72021851 is an odd 8-digits composite number following 72021850
and preceding 72021852 . In scientific notation, it is written as 7.2021851 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 63629280 positive integers (up to 72021851) that are relatively prime to 72021851.
72021851 has 16 divisors, whose sum is 80816640
The reverse of 72021851 is 15812027
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-two million twenty-one thousand eight hundred fifty-one
Scientific notation
7.2021851 × 10^7
Engineering notation
7.2021851 × 10^6
Prime Factorization
11 × 67 × 79 × 1237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72021851
Product of the distinct prime numbers
The prime factorization of 72021851 is 11 × 67 × 79 × 1237.
Since it has a total of 4 prime factors.
6 , 7 , 68 , 75 , 864 , 163 , 3121 , 6261 , 1978 , 73846 , 375135 , 358863 , 502802 , 2475670 , 36043552 , 81602410 , 498386080 , 358621114 , 7779959403 , 7954458812
n×2
144043702
n×3
216065553
n×4
288087404
n×5
360109255
n÷2
36010925.5
n÷3
24007283.666667
n÷3
18005462.75
n÷5
14404370.2
n2
5187147021466201
n3
3.7358792989513E+23
n4
2.6906494222306E+31
n5
1.9378555178113E+39
2 √n
8486.5688590855
3 √n
416.05884545703
4 √n
92.122575187006
5 √n
37.281455200725
1 , 11 , 67 , 79 , 737 , 869 , 1237 , 5293 , 13607 , 58223 , 82879 , 97723 , 911669 , 1074953 , 6547441 , 72021851
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
-72021850
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 72021851 can be divided by 16 positive divisors.
The sum of these divisors (counting 72021851) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010010101111011101011011
3
Ternary
12000112002101222
4
Quaternary
10102233131123
5
Quinary
121414144401
6
Senary
11051402255
8
Octal
422573533
10
Decimal
72021851
12
Duodecimal
2015338b
16
Hexadecimal
44af75b
20
Vigesimal
12a2ecb
36
Base36
16voez
md5
4bb5c13ebcdfb67140e90e27378c949f
sha1
73a8347f91816a192d88da71ae2886c65db9ae38
sha256
7a7b49bfc2d5f5c0ce0fe389a88c28a1a0ecf65cb69b1afdb4a45414719081af
sha512
2dc61b97dc9cc7cef622c86206de6e2e024972cea9004541ac319302a0854e1dd8ccfd6a6665a9cb45e52e26342c1c4ccdbb867db9bc5c9eab3018e1ddfab233
ripemd-160
a03bf0a598b35e6a785d761116391e619bbd9e2d
Diameter
144043702
Circumference
452526635.99908
Area
1.6295902975728E+16
Volume
1.5648814613712E+24
Surface area
6.5183611902914E+16
Circumference
452526635.99908
Perimeter
288087404
Area
5187147021466201
Diagonal
101854278.47141
Surface area
31122882128797206
Volume
3.7358792989513E+23
Space diagonal
124745505.18716
Perimeter
216065553
Area
2.2461005468773E+15
Altitude
62372752.593578
Surface area
2.2461005468773E+15
Volume
4.4027759766382E+22
Height
33951426.157138