19990870 is an even 8-digits composite number following 19990869
and preceding 19990871 . In scientific notation, it is written as 1.9990870 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 7981344 positive integers (up to 19990870) that are relatively prime to 19990870.
19990870 has 16 divisors, whose sum is 36051120
The reverse of 19990870 is 07809991
Previous prime number is 3109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred ninety thousand eight hundred seventy
Scientific notation
1.9990870 × 10^7
Engineering notation
1.9990870 × 10^6
Prime Factorization
2 × 5 × 3109 × 643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19990870
Product of the distinct prime numbers
The prime factorization of 19990870 is 2 × 5 × 3109 × 643.
Since it has a total of 4 prime factors.
8 , 5 , 96 , 17 , 102 , 350 , 7514 , 5884 , 38640 , 88530 , 439429 , 770048 , 4215386 , 6326453 , 19643321 , 41434215 , 793432728 , 423772499 , 6409819772 , 2378365455
n×2
39981740
n×3
59972610
n×4
79963480
n×5
99954350
n÷2
9995435
n÷3
6663623.3333333
n÷3
4997717.5
n÷5
3998174
n2
399634883356900
n3
7.989049000653E+21
n4
1.5970803999568E+29
n5
3.1927026655085E+36
2 √n
4471.1150734464
3 √n
271.40045098468
4 √n
66.866397192061
5 √n
28.851363266948
1 , 2 , 5 , 10 , 643 , 1286 , 3109 , 3215 , 6218 , 6430 , 15545 , 31090 , 1999087 , 3998174 , 9995435 , 19990870
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
-19990869
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 19990870 can be divided by 16 positive divisors.
The sum of these divisors (counting 19990870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000100101010110
3
Ternary
1101121122022121
4
Quaternary
1030100211112
5
Quinary
20104201440
6
Senary
1552250154
8
Octal
114204526
10
Decimal
19990870
12
Duodecimal
684095a
16
Hexadecimal
1310956
20
Vigesimal
64ih3a
36
Base36
bwh1y
md5
32f1617c3afc8ca0cb4383f46cfb999a
sha1
1b19a39cff78daca24096effca39421b29756ed7
sha256
b109acd771e67d6eb70482b627c8467b4170dc17a48197a8930e40e94e0e9c51
sha512
e792f942e911b003359e2aa8a30a870ebadd2cdee2dcf60ccdf99fed2b903af725adf8986e37c62de0d1a294ee518005bf9c7706881171af4488dada12ac00e0
ripemd-160
3a15ee181a49ce814db4b8903ab699e28320f7c1
Diameter
39981740
Circumference
125606340.66174
Area
1.2554900136723E+15
Volume
3.3464450199494E+22
Surface area
5.021960054689E+15
Circumference
125606340.66174
Perimeter
79963480
Area
399634883356900
Diagonal
28271359.477637
Surface area
2397809300141400
Volume
7.989049000653E+21
Space diagonal
34625202.527504
Perimeter
59972610
Area
1.7304698061275E+14
Altitude
17312601.263752
Surface area
1.7304698061275E+14
Volume
9.4151845393222E+20
Height
9423786.4925458