71291980 is an even 8-digits composite number following 71291979
and preceding 71291981 . In scientific notation, it is written as 7.1291980 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 28486080 positive integers (up to 71291980) that are relatively prime to 71291980.
71291980 has 24 divisors, whose sum is 149874480
The reverse of 71291980 is 08919217
Previous prime number is 1571
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-one million two hundred ninety-one thousand nine hundred eighty
Scientific notation
7.1291980 × 10^7
Engineering notation
7.1291980 × 10^6
Prime Factorization
2 × 2 × 5 × 1571 × 2269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
35645990
Product of the distinct prime numbers
The prime factorization of 71291980 is 2 × 2 × 5 × 1571 × 2269.
Since it has a total of 5 prime factors.
7 , 4 , 74 , 93 , 660 , 127 , 2720 , 8333 , 18180 , 29044 , 513642 , 31637 , 7890587 , 4929018 , 59008795 , 21945703 , 936391512 , 382143701 , 6740097941 , 4124801798
n×2
142583960
n×3
213875940
n×4
285167920
n×5
356459900
n÷2
35645990
n÷3
23763993.333333
n÷3
17822995
n÷5
14258396
n2
5082546412320400
n3
3.6234479717622E+23
n4
2.5832278033391E+31
n5
1.8416342489109E+39
2 √n
8443.4578224801
3 √n
414.6486211387
4 √n
91.888289909433
5 √n
37.205584810223
1 , 2 , 4 , 5 , 10 , 20 , 1571 , 2269 , 3142 , 4538 , 6284 , 7855 , 9076 , 11345 , 15710 , 22690 , 31420 , 45380 , 3564599 , 7129198 , 14258396 , 17822995 , 35645990 , 71291980
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
-71291979
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 71291980 can be divided by 24 positive divisors.
The sum of these divisors (counting 71291980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100001111111101010001001100
3
Ternary
11222011000012201
4
Quaternary
10033331101030
5
Quinary
121222320410
6
Senary
11024011244
8
Octal
417752114
10
Decimal
71291980
12
Duodecimal
1ba60b24
16
Hexadecimal
43fd44c
20
Vigesimal
125b9j0
36
Base36
16g18s
md5
319fae919d18473f1768ae537c031198
sha1
0366170741a59314334dba5cba535691013011b0
sha256
8f442399579d700f9a39fef6fc1ac7c1d93d079fecdb517c2355cfd5ce99f09a
sha512
10a9019dd2c68b4b0c12ffb81c9416f96c24515d1aff920d53b9c42e51dd11fae3ca3e77537e465aa9c4f132acbd4bd6d8b604c752d6e30a75663717ee4b77c6
ripemd-160
2a9894595e29f1d6dc68de7416ff723366cbf758
Diameter
142583960
Circumference
447940721.25574
Area
1.5967290470475E+16
Volume
1.5177863371671E+24
Surface area
6.38691618819E+16
Circumference
447940721.25574
Perimeter
285167920
Area
5082546412320400
Diagonal
100822085.00443
Surface area
30495278473922400
Volume
3.6234479717622E+23
Space diagonal
123481331.53218
Perimeter
213875940
Area
2.2008071544915E+15
Altitude
61740665.766092
Surface area
2.2008071544915E+15
Volume
4.2702743868495E+22
Height
33607361.668144