71388940 is an even 8-digits composite number following 71388939
and preceding 71388941 . In scientific notation, it is written as 7.1388940 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 24476160 positive integers (up to 71388940) that are relatively prime to 71388940.
71388940 has 24 divisors, whose sum is 171333792
The reverse of 71388940 is 04988317
Previous prime number is 5
Is Prime? no Number parity even Number length 8 Sum of Digits 40 Digital Root 4
Name
seventy-one million three hundred eighty-eight thousand nine hundred forty
Scientific notation
7.1388940 × 10^7
Engineering notation
7.1388940 × 10^6
Prime Factorization
2 × 2 × 7 × 5 × 509921
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
35694470 Product of the distinct prime numbers
The prime factorization of 71388940 is 2 × 2 × 7 × 5 × 509921.
Since it has a total of 5 prime factors.
4 , 7 , 24 , 57 , 480 , 983 , 4182 , 9361 , 5414 , 29 , 513146 , 91629 , 7047164 , 8414802 , 59324582 , 24118817 , 385707520 , 779926769 , 1394378999 , 6245940794
n×2
142777880
n×3
214166820
n×4
285555760
n×5
356944700
n÷2
35694470
n÷3
23796313.333333
n÷3
17847235
n÷5
14277788
n2
5096380754323600
n3
3.6382521988756E+23
n4
2.597309679304E+31
n5
1.8541918485725E+39
2 √n8449.1975950382
3 √n414.8365156609
4 √n91.919516943021
5 √n37.215699531653
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 509921 , 1019842 , 2039684 , 2549605 , 3569447 , 5099210 , 7138894 , 10198420 , 14277788 , 17847235 , 35694470 , 71388940
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
-71388939 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 71388940 can be divided by 24 positive divisors.
The sum of these divisors (counting 71388940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010000010100111100001100
3
Ternary
11222022221012211
4
Quaternary
10100110330030
5
Quinary
121233421230
6
Senary
11030040204
8
Octal
420247414
10
Decimal
71388940
12
Duodecimal
1baa9064
16
Hexadecimal
4414f0c
20
Vigesimal
1263c70
36
Base36
16i424
md5
ec1c9ee9d6f933f85f5b74cd2340e77f
sha1
8e7fd25f9ad99761bf79bfa2cea7465eabf391a2
sha256
e146af3d4ba2249a90520eb1f4dbd279010a8f47c82f5dfcad27133335b2a44d
sha512
c9b2b0893fdbba262a175c9b2bd76d907b392aca89a3ed2ac302c3205da64a1906d504143c6395245a51d9bd3f7e186d7d42c0c8001f31b9452b98a9e6bef6d0
ripemd-160
aca8ed12bc3fa04d677a66d6e6a228d8df263fc6
Diameter
142777880
Circumference
448549938.90313
Area
1.6010752337679E+16
Volume
1.5239875173193E+24
Surface area
6.4043009350718E+16
Circumference
448549938.90313
Perimeter
285555760
Area
5096380754323600
Diagonal
100959207.15144
Surface area
30578284525941600
Volume
3.6382521988756E+23
Space diagonal
123649271.17849
Perimeter
214166820
Area
2.2067976003012E+15
Altitude
61824635.589243
Surface area
2.2067976003012E+15
Volume
4.2877213358197E+22
Height
33653069.05048