18872912 is an even 8-digits composite number following 18872911
and preceding 18872913 . In scientific notation, it is written as 1.8872912 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 30 positive divisors.
There are 9252480 positive integers (up to 18872912) that are relatively prime to 18872912.
18872912 has 30 divisors, whose sum is 37292814
The reverse of 18872912 is 21927881
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million eight hundred seventy-two thousand nine hundred twelve
Scientific notation
1.8872912 × 10^7
Engineering notation
1.8872912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 317 × 61 × 61
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
38674
Product of the distinct prime numbers
The prime factorization of 18872912 is 2 × 2 × 2 × 2 × 317 × 61 × 61.
Since it has a total of 7 prime factors.
8 , 7 , 48 , 31 , 295 , 927 , 4805 , 4253 , 30735 , 91949 , 674060 , 71271 , 534101 , 4695095 , 82710115 , 76467932 , 455273650 , 34683419 , 2302212047 , 4787098005
n×2
37745824
n×3
56618736
n×4
75491648
n×5
94364560
n÷2
9436456
n÷3
6290970.6666667
n÷3
4718228
n÷5
3774582.4
n2
356186807359744
n3
6.7222822708614E+21
n4
1.2686904173713E+29
n5
2.3943882602291E+36
2 √n
4344.2964908026
3 √n
266.24388283388
4 √n
65.91127741747
5 √n
28.52119927258
1 , 2 , 4 , 8 , 16 , 61 , 122 , 244 , 317 , 488 , 634 , 976 , 1268 , 2536 , 3721 , 5072 , 7442 , 14884 , 19337 , 29768 , 38674 , 59536 , 77348 , 154696 , 309392 , 1179557 , 2359114 , 4718228 , 9436456 , 18872912
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18872911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18872912 can be divided by 30 positive divisors.
The sum of these divisors (counting 18872912) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1000111111111101001010000
3
Ternary
1022111211202202
4
Quaternary
1013333221100
5
Quinary
14312413122
6
Senary
1512302332
8
Octal
107775120
10
Decimal
18872912
12
Duodecimal
63a19a8
16
Hexadecimal
11ffa50
20
Vigesimal
5hj25c
36
Base36
b8ifk
md5
527b8d8f54491ccd283b25525cff2d5f
sha1
6cf76871ce0f92611bf436ceb55bc1318c751650
sha256
5208b4e4dc731a51a6aecd0c3ae51b4df0338ddb41d894dd1106f184a1249b7e
sha512
4fe5b7120d8d1c9c2ac65d2d7fa27a5fb0aaf6fe1850a081cecb5434175f103615b17ffdb9b2575edd9823ec4893bd9313d7804bcd9b0160e23088966e66191e
ripemd-160
ceb497486b37f43cdd3bfaef2056f9613df7f0ea
Diameter
37745824
Circumference
118582003.38209
Area
1.118993857307E+15
Volume
2.8158230129993E+22
Surface area
4.4759754292279E+15
Circumference
118582003.38209
Perimeter
75491648
Area
356186807359744
Diagonal
26690328.111874
Surface area
2137120844158464
Volume
6.7222822708614E+21
Space diagonal
32688842.470776
Perimeter
56618736
Area
1.5423341183321E+14
Altitude
16344421.235388
Surface area
1.5423341183321E+14
Volume
7.9222856312937E+20
Height
8896776.0372913