19990961 is an odd 8-digits composite number following 19990960
and preceding 19990962 . In scientific notation, it is written as 1.9990961 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 19796772 positive integers (up to 19990961) that are relatively prime to 19990961.
19990961 has 4 divisors, whose sum is 20185152
The reverse of 19990961 is 16909991
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred ninety thousand nine hundred sixty-one
Scientific notation
1.9990961 × 10^7
Engineering notation
1.9990961 × 10^6
Prime Factorization
103 × 194087
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19990961
Product of the distinct prime numbers
The prime factorization of 19990961 is 103 × 194087.
Since it has a total of 2 prime factors.
2 , 1 , 15 , 87 , 994 , 1 , 605 , 5271 , 35361 , 32129 , 494281 , 38861 , 7221076 , 1390371 , 22316493 , 99181464 , 644501571 , 629358478 , 2418325008 , 4306427316
n×2
39981922
n×3
59972883
n×4
79963844
n×5
99954805
n÷2
9995480.5
n÷3
6663653.6666667
n÷3
4997740.25
n÷5
3998192.2
n2
399638521703521
n3
7.9891581014727E+21
n4
1.5971094802938E+29
n5
3.1927753333283E+36
2 √n
4471.1252498672
3 √n
271.40086279606
4 √n
66.866473287195
5 √n
28.851389533632
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19990960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19990961 can be divided by 4 positive divisors.
The sum of these divisors (counting 19990961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000100110110001
3
Ternary
1101121122102222
4
Quaternary
1030100212301
5
Quinary
20104202321
6
Senary
1552250425
8
Octal
114204661
10
Decimal
19990961
12
Duodecimal
6840a15
16
Hexadecimal
13109b1
20
Vigesimal
64ih81
36
Base36
bwh4h
md5
ea53e530619654e1108f5f612adce829
sha1
7d7a9921a68216425bfbfd8bb65a2c2881f8b326
sha256
c7b75cd3ba731daff929b7a365bba5105c4083ecc9a482ef1b3a466a6b6a73c0
sha512
074091bd331efea3c7e07c797f69be10a6d67d02845783940ad030910794be3fa83afe0f243d0598dd4d7134977aa991092f71204fb51c3adea6d1d19c79d5c0
ripemd-160
8096d17ffbfd72b26674a509475f737abca61a80
Diameter
39981922
Circumference
125606912.4316
Area
1.2555014438753E+15
Volume
3.3464907199939E+22
Surface area
5.0220057755011E+15
Circumference
125606912.4316
Perimeter
79963844
Area
399638521703521
Diagonal
28271488.171072
Surface area
2397831130221126
Volume
7.9891581014727E+21
Space diagonal
34625360.144128
Perimeter
59972883
Area
1.7304855606305E+14
Altitude
17312680.072064
Surface area
1.7304855606305E+14
Volume
9.4153131158714E+20
Height
9423829.3903572