72051218 is an even 8-digits composite number following 72051217
and preceding 72051219 . In scientific notation, it is written as 7.2051218 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 36025608 positive integers (up to 72051218) that are relatively prime to 72051218.
72051218 has 4 divisors, whose sum is 108076830
The reverse of 72051218 is 81215027
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-two million fifty-one thousand two hundred eighteen
Scientific notation
7.2051218 × 10^7
Engineering notation
7.2051218 × 10^6
Prime Factorization
2 × 36025609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72051218
Product of the distinct prime numbers
The prime factorization of 72051218 is 2 × 36025609.
Since it has a total of 2 prime factors.
4 , 4 , 3 , 49 , 131 , 853 , 6941 , 8760 , 28827 , 8798 , 460076 , 249669 , 8807098 , 593642 , 59057817 , 52501860 , 397360853 , 286163573 , 8566210171 , 6794910904
n×2
144102436
n×3
216153654
n×4
288204872
n×5
360256090
n÷2
36025609
n÷3
24017072.666667
n÷3
18012804.5
n÷5
14410243.6
n2
5191378015283524
n3
3.740451090996E+23
n4
2.6950405697569E+31
n5
1.941809556104E+39
2 √n
8488.2988872918
3 √n
416.11538727794
4 √n
92.131964525304
5 √n
37.284495016985
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72051217
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72051218 can be divided by 4 positive divisors.
The sum of these divisors (counting 72051218) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010110110101000010010
3
Ternary
12000120120200122
4
Quaternary
10102312220102
5
Quinary
121421114333
6
Senary
11052150242
8
Octal
422665022
10
Decimal
72051218
12
Duodecimal
20168382
16
Hexadecimal
44b6a12
20
Vigesimal
12a680i
36
Base36
16wb2q
md5
e72693dba5a572fab124a96f250c339d
sha1
0abf8574630b5f83938892a606e5386b779188f2
sha256
0796f17f83fedea33888389c46b5e539442806831445a46704623d20ea994624
sha512
d0d11043a5a7f230c95f4f577d267b00fa04c55fbfcdcb48310fac3c2a4221c4e2f8dd934998d4b461d5195f0ba2623b24e9454789eb31be19c44f6415310dae
ripemd-160
467df7b83daa538f5d00ac864f3c6ccfeb4adb3c
Diameter
144102436
Circumference
452711154.30199
Area
1.6309195034822E+16
Volume
1.5667964891447E+24
Surface area
6.5236780139289E+16
Circumference
452711154.30199
Perimeter
288204872
Area
5191378015283524
Diagonal
101895809.6811
Surface area
31148268091701144
Volume
3.740451090996E+23
Space diagonal
124796370.32322
Perimeter
216153654
Area
2.2479326209418E+15
Altitude
62398185.161611
Surface area
2.2479326209418E+15
Volume
4.4081638852332E+22
Height
33965269.8937