81001446 is an even 8-digits composite number following 81001445
and preceding 81001447 . In scientific notation, it is written as 8.1001446 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 24466464 positive integers (up to 81001446) that are relatively prime to 81001446.
81001446 has 32 divisors, whose sum is 177949440
The reverse of 81001446 is 64410018
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one thousand four hundred forty-six
Scientific notation
8.1001446 × 10^7
Engineering notation
8.1001446 × 10^6
Prime Factorization
2 × 3 × 19 × 23 × 30893
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81001446
Product of the distinct prime numbers
The prime factorization of 81001446 is 2 × 3 × 19 × 23 × 30893.
Since it has a total of 5 prime factors.
5 , 8 , 31 , 28 , 69 , 323 , 4233 , 3891 , 83502 , 35148 , 664213 , 928029 , 9350914 , 9061373 , 18717430 , 90123694 , 703609073 , 382872672 , 4529302695 , 2417998946
n×2
162002892
n×3
243004338
n×4
324005784
n×5
405007230
n÷2
40500723
n÷3
27000482
n÷3
20250361.5
n÷5
16200289.2
n2
6561234254090916
n3
5.314694621261E+23
n4
4.3049794937056E+31
n5
3.487095639905E+39
2 √n
9000.0803329748
3 √n
432.67744575947
4 √n
94.868753196059
5 √n
38.167925368352
1 , 2 , 3 , 6 , 19 , 23 , 38 , 46 , 57 , 69 , 114 , 138 , 437 , 874 , 1311 , 2622 , 30893 , 61786 , 92679 , 185358 , 586967 , 710539 , 1173934 , 1421078 , 1760901 , 2131617 , 3521802 , 4263234 , 13500241 , 27000482 , 40500723 , 81001446
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81001445
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81001446 can be divided by 32 positive divisors.
The sum of these divisors (counting 81001446) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110100111111101111100110
3
Ternary
12122102022002120
4
Quaternary
10310333233212
5
Quinary
131214021241
6
Senary
12012050410
8
Octal
464775746
10
Decimal
81001446
12
Duodecimal
23163a06
16
Hexadecimal
4d3fbe6
20
Vigesimal
15653c6
36
Base36
1c8546
md5
f00e00c461b84927be90520f8a27aba1
sha1
2c50cd49c64bcfddaeb756b52a7523cd28a242b2
sha256
7750007289f7edf23d1b49d9a84598ef68e2f72fe4640fb061f257dc610ec474
sha512
a665ef8aa70d869262402c5975639519c314c8b4b31f6fcfe9cc5bfebfbfab9075b072b904f29abe6a96574f3f847d844a0a49640a66a61f0557ee6afd7543af
ripemd-160
82f46d219d3e6d381f69e124ff7fb7b07a2292cb
Diameter
162002892
Circumference
508947095.3675
Area
2.0612725331134E+16
Volume
2.2262140770969E+24
Surface area
8.2450901324535E+16
Circumference
508947095.3675
Perimeter
324005784
Area
6561234254090916
Diagonal
114553343.50503
Surface area
39367405524545496
Volume
5.314694621261E+23
Space diagonal
140298619.95855
Perimeter
243004338
Area
2.8410977721117E+15
Altitude
70149309.979273
Surface area
2.8410977721117E+15
Volume
6.2634276777155E+22
Height
38184447.835011