71389889 is an odd 8-digits composite number following 71389888
and preceding 71389890 . In scientific notation, it is written as 7.1389889 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 71273940 positive integers (up to 71389889) that are relatively prime to 71389889.
71389889 has 4 divisors, whose sum is 71505840
The reverse of 71389889 is 98898317
Previous prime number is 619
Is Prime? no Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
seventy-one million three hundred eighty-nine thousand eight hundred eighty-nine
Scientific notation
7.1389889 × 10^7
Engineering notation
7.1389889 × 10^6
Prime Factorization
619 × 115331
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
71389889 Product of the distinct prime numbers
The prime factorization of 71389889 is 619 × 115331.
Since it has a total of 2 prime factors.
3 , 3 , 74 , 80 , 253 , 984 , 7498 , 397 , 56164 , 12987 , 940507 , 267039 , 9866782 , 8448938 , 4811741 , 58615215 , 218971016 , 739455211 , 6375140456 , 5528916577
n×2
142779778
n×3
214169667
n×4
285559556
n×5
356949445
n÷2
35694944.5
n÷3
23796629.666667
n÷3
17847472.25
n÷5
14277977.8
n2
5096516251432321
n3
3.6383972947645E+23
n4
2.5974477901114E+31
n5
1.8543150941935E+39
2 √n8449.2537540306
3 √n414.8383538453
4 √n91.919822421666
5 √n37.215798475582
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
-71389888 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 71389889 can be divided by 4 positive divisors.
The sum of these divisors (counting 71389889) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010101001011000001
3
Ternary
11222022222111222
4
Quaternary
10100111023001
5
Quinary
121233434024
6
Senary
11030044425
8
Octal
420251301
10
Decimal
71389889
12
Duodecimal
1baa9715
16
Hexadecimal
44152c1
20
Vigesimal
1263ee9
36
Base36
16i4sh
md5
7c0d042f2c69b3193b7e5a2f039ad9ed
sha1
380f3c089937da735761e900cf0dd0067dcddf41
sha256
67bacbc9e52aba396c61faa4b89f64bfb0658b2789abdac97adb379cff0d1f10
sha512
fde7291cfc593cc11675f71e14361f20eed289fb5fc1542295b01e1fd162fa1c918e716070d158e6940c7e40655991a1b2dd71ceb0e30dfe061f9ce2c1f52131
ripemd-160
ccc5ee84a754292cb0d5cddf3b6c3a6ff8d0f68b
Diameter
142779778
Circumference
448555901.64598
Area
1.6011178014401E+16
Volume
1.5240482949431E+24
Surface area
6.4044712057603E+16
Circumference
448555901.64598
Perimeter
285559556
Area
5096516251432321
Diagonal
100960549.24011
Surface area
30579097508593926
Volume
3.6383972947645E+23
Space diagonal
123650914.8947
Perimeter
214169667
Area
2.2068562722703E+15
Altitude
61825457.447351
Surface area
2.2068562722703E+15
Volume
4.2878923329646E+22
Height
33653516.41337