72492021 is an odd 8-digits composite number following 72492020
and preceding 72492022 . In scientific notation, it is written as 7.2492021 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 39584160 positive integers (up to 72492021) that are relatively prime to 72492021.
72492021 has 32 divisors, whose sum is 98112000
The reverse of 72492021 is 12029427
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-two million four hundred ninety-two thousand twenty-one
Scientific notation
7.2492021 × 10^7
Engineering notation
7.2492021 × 10^6
Prime Factorization
9 × 7 × 7 × 23 × 7 × 1021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1479429
Product of the distinct prime numbers
The prime factorization of 72492021 is 9 × 7 × 7 × 23 × 7 × 1021.
Since it has a total of 6 prime factors.
10 , 5 , 43 , 22 , 226 , 993 , 384 , 6677 , 43767 , 47567 , 669907 , 699690 , 4676579 , 3486186 , 59148491 , 92431001 , 285093404 , 853972552 , 731464330 , 8216855862
n×2
144984042
n×3
217476063
n×4
289968084
n×5
362460105
n÷2
36246010.5
n÷3
24164007
n÷3
18123005.25
n÷5
14498404.2
n2
5255093108664441
n3
3.8095231999026E+23
n4
2.7616003580733E+31
n5
2.0019399115105E+39
2 √n
8514.2246270579
3 √n
416.9622483637
4 √n
92.272556196618
5 √n
37.330004434532
1 , 7 , 9 , 23 , 49 , 63 , 161 , 207 , 343 , 441 , 1021 , 1127 , 1449 , 3087 , 7147 , 7889 , 9189 , 10143 , 23483 , 50029 , 64323 , 71001 , 164381 , 211347 , 350203 , 450261 , 1150667 , 1479429 , 3151827 , 8054669 , 10356003 , 72492021
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
-72492020
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 72492021 can be divided by 32 positive divisors.
The sum of these divisors (counting 72492021) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010100100010001111110101
3
Ternary
12001101222100200
4
Quaternary
10110202033311
5
Quinary
122024221041
6
Senary
11105431113
8
Octal
424421765
10
Decimal
72492021
12
Duodecimal
2033b499
16
Hexadecimal
45223f5
20
Vigesimal
12d1a11
36
Base36
175r79
md5
026caff01807057304366564c24ca3d6
sha1
21958fbf1490819c5016d9d951fcf3420d324692
sha256
f0dabf9b0f44d0ce4b39e4a190c9212d742e3cb26b700908e0c9c40388225905
sha512
6aa8bcb0cf3655f90321c76ea1966f63770b51b580537c3e195c158eb41b8b696c76916fc9f04f5f784c3c5377f4e31e27722ba58804ed88baf32664bdfdbf9b
ripemd-160
c5ad765e4c79146a2f762bcdb2011ae567909825
Diameter
144984042
Circumference
455480801.23495
Area
1.6509361904111E+16
Volume
1.5957293464658E+24
Surface area
6.6037447616442E+16
Circumference
455480801.23495
Perimeter
289968084
Area
5255093108664441
Diagonal
102519199.26204
Surface area
31530558651986646
Volume
3.8095231999026E+23
Space diagonal
125559863.51535
Perimeter
217476063
Area
2.275522065678E+15
Altitude
62779931.757675
Surface area
2.275522065678E+15
Volume
4.489566146231E+22
Height
34173066.420678