71389888 is an even 8-digits composite number following 71389887
and preceding 71389889 . In scientific notation, it is written as 7.1389888 × 10^7.
The sum of its digits is 52. It has a total of 7 prime factors and 14 positive divisors.
There are 35694912 positive integers (up to 71389888) that are relatively prime to 71389888.
71389888 has 14 divisors, whose sum is 141664436
The reverse of 71389888 is 88898317
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-one million three hundred eighty-nine thousand eight hundred eighty-eight
Scientific notation
7.1389888 × 10^7
Engineering notation
7.1389888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1115467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
2230934
Product of the distinct prime numbers
The prime factorization of 71389888 is 2 × 2 × 2 × 2 × 2 × 2 × 1115467.
Since it has a total of 7 prime factors.
6 , 10 , 7 , 27 , 585 , 81 , 8261 , 2517 , 49950 , 88381 , 746432 , 526846 , 4866179 , 7680227 , 33213815 , 9926570 , 620149087 , 964961348 , 7857898029 , 9629063948
n×2
142779776
n×3
214169664
n×4
285559552
n×5
356949440
n÷2
35694944
n÷3
23796629.333333
n÷3
17847472
n÷5
14277977.6
n2
5096516108652544
n3
3.638397141869E+23
n4
2.5974476445755E+31
n5
1.8543149643211E+39
2 √n
8449.2536948538
3 √n
414.83835190834
4 √n
91.919822099772
5 √n
37.215798371322
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1115467 , 2230934 , 4461868 , 8923736 , 17847472 , 35694944 , 71389888
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71389887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71389888 can be divided by 14 positive divisors.
The sum of these divisors (counting 71389888) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
100010000010101001011000000
3
Ternary
11222022222111221
4
Quaternary
10100111023000
5
Quinary
121233434023
6
Senary
11030044424
8
Octal
420251300
10
Decimal
71389888
12
Duodecimal
1baa9714
16
Hexadecimal
44152c0
20
Vigesimal
1263ee8
36
Base36
16i4sg
md5
7fa286d7edac0ef00481450fabcfa755
sha1
602fd9de9505c1b80d48af65ab80150bf59e8c58
sha256
e3322d0103d85056eecd59566cc69ccb3b16e2d7285b97e7dec0317d9ed3666e
sha512
421539c30c8d7558b901b6226196620f96aaaccb4f5410843ac35f73ad7f04adbcd8e2a19ab44f36b5a743d8d9d5926c7c7d18e35d6a4d0f760741c9678ed26c
ripemd-160
363a00ea301aadbd971b7f4e3eb51e51d029e7d3
Diameter
142779776
Circumference
448555895.3628
Area
1.6011177565845E+16
Volume
1.5240482308984E+24
Surface area
6.4044710263379E+16
Circumference
448555895.3628
Perimeter
285559552
Area
5096516108652544
Diagonal
100960547.8259
Surface area
30579096651915264
Volume
3.638397141869E+23
Space diagonal
123650913.16265
Perimeter
214169664
Area
2.2068562104449E+15
Altitude
61825456.581326
Surface area
2.2068562104449E+15
Volume
4.2878921527756E+22
Height
33653515.941965