72020909 is an odd 8-digits composite number following 72020908
and preceding 72020910 . In scientific notation, it is written as 7.2020909 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 70712320 positive integers (up to 72020909) that are relatively prime to 72020909.
72020909 has 8 divisors, whose sum is 73338048
The reverse of 72020909 is 90902027
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-two million twenty thousand nine hundred nine
Scientific notation
7.2020909 × 10^7
Engineering notation
7.2020909 × 10^6
Prime Factorization
257 × 71 × 3947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72020909
Product of the distinct prime numbers
The prime factorization of 72020909 is 257 × 71 × 3947.
Since it has a total of 3 prime factors.
4 , 7 , 81 , 69 , 137 , 357 , 4370 , 5367 , 53495 , 96854 , 6837 , 971622 , 9921426 , 7712169 , 85827830 , 94402831 , 583503444 , 823573288 , 9388136972 , 3427658772
n×2
144041818
n×3
216062727
n×4
288083636
n×5
360104545
n÷2
36010454.5
n÷3
24006969.666667
n÷3
18005227.25
n÷5
14404181.8
n2
5187011333186281
n3
3.7357327120938E+23
n4
2.6905086570603E+31
n5
1.9377287915385E+39
2 √n
8486.5133594427
3 √n
416.05703152077
4 √n
92.122273959357
5 √n
37.28135767667
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
-72020908
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 72020909 can be divided by 8 positive divisors.
The sum of these divisors (counting 72020909) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010101111001110101101
3
Ternary
12000112001010002
4
Quaternary
10102233032231
5
Quinary
121414132114
6
Senary
11051354045
8
Octal
422571655
10
Decimal
72020909
12
Duodecimal
20152925
16
Hexadecimal
44af3ad
20
Vigesimal
12a2c59
36
Base36
16vnot
md5
b1f561786a370d9e15853a7e256e4c92
sha1
6003813617543bf89775eeea90efd3af59779cf7
sha256
1e145b32f90bf4524f043c75d9553a4238b06a0f079863d5903262dc440ce74a
sha512
eb6125ee507f62e7b4f0991628d992c751a2dfc400f23c38ee03625c2122cc09c9083e8b5c9d0810460fb2f0fa6a033c5716c167c87227a9430c68779ef7edfc
ripemd-160
938c0201fece139707e3add3f1d49db027115087
Diameter
144041818
Circumference
452520717.23852
Area
1.6295476698425E+16
Volume
1.5648200592119E+24
Surface area
6.51819067937E+16
Circumference
452520717.23852
Perimeter
288083636
Area
5187011333186281
Diagonal
101852946.28224
Surface area
31122067999117686
Volume
3.7357327120938E+23
Space diagonal
124743873.59529
Perimeter
216062727
Area
2.2460417921286E+15
Altitude
62371936.797647
Surface area
2.2460417921286E+15
Volume
4.4026032223699E+22
Height
33950982.09408