81437701 is an odd 8-digits composite number following 81437700
and preceding 81437702 . In scientific notation, it is written as 8.1437701 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 76247040 positive integers (up to 81437701) that are relatively prime to 81437701.
81437701 has 8 divisors, whose sum is 86678424
The reverse of 81437701 is 10773418
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million four hundred thirty-seven thousand seven hundred one
Scientific notation
8.1437701 × 10^7
Engineering notation
8.1437701 × 10^6
Prime Factorization
17 × 193 × 24821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81437701
Product of the distinct prime numbers
The prime factorization of 81437701 is 17 × 193 × 24821.
Since it has a total of 3 prime factors.
3 , 2 , 15 , 5 , 192 , 47 , 136 , 6215 , 55475 , 71270 , 300736 , 898632 , 2835844 , 6911963 , 66092722 , 11162248 , 153608413 , 251114363 , 7671910702 , 3701661767
n×2
162875402
n×3
244313103
n×4
325750804
n×5
407188505
n÷2
40718850.5
n÷3
27145900.333333
n÷3
20359425.25
n÷5
16287540.2
n2
6632099144165401
n3
5.401029071049E+23
n4
4.3984739058039E+31
n5
3.5820160279716E+39
2 √n
9024.2839605145
3 √n
433.45282220976
4 √n
94.996231296376
5 √n
38.208949802668
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81437700
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81437701 can be divided by 8 positive divisors.
The sum of these divisors (counting 81437701) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110101010010000000101
3
Ternary
12200020110112011
4
Quaternary
10312222100011
5
Quinary
131322001301
6
Senary
12025254221
8
Octal
466522005
10
Decimal
81437701
12
Duodecimal
23334371
16
Hexadecimal
4daa405
20
Vigesimal
158je51
36
Base36
1chhqd
md5
74a722047984d505cf6dd981573506a4
sha1
e798fff2e2050138f772199acaf4fa15d71f85ae
sha256
eae93e4c443e8c347f14aa99caf8fe67d2147996ee031e194a305ef3c2f06296
sha512
f82d800a6dd99bb123423ffb0e74e3fb444ce8792453e34af7ac8f76cf033cd90fd95c5bf63ad57c335f34c4c656552b66603990ca7c42962fe6ed79bdcd2424
ripemd-160
c6ebfc83ed7ef9fcc50461b8462843e644424a11
Diameter
162875402
Circumference
511688166.37368
Area
2.0835353949189E+16
Volume
2.2623777668576E+24
Surface area
8.3341415796757E+16
Circumference
511688166.37368
Perimeter
325750804
Area
6632099144165401
Diagonal
115170301.24268
Surface area
39792594864992406
Volume
5.401029071049E+23
Space diagonal
141054235.7836
Perimeter
244313103
Area
2.8717831696321E+15
Altitude
70527117.891801
Surface area
2.8717831696321E+15
Volume
6.3651738025407E+22
Height
38390100.414228