72401897 is an odd 8-digits composite number following 72401896
and preceding 72401898 . In scientific notation, it is written as 7.2401897 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 71619232 positive integers (up to 72401897) that are relatively prime to 72401897.
72401897 has 8 divisors, whose sum is 73188576
The reverse of 72401897 is 79810427
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million four hundred one thousand eight hundred ninety-seven
Scientific notation
7.2401897 × 10^7
Engineering notation
7.2401897 × 10^6
Prime Factorization
137 × 347 × 1523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72401897
Product of the distinct prime numbers
The prime factorization of 72401897 is 137 × 347 × 1523.
Since it has a total of 3 prime factors.
4 , 7 , 33 , 47 , 618 , 530 , 8568 , 9445 , 32446 , 26269 , 726443 , 400559 , 5368329 , 2526291 , 34074934 , 10312566 , 292552350 , 201394683 , 8958613216 , 1971456816
n×2
144803794
n×3
217205691
n×4
289607588
n×5
362009485
n÷2
36200948.5
n÷3
24133965.666667
n÷3
18100474.25
n÷5
14480379.4
n2
5242034689198609
n3
3.7953325563778E+23
n4
2.7478927682762E+31
n5
1.9895264917578E+39
2 √n
8508.9304263227
3 √n
416.7893838714
4 √n
92.243863895235
5 √n
37.320717885277
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
-72401896
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 72401897 can be divided by 8 positive divisors.
The sum of these divisors (counting 72401897) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100001100001111101001
3
Ternary
12001020101201202
4
Quaternary
10110030033221
5
Quinary
122013330042
6
Senary
11103453545
8
Octal
424141751
10
Decimal
72401897
12
Duodecimal
202b72b5
16
Hexadecimal
450c3e9
20
Vigesimal
12ca4eh
36
Base36
173tnt
md5
b658eb0bab41fcf80e879c8d44cf1e85
sha1
2205ade85a4326028c2d58293fa0ad7cccaf9ede
sha256
b8f344db2f1d55a2ff0b1f25ccc7817e171f40268e6fd15d522a1fc1eb8b389d
sha512
a4d4c265b820ab70aa10346020ce06b89f62db78c0821808fcc3e25fe6ba7be539a585017148d590e980db1f1b822024c008a1a2dbb129716b537947969004cd
ripemd-160
cac047b2c275bbde1a8a459437801fffca353855
Diameter
144803794
Circumference
454914535.44233
Area
1.6468337669449E+16
Volume
1.5897851836062E+24
Surface area
6.5873350677797E+16
Circumference
454914535.44233
Perimeter
289607588
Area
5242034689198609
Diagonal
102391744.67894
Surface area
31452208135191654
Volume
3.7953325563778E+23
Space diagonal
125403764.16837
Perimeter
217205691
Area
2.2698676041826E+15
Altitude
62701882.084184
Surface area
2.2698676041826E+15
Volume
4.4728423124548E+22
Height
34130581.559647