18989929 is an odd 8-digits composite number following 18989928
and preceding 18989930 . In scientific notation, it is written as 1.8989929 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 15724800 positive integers (up to 18989929) that are relatively prime to 18989929.
18989929 has 16 divisors, whose sum is 22450176
The reverse of 18989929 is 92998981
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighteen million nine hundred eighty-nine thousand nine hundred twenty-nine
Scientific notation
1.8989929 × 10^7
Engineering notation
1.8989929 × 10^6
Prime Factorization
7 × 41 × 127 × 521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18989929
Product of the distinct prime numbers
The prime factorization of 18989929 is 7 × 41 × 127 × 521.
Since it has a total of 4 prime factors.
10 , 8 , 61 , 4 , 856 , 849 , 5421 , 9236 , 22400 , 20507 , 653230 , 119007 , 7573952 , 808250 , 20892696 , 3969350 , 398969736 , 376539733 , 9636901113 , 170084877
n×2
37979858
n×3
56969787
n×4
75959716
n×5
94949645
n÷2
9494964.5
n÷3
6329976.3333333
n÷3
4747482.25
n÷5
3797985.8
n2
360617403425041
n3
6.8480988872059E+21
n4
1.3004491165302E+29
n5
2.4695436391021E+36
2 √n
4357.7435674899
3 √n
266.79301009584
4 √n
66.013207523116
5 √n
28.556479663561
1 , 7 , 41 , 127 , 287 , 521 , 889 , 3647 , 5207 , 21361 , 36449 , 66167 , 149527 , 463169 , 2712847 , 18989929
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18989928
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18989929 can be divided by 16 positive divisors.
The sum of these divisors (counting 18989929) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011100001101101001
3
Ternary
1022201210021201
4
Quaternary
1020130031221
5
Quinary
14330134204
6
Senary
1515004201
8
Octal
110341551
10
Decimal
18989929
12
Duodecimal
6439661
16
Hexadecimal
121c369
20
Vigesimal
5ideg9
36
Base36
bb0q1
md5
522d947fad4445c7bb5f57acbb877180
sha1
a90ac932b30528869bb61357a69f71958dc4342e
sha256
b6b04fa1a7b1570118c6f0944611e20c41ff8b286263dfd1087f28e87da371ef
sha512
cc81d8294af40ccf5f8fff252cf301fcd8243dbdd74fa0d72fd93460f6a40443098ab79373788676f50338054e16dd9df0f42ec840311d6e18b31edf08ef426a
ripemd-160
3ff01805349ec6ecc3c7667567b0b33c6c4ed6d8
Diameter
37979858
Circumference
119317242.87718
Area
1.1329129853567E+15
Volume
2.8685249540137E+22
Surface area
4.5316519414269E+15
Circumference
119317242.87718
Perimeter
75959716
Area
360617403425041
Diagonal
26855815.140302
Surface area
2163704420550246
Volume
6.8480988872059E+21
Space diagonal
32891521.860126
Perimeter
56969787
Area
1.5615191620643E+14
Altitude
16445760.930063
Surface area
1.5615191620643E+14
Volume
8.0705619356322E+20
Height
8951938.3801007