71399581 is an odd 8-digits composite number following 71399580
and preceding 71399582 . In scientific notation, it is written as 7.1399581 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 64908700 positive integers (up to 71399581) that are relatively prime to 71399581.
71399581 has 4 divisors, whose sum is 77890464
The reverse of 71399581 is 18599317
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred ninety-nine thousand five hundred eighty-one
Scientific notation
7.1399581 × 10^7
Engineering notation
7.1399581 × 10^6
Prime Factorization
11 × 6490871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71399581
Product of the distinct prime numbers
The prime factorization of 71399581 is 11 × 6490871.
Since it has a total of 2 prime factors.
9 , 4 , 26 , 32 , 918 , 526 , 5497 , 2380 , 8964 , 45577 , 860572 , 661172 , 3529592 , 5305781 , 33857893 , 52449340 , 504931012 , 74697147 , 456909656 , 505800803
n×2
142799162
n×3
214198743
n×4
285598324
n×5
356997905
n÷2
35699790.5
n÷3
23799860.333333
n÷3
17849895.25
n÷5
14279916.2
n2
5097900166975561
n3
3.6398793590189E+23
n4
2.5988586112449E+31
n5
1.8555741592113E+39
2 √n
8449.8272763412
3 √n
414.85712602461
4 √n
91.922942056601
5 √n
37.216808915402
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
-71399580
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 71399581 can be divided by 4 positive divisors.
The sum of these divisors (counting 71399581) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010111100010011101
3
Ternary
11222100110210221
4
Quaternary
10100113202131
5
Quinary
121234241311
6
Senary
11030201341
8
Octal
420274235
10
Decimal
71399581
12
Duodecimal
1bab3251
16
Hexadecimal
441789d
20
Vigesimal
1264ij1
36
Base36
16ic9p
md5
fb09b4bd490de3f96d0885b1f03cfceb
sha1
8c80b52fcc35a0dc0136631d03492b858fb66a58
sha256
b5ebfd6741fef3f944fd7865d8d586cd14258145069fd8a4cb14db29c5d9cd2b
sha512
f7bb2b092980cbd96b39b91cea7b5cd20ffadb00b80bbc88b8100a3dca2d6d743ca3214a8f15daafb5947d13c97cc90aaa60cbe6b4b04e12f0ec651587f80c05
ripemd-160
26258aa7f9d76b6eee836334596dc0185f8e7e32
Diameter
142799162
Circumference
448616798.27798
Area
1.6015525713305E+16
Volume
1.5246691005662E+24
Surface area
6.4062102853218E+16
Circumference
448616798.27798
Perimeter
285598324
Area
5097900166975561
Diagonal
100974255.79796
Surface area
30587401001853366
Volume
3.6398793590189E+23
Space diagonal
123667701.93113
Perimeter
214198743
Area
2.2074555252789E+15
Altitude
61833850.965565
Surface area
2.2074555252789E+15
Volume
4.2896389624386E+22
Height
33658085.265985