71388139 is an odd 8-digits composite number following 71388138
and preceding 71388140 . In scientific notation, it is written as 7.1388139 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 71290800 positive integers (up to 71388139) that are relatively prime to 71388139.
71388139 has 4 divisors, whose sum is 71485480
The reverse of 71388139 is 93188317
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million three hundred eighty-eight thousand one hundred thirty-nine
Scientific notation
7.1388139 × 10^7
Engineering notation
7.1388139 × 10^6
Prime Factorization
739 × 96601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71388139
Product of the distinct prime numbers
The prime factorization of 71388139 is 739 × 96601.
Since it has a total of 2 prime factors.
6 , 6 , 15 , 69 , 52 , 620 , 3836 , 4341 , 64157 , 64610 , 128723 , 630468 , 8199111 , 65653 , 28371789 , 56069988 , 992301983 , 215192365 , 6558294489 , 9076656160
n×2
142776278
n×3
214164417
n×4
285552556
n×5
356940695
n÷2
35694069.5
n÷3
23796046.333333
n÷3
17847034.75
n÷5
14277627.8
n2
5096266389883321
n3
3.6381297342202E+23
n4
2.5971931116654E+31
n5
1.8540878286541E+39
2 √n
8449.1501939544
3 √n
414.83496413535
4 √n
91.91925910251
5 √n
37.215616017571
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
-71388138
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 71388139 can be divided by 4 positive divisors.
The sum of these divisors (counting 71388139) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100101111101011
3
Ternary
11222022220010011
4
Quaternary
10100110233223
5
Quinary
121233410024
6
Senary
11030032351
8
Octal
420245753
10
Decimal
71388139
12
Duodecimal
1baa86b7
16
Hexadecimal
4414beb
20
Vigesimal
1263a6j
36
Base36
16i3fv
md5
59358cffdb86f7764d7efebb5790be0f
sha1
6777195b03ecdb125d32b31379f16a5b3f8872fe
sha256
95acdb45950a481383620dcf68c920e893768b75fc4e82bddbff3375f6a32d0b
sha512
572d605028f191a3109257580361fe1e6bfdb195b58113570e721cb716ffd7eadfb60cab511b28360e9e025766a1610903f34695240bbfd515ba728d42914062
ripemd-160
406584647750edc204f3f143b3e43f816fcd6a82
Diameter
142776278
Circumference
448544906.07169
Area
1.6010393051194E+16
Volume
1.5239362194444E+24
Surface area
6.4041572204776E+16
Circumference
448544906.07169
Perimeter
285552556
Area
5096266389883321
Diagonal
100958074.36638
Surface area
30577598339299926
Volume
3.6381297342202E+23
Space diagonal
123647883.80579
Perimeter
214164417
Area
2.2067480790459E+15
Altitude
61823941.902895
Surface area
2.2067480790459E+15
Volume
4.2875770098392E+22
Height
33652691.455459