19900907 is an odd 8-digits composite number following 19900906
and preceding 19900908 . In scientific notation, it is written as 1.9900907 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 18370056 positive integers (up to 19900907) that are relatively prime to 19900907.
19900907 has 4 divisors, whose sum is 21431760
The reverse of 19900907 is 70900991
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
nineteen million nine hundred thousand nine hundred seven
Scientific notation
1.9900907 × 10^7
Engineering notation
1.9900907 × 10^6
Prime Factorization
13 × 1530839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19900907
Product of the distinct prime numbers
The prime factorization of 19900907 is 13 × 1530839.
Since it has a total of 2 prime factors.
8 , 3 , 8 , 19 , 313 , 725 , 9533 , 690 , 86896 , 66819 , 259589 , 574562 , 9781142 , 6441186 , 87896934 , 61285339 , 85969383 , 535483727 , 8621376032 , 7046459577
n×2
39801814
n×3
59702721
n×4
79603628
n×5
99504535
n÷2
9950453.5
n÷3
6633635.6666667
n÷3
4975226.75
n÷5
3980181.4
n2
396046099422649
n3
7.8816765923229E+21
n4
1.5685251286789E+29
n5
3.1215072713003E+36
2 √n
4461.0432636324
3 √n
270.99271958401
4 √n
66.791041791788
5 √n
28.825348990826
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
-19900906
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 19900907 can be divided by 4 positive divisors.
The sum of these divisors (counting 19900907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111010100111101011
3
Ternary
1101110001220122
4
Quaternary
1023322213223
5
Quinary
20043312112
6
Senary
1550313455
8
Octal
113724753
10
Decimal
19900907
12
Duodecimal
67b888b
16
Hexadecimal
12fa9eb
20
Vigesimal
647c57
36
Base36
bujmz
md5
1060aae0cd6bb3a8f14ac7e326a74e73
sha1
814c3ab1aca01fdc334102925dbdffa7683fd7ba
sha256
29b861183e3cd92c1939586e4500fa49634198e899b3325bfc1dcaa5d4e0858c
sha512
5f2d2a6ba21ec0219d0236080b7ba45e1816fd2d0cc471f9ad88d9276a03209dc371886646ba83c8605477b8a00f08f913b6f019104db22f7e0d215a951dd732
ripemd-160
8a8d96c24f40e8fca4467d4704ee02c8ae8bbf9f
Diameter
39801814
Circumference
125041086.46195
Area
1.2442155164291E+15
Volume
3.3014689707216E+22
Surface area
4.9768620657163E+15
Circumference
125041086.46195
Perimeter
79603628
Area
396046099422649
Diagonal
28144132.582926
Surface area
2376276596535894
Volume
7.8816765923229E+21
Space diagonal
34469382.040703
Perimeter
59702721
Area
1.7149299158488E+14
Altitude
17234691.020352
Surface area
1.7149299158488E+14
Volume
9.2886449425847E+20
Height
9381377.5276419