12619
Surface area
30578584360224600
Volume
3.6383057111359E+23
Space diagonal
123649877.39627
Perimeter
214167870
Area
2.2068192389767E+15
Altitude
61824938.698134
Surface area
2.2068192389767E+15
Volume
4.2877844006232E+22
Height
33653234.042062