71388140 is an even 8-digits composite number following 71388139
and preceding 71388141 . In scientific notation, it is written as 7.1388140 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 27570368 positive integers (up to 71388140) that are relatively prime to 71388140.
71388140 has 24 divisors, whose sum is 155085840
The reverse of 71388140 is 04188317
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million three hundred eighty-eight thousand one hundred forty
Scientific notation
7.1388140 × 10^7
Engineering notation
7.1388140 × 10^6
Prime Factorization
2 × 2 × 5 × 29 × 123083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
35694070
Product of the distinct prime numbers
The prime factorization of 71388140 is 2 × 2 × 5 × 29 × 123083.
Since it has a total of 5 prime factors.
2 , 6 , 16 , 95 , 378 , 895 , 8216 , 3059 , 55069 , 84908 , 910435 , 482796 , 296429 , 6925991 , 6664896 , 96180627 , 60254670 , 667501715 , 4070651426 , 3663189381
n×2
142776280
n×3
214164420
n×4
285552560
n×5
356940700
n÷2
35694070
n÷3
23796046.666667
n÷3
17847035
n÷5
14277628
n2
5096266532659600
n3
3.6381298871082E+23
n4
2.5971932571906E+31
n5
1.8540879585138E+39
2 √n
8449.150253132
3 √n
414.83496607235
4 √n
91.91925942441
5 √n
37.215616121833
1 , 2 , 4 , 5 , 10 , 20 , 29 , 58 , 116 , 145 , 290 , 580 , 123083 , 246166 , 492332 , 615415 , 1230830 , 2461660 , 3569407 , 7138814 , 14277628 , 17847035 , 35694070 , 71388140
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388140 can be divided by 24 positive divisors.
The sum of these divisors (counting 71388140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010000010100101111101100
3
Ternary
11222022220010012
4
Quaternary
10100110233230
5
Quinary
121233410030
6
Senary
11030032352
8
Octal
420245754
10
Decimal
71388140
12
Duodecimal
1baa86b8
16
Hexadecimal
4414bec
20
Vigesimal
1263a70
36
Base36
16i3fw
md5
47fe52445ddd378df4451f8ab338a6aa
sha1
6c29f46208ffa79f6a00ec86b71d1d0fdbb7c714
sha256
769b4fce6ae685836d641447c2964d96dccf3e16e325ba30ddc083171147d51c
sha512
27c533d0001a37a4fa980ff41cd71580f5f796654bed778cf84e377355e9ff4ccb65c13c8987aafca832d47ab726c698c324fd71309bb7f31a0bd062dd63d752
ripemd-160
2040a4914e631d30f6b37288d9f6b6ce87709635
Diameter
142776280
Circumference
448544912.35488
Area
1.6010393499739E+16
Volume
1.5239362834859E+24
Surface area
6.4041573998956E+16
Circumference
448544912.35488
Perimeter
285552560
Area
5096266532659600
Diagonal
100958075.78059
Surface area
30577599195957600
Volume
3.6381298871082E+23
Space diagonal
123647885.53784
Perimeter
214164420
Area
2.2067481408698E+15
Altitude
61823942.76892
Surface area
2.2067481408698E+15
Volume
4.2875771900194E+22
Height
33652691.926863