71365991 is an odd 8-digits composite number following 71365990
and preceding 71365992 . In scientific notation, it is written as 7.1365991 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 71332800 positive integers (up to 71365991) that are relatively prime to 71365991.
71365991 has 4 divisors, whose sum is 71399184
The reverse of 71365991 is 19956317
Previous prime number is 2311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-one million three hundred sixty-five thousand nine hundred ninety-one
Scientific notation
7.1365991 × 10^7
Engineering notation
7.1365991 × 10^6
Prime Factorization
2311 × 30881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71365991
Product of the distinct prime numbers
The prime factorization of 71365991 is 2311 × 30881.
Since it has a total of 2 prime factors.
9 , 6 , 62 , 2 , 891 , 143 , 5651 , 8424 , 26408 , 30052 , 663665 , 526507 , 4451673 , 8765942 , 53364335 , 69386013 , 382000727 , 326271986 , 4991665475 , 596795227
n×2
142731982
n×3
214097973
n×4
285463964
n×5
356829955
n÷2
35682995.5
n÷3
23788663.666667
n÷3
17841497.75
n÷5
14273198.2
n2
5093104671412081
n3
3.6347446214205E+23
n4
2.593971519396E+31
n5
1.8512134810747E+39
2 √n
8447.8394279248
3 √n
414.79205917832
4 √n
91.912128840131
5 √n
37.21330651971
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
-71365990
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 71365991 can be divided by 4 positive divisors.
The sum of these divisors (counting 71365991) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000001111010101100111
3
Ternary
11222021202201212
4
Quaternary
10100033111213
5
Quinary
121232202431
6
Senary
11025342035
8
Octal
420172547
10
Decimal
71365991
12
Duodecimal
1ba9791b
16
Hexadecimal
440f567
20
Vigesimal
1260ejb
36
Base36
16hmcn
md5
51dc61a5e1405f14e731195abf85c159
sha1
f62208956dc8f6fab135aa658f7005447de4e864
sha256
5feb394d82d358188b79522ee1ca97d804d9335e3e6b6c9c2a45c9de14ab524a
sha512
c829e1815797b6607446b7f45bf54d19e6909ec67a4b0754ab4e17b3610b317285e75abd5d30dffb3282e02d2ebad95b6cde62310f54ec3b3fbef2b89e6455a9
ripemd-160
ac703aebb493808d1be5e3cf1630d3b4c67160a3
Diameter
142731982
Circumference
448405746.08351
Area
1.6000460219672E+16
Volume
1.5225182667106E+24
Surface area
6.4001840878688E+16
Circumference
448405746.08351
Perimeter
285463964
Area
5093104671412081
Diagonal
100926752.3644
Surface area
30558628028472486
Volume
3.6347446214205E+23
Space diagonal
123609522.3445
Perimeter
214097973
Area
2.205379014788E+15
Altitude
61804761.172252
Surface area
2.205379014788E+15
Volume
4.2835876161463E+22
Height
33642250.788132