72990161 is an odd 8-digits composite number following 72990160
and preceding 72990162 . In scientific notation, it is written as 7.2990161 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 72882612 positive integers (up to 72990161) that are relatively prime to 72990161.
72990161 has 4 divisors, whose sum is 73097712
The reverse of 72990161 is 16109927
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million nine hundred ninety thousand one hundred sixty-one
Scientific notation
7.2990161 × 10^7
Engineering notation
7.2990161 × 10^6
Prime Factorization
683 × 106867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72990161
Product of the distinct prime numbers
The prime factorization of 72990161 is 683 × 106867.
Since it has a total of 2 prime factors.
2 , 8 , 26 , 81 , 969 , 714 , 2589 , 6725 , 65597 , 76178 , 495659 , 799947 , 9694989 , 693327 , 85900658 , 10118666 , 770532493 , 252435962 , 6112261816 , 1762737440
n×2
145980322
n×3
218970483
n×4
291960644
n×5
364950805
n÷2
36495080.5
n÷3
24330053.666667
n÷3
18247540.25
n÷5
14598032.2
n2
5327563602805921
n3
3.8885972510654E+23
n4
2.8382933941942E+31
n5
2.0716749180747E+39
2 √n
8543.4279419914
3 √n
417.91514230209
4 √n
92.430665593143
5 √n
37.381167762487
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
-72990160
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 72990161 can be divided by 4 positive divisors.
The sum of these divisors (counting 72990161) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110011011110111010001
3
Ternary
12002100021200022
4
Quaternary
10112123313101
5
Quinary
122141141121
6
Senary
11124233225
8
Octal
426336721
10
Decimal
72990161
12
Duodecimal
2053b815
16
Hexadecimal
459bdd1
20
Vigesimal
12g3f81
36
Base36
17gfkh
md5
67c46ff48c5512e4b7c577f5d8bbea4f
sha1
423c2d37b3065b3cb914828e607b203b5451f4f2
sha256
693362b67934f1970dd006267d7c36d4d5a4e42b0f47577f5acdf7d5207c006a
sha512
39f15c74a477848e1656dec6042a7c1de278b4068728e2cf7042d9be5be87374ec1405dc974b6107061d4dcb895a2ac9aa47767c8da6c3366702b6a133ea4590
ripemd-160
59c2590faa2e0e03ae92548f281d5197889872df
Diameter
145980322
Circumference
458610707.16387
Area
1.6737034676107E+16
Volume
1.6288518075622E+24
Surface area
6.694813870443E+16
Circumference
458610707.16387
Perimeter
291960644
Area
5327563602805921
Diagonal
103223675.606
Surface area
31965381616835526
Volume
3.8885972510654E+23
Space diagonal
126422667.30463
Perimeter
218970483
Area
2.3069027101536E+15
Altitude
63211333.652316
Surface area
2.3069027101536E+15
Volume
4.5827558092196E+22
Height
34407891.868665