71387140 is an even 8-digits composite number following 71387139
and preceding 71387141 . In scientific notation, it is written as 7.1387140 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 25750400 positive integers (up to 71387140) that are relatively prime to 71387140.
71387140 has 24 divisors, whose sum is 128221632
The reverse of 71387140 is 04178317
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million three hundred eighty-seven thousand one hundred forty
Scientific notation
7.1387140 × 10^7
Engineering notation
7.1387140 × 10^6
Prime Factorization
2 × 2 × 55 × 131 × 2477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
35693570
Product of the distinct prime numbers
The prime factorization of 71387140 is 2 × 2 × 55 × 131 × 2477.
Since it has a total of 5 prime factors.
1 , 8 , 27 , 81 , 949 , 203 , 6114 , 4759 , 87759 , 91350 , 631850 , 170384 , 2005002 , 4066065 , 66446628 , 20094942 , 101046563 , 428889627 , 1644740797 , 8732884061
n×2
142774280
n×3
214161420
n×4
285548560
n×5
356935700
n÷2
35693570
n÷3
23795713.333333
n÷3
17846785
n÷5
14277428
n2
5096123757379600
n3
3.6379770012538E+23
n4
2.5970477350529E+31
n5
1.853958102489E+39
2 √n
8449.0910753761
3 √n
414.83302907038
4 √n
91.918937523103
5 √n
37.215511858507
1 , 2 , 4 , 55 , 110 , 131 , 220 , 262 , 524 , 2477 , 4954 , 7205 , 9908 , 14410 , 28820 , 136235 , 272470 , 324487 , 544940 , 648974 , 1297948 , 17846785 , 35693570 , 71387140
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
-71387139
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 71387140 can be divided by 24 positive divisors.
The sum of these divisors (counting 71387140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010000010100100000000100
3
Ternary
11222022211202011
4
Quaternary
10100110200010
5
Quinary
121233342030
6
Senary
11030024004
8
Octal
420244004
10
Decimal
71387140
12
Duodecimal
1baa8004
16
Hexadecimal
4414804
20
Vigesimal
12637h0
36
Base36
16i2o4
md5
df450887021a2a84e857637e733edc27
sha1
ca1877cf45c8f51e12bfff1640c733214bec66b2
sha256
8dfa25fbafbb2849173182a9aee00b5f37b30d8c21d1face073321de8fe3480c
sha512
e8632602b8a545553b032cb44cacae37c9fd4465494ce2efbe533dc54be90e07d61d7d50d6ecd3eca0a7ca93cc41c5863288591b67799a00c627282feb373308
ripemd-160
e3717c270c4b429bc32b1831e1402d59dc8b5b75
Diameter
142774280
Circumference
448538629.16957
Area
1.6009944957968E+16
Volume
1.523872242809E+24
Surface area
6.4039779831873E+16
Circumference
448538629.16957
Perimeter
285548560
Area
5096123757379600
Diagonal
100956661.56703
Surface area
30576742544277600
Volume
3.6379770012538E+23
Space diagonal
123646153.48703
Perimeter
214161420
Area
2.2066863173601E+15
Altitude
61823076.743516
Surface area
2.2066863173601E+15
Volume
4.2873970123121E+22
Height
33652220.522342