72649861 is an odd 8-digits prime number following 72649860
and preceding 72649862 . In scientific notation, it is written as 7.2649861 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 72649860 positive integers (up to 72649861) that are relatively prime to 72649861.
72649861 has 2 divisors, whose sum is 72649862
The reverse of 72649861 is 16894627
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 43 Digital Root 7
Name
seventy-two million six hundred forty-nine thousand eight hundred sixty-one
Scientific notation
7.2649861 × 10^7
Engineering notation
7.2649861 × 10^6
Prime Factorization
72649861
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72649861 Product of the distinct prime numbers
The prime factorization of 72649861 is 72649861.
Since it has a total of 1 prime factors.
3 , 7 , 68 , 5 , 376 , 115 , 5304 , 7366 , 73961 , 32700 , 470237 , 818341 , 8758766 , 69878 , 59025709 , 46377147 , 727536609 , 207360895 , 3292345293 , 6966572430
n×2
145299722
n×3
217949583
n×4
290599444
n×5
363249305
n÷2
36324930.5
n÷3
24216620.333333
n÷3
18162465.25
n÷5
14529972.2
n2
5278002303319321
n3
3.8344613369383E+23
n4
2.7857308313844E+31
n5
2.0238295768349E+39
2 √n8523.4887810098
3 √n417.26465227892
4 √n92.322742490731
5 √n37.346246340342
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72649862 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36324931 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8523.4888396712 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999724707 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72649861 can be divided by 2 positive divisors.
The sum of these divisors (counting 72649861) is 72649862, the average is 36324931.
Base
System
Value
2
Binary
100010101001000110010000101
3
Ternary
12001200222212121
4
Quaternary
10111020302011
5
Quinary
122044243421
6
Senary
11113045541
8
Octal
425106205
10
Decimal
72649861
12
Duodecimal
203b68b1
16
Hexadecimal
4548c85
20
Vigesimal
12e14d1
36
Base36
1794zp
md5
6203bf2f770ff552dfc432acbdc8a239
sha1
509a2e59ddbdaab23e293f63a8e2a8c94ac648e6
sha256
60787a423c1e9488fada942eade7daedef4cca4ac420a0aca61350e225b4e799
sha512
3edacc4c71b7f43804b59855b04264733948603c1f62b48f8d671e94cfd799e7cb401947d89145f5a6633d045c3db31c2122af07b4f90faaeb191b43ecf47da2
ripemd-160
cb7aa39023b4c16df2ade69acaa1fb7dbe3ed3a1
Diameter
145299722
Circumference
456472539.20384
Area
1.6581333261738E+16
Volume
1.6061754088799E+24
Surface area
6.6325333046952E+16
Circumference
456472539.20384
Perimeter
290599444
Area
5278002303319321
Diagonal
102742418.73072
Surface area
31668013819915926
Volume
3.8344613369383E+23
Space diagonal
125833250.41482
Perimeter
217949583
Area
2.2854420379537E+15
Altitude
62916625.207408
Surface area
2.2854420379537E+15
Volume
4.5189560225778E+22
Height
34247472.91024