72642021 is an odd 8-digits composite number following 72642020
and preceding 72642022 . In scientific notation, it is written as 7.2642021 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 46710000 positive integers (up to 72642021) that are relatively prime to 72642021.
72642021 has 16 divisors, whose sum is 100313088
The reverse of 72642021 is 12024627
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
seventy-two million six hundred forty-two thousand twenty-one
Scientific notation
7.2642021 × 10^7
Engineering notation
7.2642021 × 10^6
Prime Factorization
3 × 31 × 347 × 2251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72642021
Product of the distinct prime numbers
The prime factorization of 72642021 is 3 × 31 × 347 × 2251.
Since it has a total of 4 prime factors.
7 , 7 , 25 , 16 , 916 , 914 , 9314 , 7319 , 77929 , 45290 , 710397 , 728614 , 1614927 , 1825940 , 33934594 , 50400436 , 997100238 , 766472739 , 4467905015 , 6919484660
n×2
145284042
n×3
217926063
n×4
290568084
n×5
363210105
n÷2
36321010.5
n÷3
24214007
n÷3
18160505.25
n÷5
14528404.2
n2
5276863214964441
n3
3.8332200847557E+23
n4
2.7845285389445E+31
n5
2.022737806011E+39
2 √n
8523.0288630275
3 √n
417.24964205265
4 √n
92.320251640837
5 √n
37.345440262514
1 , 3 , 31 , 93 , 347 , 1041 , 2251 , 6753 , 10757 , 32271 , 69781 , 209343 , 781097 , 2343291 , 24214007 , 72642021
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72642020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72642021 can be divided by 16 positive divisors.
The sum of these divisors (counting 72642021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101000110110111100101
3
Ternary
12001200121010020
4
Quaternary
10111012313211
5
Quinary
122044021041
6
Senary
11112545353
8
Octal
425066745
10
Decimal
72642021
12
Duodecimal
203b2259
16
Hexadecimal
4546de5
20
Vigesimal
12e0511
36
Base36
178yxx
md5
45735418d66f4c8ed06f3d3eac0caa7d
sha1
e7b308101d899fe60513e52c13b2505299ea2a37
sha256
5e088e06d3af0083cbc3106595e11aa9bdb52419c42ae3c0039beb9e59b26d93
sha512
a34ada3a4e0fe9e02ce8c6d330ca52f4771f875569d9de120e1c8f1f1724d4623f1a053ba1d9ea9f6e18f22af7fc358e569b9b0adf7e39cadf92d31277d22963
ripemd-160
bbd8809cc7f54f9f2a32022e946939be3da270de
Diameter
145284042
Circumference
456423279.03103
Area
1.6577754710131E+16
Volume
1.6056554743815E+24
Surface area
6.6311018840522E+16
Circumference
456423279.03103
Perimeter
290568084
Area
5276863214964441
Diagonal
102731331.29639
Surface area
31661179289786646
Volume
3.8332200847557E+23
Space diagonal
125819671.13649
Perimeter
217926063
Area
2.2849487982274E+15
Altitude
62909835.568243
Surface area
2.2849487982274E+15
Volume
4.5174931928521E+22
Height
34243777.098797