19989157 is an odd 8-digits prime number following 19989156
and preceding 19989158 . In scientific notation, it is written as 1.9989157 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 19989156 positive integers (up to 19989157) that are relatively prime to 19989157.
19989157 has 2 divisors, whose sum is 19989158
The reverse of 19989157 is 75198991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-nine thousand one hundred fifty-seven
Scientific notation
1.9989157 × 10^7
Engineering notation
1.9989157 × 10^6
Prime Factorization
19989157
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19989157
Product of the distinct prime numbers
The prime factorization of 19989157 is 19989157.
Since it has a total of 1 prime factors.
9 , 10 , 52 , 81 , 393 , 862 , 7559 , 3504 , 65209 , 23470 , 841776 , 571402 , 8512773 , 256465 , 31021070 , 14862005 , 603211372 , 651014084 , 4490510936 , 1125393434
n×2
39978314
n×3
59967471
n×4
79956628
n×5
99945785
n÷2
9994578.5
n÷3
6663052.3333333
n÷3
4997289.25
n÷5
3997831.4
n2
399566397570649
n3
7.9869954529641E+21
n4
1.5965330606759E+29
n5
3.191335000554E+36
2 √n
4470.923506391
3 √n
271.39269874157
4 √n
66.864964715395
5 √n
28.850868800431
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19989158
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9994579
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4470.9236182248
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998999458
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19989157 can be divided by 2 positive divisors.
The sum of these divisors (counting 19989157) is 19989158, the average is 9994579.
Base
System
Value
2
Binary
1001100010000001010100101
3
Ternary
1101121112222011
4
Quaternary
1030100022211
5
Quinary
20104123112
6
Senary
1552234221
8
Octal
114201245
10
Decimal
19989157
12
Duodecimal
683b971
16
Hexadecimal
13102a5
20
Vigesimal
64ichh
36
Base36
bwfqd
md5
a1e7985760d9c41835e00c18ba1af052
sha1
8547d02aa5d8c53d8c5b977a02f37e162282a19c
sha256
8e8dc8f224cf31585d35ef9a1a1fd3f6259345ed1069b71603d1c0e75ab044a5
sha512
eb0b50d631e99ad218221f31b2bfa16a6d3dba3d92ac40a7173e4960af4ae1529d16b97b0c30d3dee6eac107ea43c5a3f37f4407efcea029b7866ead96ee27a5
ripemd-160
259892c92f23c32ee326654e84c0eb155b247393
Diameter
39978314
Circumference
125595577.56531
Area
1.2552748592293E+15
Volume
3.345584831905E+22
Surface area
5.0210994369172E+15
Circumference
125595577.56531
Perimeter
79956628
Area
399566397570649
Diagonal
28268936.929805
Surface area
2397398385423894
Volume
7.9869954529641E+21
Space diagonal
34622235.524471
Perimeter
59967471
Area
1.7301732539741E+14
Altitude
17311117.762236
Surface area
1.7301732539741E+14
Volume
9.4127644101618E+20
Height
9422978.9766017