72678891 is an odd 8-digits composite number following 72678890
and preceding 72678892 . In scientific notation, it is written as 7.2678891 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 48333312 positive integers (up to 72678891) that are relatively prime to 72678891.
72678891 has 8 divisors, whose sum is 97143760
The reverse of 72678891 is 19887627
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-two million six hundred seventy-eight thousand eight hundred ninety-one
Scientific notation
7.2678891 × 10^7
Engineering notation
7.2678891 × 10^6
Prime Factorization
3 × 409 × 59233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72678891
Product of the distinct prime numbers
The prime factorization of 72678891 is 3 × 409 × 59233.
Since it has a total of 3 prime factors.
10 , 3 , 7 , 17 , 497 , 187 , 3773 , 4887 , 25296 , 84141 , 755052 , 209443 , 2330761 , 9460463 , 42215882 , 35044168 , 517755348 , 457799970 , 4537828940 , 6610374136
n×2
145357782
n×3
218036673
n×4
290715564
n×5
363394455
n÷2
36339445.5
n÷3
24226297
n÷3
18169722.75
n÷5
14535778.2
n2
5282221196989881
n3
3.8390597861392E+23
n4
2.7901860773929E+31
n5
2.0278762978856E+39
2 √n
8525.1915521002
3 √n
417.3202228362
4 √n
92.33196387005
5 √n
37.349230484485
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
-72678890
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 72678891 can be divided by 8 positive divisors.
The sum of these divisors (counting 72678891) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101001111110111101011
3
Ternary
12001202110200210
4
Quaternary
10111033313223
5
Quinary
122101211031
6
Senary
11113432203
8
Octal
425176753
10
Decimal
72678891
12
Duodecimal
2040b663
16
Hexadecimal
454fdeb
20
Vigesimal
12e4h4b
36
Base36
179re3
md5
aff61126ff768984682e5f42ab601190
sha1
4c2c0f82cee53a55f64dc0c4bf7ec8ec113a2f1b
sha256
e2af990d2c4e5d81893d75f44b2b5720c05fab55661c577842b4dd37e7346fcd
sha512
2b14f3d5d5fcbf0370438826982ff1f0f189d2c2f8ab4cd65d7fd64f7362d9df3222492ab5ee0db1f2c09566213a899f5993a2b8b0f93e7bf8501f36330ee4a0
ripemd-160
a5af118180c579b56723c765b59fd07da121c27c
Diameter
145357782
Circumference
456654940.07331
Area
1.65945873071E+16
Volume
1.6081016027769E+24
Surface area
6.6378349228399E+16
Circumference
456654940.07331
Perimeter
290715564
Area
5282221196989881
Diagonal
102783473.35044
Surface area
31693327181939286
Volume
3.8390597861392E+23
Space diagonal
125883531.84976
Perimeter
218036673
Area
2.2872688725009E+15
Altitude
62941765.92488
Surface area
2.2872688725009E+15
Volume
4.5243753469326E+22
Height
34261157.783479