72842561 is an odd 8-digits composite number following 72842560
and preceding 72842562 . In scientific notation, it is written as 7.2842561 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 62329680 positive integers (up to 72842561) that are relatively prime to 72842561.
72842561 has 16 divisors, whose sum is 84188160
The reverse of 72842561 is 16524827
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million eight hundred forty-two thousand five hundred sixty-one
Scientific notation
7.2842561 × 10^7
Engineering notation
7.2842561 × 10^6
Prime Factorization
11 × 167 × 19 × 2087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72842561
Product of the distinct prime numbers
The prime factorization of 72842561 is 11 × 167 × 19 × 2087.
Since it has a total of 4 prime factors.
3 , 2 , 92 , 1 , 928 , 20 , 8843 , 2887 , 65948 , 346 , 178022 , 554513 , 919497 , 1226322 , 19078814 , 9655516 , 60138317 , 529526206 , 5137877547 , 3613685677
n×2
145685122
n×3
218527683
n×4
291370244
n×5
364212805
n÷2
36421280.5
n÷3
24280853.666667
n÷3
18210640.25
n÷5
14568512.2
n2
5306038693038721
n3
3.8650544716603E+23
n4
2.8154046612024E+31
n5
2.0508128577332E+39
2 √n
8534.7853517238
3 √n
417.63325087979
4 √n
92.383902016119
5 √n
37.366037151317
1 , 11 , 19 , 167 , 209 , 1837 , 2087 , 3173 , 22957 , 34903 , 39653 , 348529 , 436183 , 3833819 , 6622051 , 72842561
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
-72842560
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 72842561 can be divided by 16 positive divisors.
The sum of these divisors (counting 72842561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101110111110101000001
3
Ternary
12002001210012122
4
Quaternary
10111313311001
5
Quinary
122121430221
6
Senary
11121134025
8
Octal
425676501
10
Decimal
72842561
12
Duodecimal
2048a315
16
Hexadecimal
4577d41
20
Vigesimal
12f5681
36
Base36
17d9oh
md5
e3b9aee9dacbe6d04524c678207d7aa2
sha1
81cdd5155f8ec1a3f9a447aa64a983018682b3a9
sha256
6ae583c01061360da8a68448263bdc56fb33f9c102244a5c6a70e58b8cae5a92
sha512
f2356f82c3e1a84fc3aba0646817b5d6c45cb57c4caf1e47a77bd03cfa474a2321dffe95d3e599ddbdd9f516e83e201ee0676e69f65c6734726e58a03d311416
ripemd-160
6100969214fa724e52b57592103f0590e331f9e1
Diameter
145685122
Circumference
457683309.01253
Area
1.6669412177714E+16
Volume
1.6189902311857E+24
Surface area
6.6677648710855E+16
Circumference
457683309.01253
Perimeter
291370244
Area
5306038693038721
Diagonal
103014937.68419
Surface area
31836232158232326
Volume
3.8650544716603E+23
Space diagonal
126167016.60544
Perimeter
218527683
Area
2.2975821508174E+15
Altitude
63083508.302718
Surface area
2.2975821508174E+15
Volume
4.5550103776107E+22
Height
34338312.561396