18889912 is an even 8-digits composite number following 18889911
and preceding 18889913 . In scientific notation, it is written as 1.8889912 × 10^7.
The sum of its digits is 46. It has a total of 6 prime factors and 32 positive divisors.
There are 8978400 positive integers (up to 18889912) that are relatively prime to 18889912.
18889912 has 32 divisors, whose sum is 37209600
The reverse of 18889912 is 21998881
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million eight hundred eighty-nine thousand nine hundred twelve
Scientific notation
1.8889912 × 10^7
Engineering notation
1.8889912 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 59 × 1291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4722478
Product of the distinct prime numbers
The prime factorization of 18889912 is 2 × 2 × 2 × 31 × 59 × 1291.
Since it has a total of 6 prime factors.
5 , 2 , 69 , 39 , 15 , 414 , 3697 , 9254 , 23517 , 10131 , 504674 , 402683 , 9924986 , 8759257 , 20332574 , 35571035 , 58530008 , 562026852 , 9192919710 , 1489113867
n×2
37779824
n×3
56669736
n×4
75559648
n×5
94449560
n÷2
9444956
n÷3
6296637.3333333
n÷3
4722478
n÷5
3777982.4
n2
356828775367744
n3
6.7404641657645E+21
n4
1.2732677493044E+29
n5
2.4051915736799E+36
2 √n
4346.2526387683
3 √n
266.32379962493
4 √n
65.926114998294
5 √n
28.526335584184
1 , 2 , 4 , 8 , 31 , 59 , 62 , 118 , 124 , 236 , 248 , 472 , 1291 , 1829 , 2582 , 3658 , 5164 , 7316 , 10328 , 14632 , 40021 , 76169 , 80042 , 152338 , 160084 , 304676 , 320168 , 609352 , 2361239 , 4722478 , 9444956 , 18889912
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18889911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18889912 can be divided by 32 positive divisors.
The sum of these divisors (counting 18889912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000000011110010111000
3
Ternary
1022112201002101
4
Quaternary
1020003302320
5
Quinary
14313434122
6
Senary
1512513144
8
Octal
110036270
10
Decimal
18889912
12
Duodecimal
63ab7b4
16
Hexadecimal
1203cb8
20
Vigesimal
5i14fc
36
Base36
b8vjs
md5
286e6532faf33333ba8dd6c44913038e
sha1
90d15e95c456bcf1bbf7c8378c2bc439c9c7c5fb
sha256
75ba59af2b3722ccadf2fc4c89bf996d7640e362a71c4f2936958b19dba7f2de
sha512
01c6c2f28c0bdcbad527a0a8bfc990aa788d564b8b0a547685d0a4ca287ff5a2d460b9e7627de6fe26e2c5308d48556802285c058dea32f2eb16c33586beacf0
ripemd-160
02b4915b572894a5ceff0a72584a8e3fee3586f9
Diameter
37779824
Circumference
118688817.53232
Area
1.1210106592847E+15
Volume
2.8234390273268E+22
Surface area
4.484042637139E+15
Circumference
118688817.53232
Perimeter
75559648
Area
356828775367744
Diagonal
26714369.742434
Surface area
2140972652206464
Volume
6.7404641657645E+21
Space diagonal
32718287.334505
Perimeter
56669736
Area
1.5451139213488E+14
Altitude
16359143.667253
Surface area
1.5451139213488E+14
Volume
7.9437131999283E+20
Height
8904789.9141448