71781007 is an odd 8-digits prime number following 71781006
and preceding 71781008 . In scientific notation, it is written as 7.1781007 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 71781006 positive integers (up to 71781007) that are relatively prime to 71781007.
71781007 has 2 divisors, whose sum is 71781008
The reverse of 71781007 is 70018717
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million seven hundred eighty-one thousand seven
Scientific notation
7.1781007 × 10^7
Engineering notation
7.1781007 × 10^6
Prime Factorization
71781007
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71781007
Product of the distinct prime numbers
The prime factorization of 71781007 is 71781007.
Since it has a total of 1 prime factors.
4 , 6 , 40 , 34 , 216 , 5 , 3287 , 2650 , 14284 , 63183 , 803781 , 904984 , 3118121 , 6270036 , 46964037 , 43778718 , 288788002 , 452438222 , 3593291627 , 2923137803
n×2
143562014
n×3
215343021
n×4
287124028
n×5
358905035
n÷2
35890503.5
n÷3
23927002.333333
n÷3
17945251.75
n÷5
14356201.4
n2
5152512965934049
n3
3.698525692753E+23
n4
2.6548389864118E+31
n5
1.905670158675E+39
2 √n
8472.3672606893
3 √n
415.59455496742
4 √n
92.045463009805
5 √n
37.256487640734
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71781008
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35890504
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8472.3673197047
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999721375
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71781007 can be divided by 2 positive divisors.
The sum of these divisors (counting 71781007) is 71781008, the average is 35890504.
Base
System
Value
2
Binary
100010001110100101010001111
3
Ternary
12000001212000211
4
Quaternary
10101310222033
5
Quinary
121333443012
6
Senary
11042303251
8
Octal
421645217
10
Decimal
71781007
12
Duodecimal
20057b27
16
Hexadecimal
4474a8f
20
Vigesimal
128cca7
36
Base36
16qikv
md5
90c3d0a72cc22ae9f7c9bd7639b4a3ed
sha1
4d92b7c1bbf0b27b632698b5e128e533d7bc1d0f
sha256
6a2cd311bf293ff5bdaf53f7b057f21d62836e56e714371b6171a07dc41d957a
sha512
4b06078b3b91156e5310313d9ad3ba91950aaf987d21aac9820a53a7f10b3f7aa6a94afbe8af22a3f3d288afdcb3cdcd1937a2f9a8a28e6cc196504cde3901d2
ripemd-160
93c3df69b7a7e4237603a118c210973f1f39751f
Diameter
143562014
Circumference
451013368.51696
Area
1.6187096881305E+16
Volume
1.5492348193955E+24
Surface area
6.4748387525218E+16
Circumference
451013368.51696
Perimeter
287124028
Area
5152512965934049
Diagonal
101513673.6202
Surface area
30915077795604294
Volume
3.698525692753E+23
Space diagonal
124328351.14246
Perimeter
215343021
Area
2.2311035609138E+15
Altitude
62164175.571229
Surface area
2.2311035609138E+15
Volume
4.3587543295639E+22
Height
33837891.206733