19981357 is an odd 8-digits composite number following 19981356
and preceding 19981358 . In scientific notation, it is written as 1.9981357 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 18090000 positive integers (up to 19981357) that are relatively prime to 19981357.
19981357 has 8 divisors, whose sum is 21887712
The reverse of 19981357 is 75318991
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred eighty-one thousand three hundred fifty-seven
Scientific notation
1.9981357 × 10^7
Engineering notation
1.9981357 × 10^6
Prime Factorization
11 × 251 × 7237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19981357
Product of the distinct prime numbers
The prime factorization of 19981357 is 11 × 251 × 7237.
Since it has a total of 3 prime factors.
2 , 5 , 87 , 4 , 554 , 939 , 4732 , 8299 , 61779 , 56830 , 262391 , 64106 , 8283602 , 5682031 , 44015786 , 40209180 , 474077146 , 669807152 , 6435355467 , 8834944583
n×2
39962714
n×3
59944071
n×4
79925428
n×5
99906785
n÷2
9990678.5
n÷3
6660452.3333333
n÷3
4995339.25
n÷5
3996271.4
n2
399254627561449
n3
7.9776492472074E+21
n4
1.5940425762923E+29
n5
3.1851133790096E+36
2 √n
4470.0511182759
3 √n
271.35739396023
4 √n
66.858440890257
5 √n
28.848616860445
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981356
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981357 can be divided by 8 positive divisors.
The sum of these divisors (counting 19981357) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001110010000101101
3
Ternary
1101121011021021
4
Quaternary
1030032100231
5
Quinary
20103400412
6
Senary
1552134141
8
Octal
114162055
10
Decimal
19981357
12
Duodecimal
6837351
16
Hexadecimal
130e42d
20
Vigesimal
64hd7h
36
Base36
bw9pp
md5
679e0b136542d9f040fa851a4a7909e8
sha1
03e09590b66638d9f896f7dd0ce4c6367ddae9f2
sha256
753d8b2a248fa35a836ab6c3f164d2723337d45e74d561d9514806897028caaa
sha512
28c515a8399807d988f753b395ad76238f25e30739cade8f135890011237e12e1d84b543f993ab0be306dbc545f737c5f536e965a0b449222b462fdce9f46d85
ripemd-160
22f1b77f94504b801902be4cd31be15c2ba1f35c
Diameter
39962714
Circumference
125546568.71991
Area
1.2542954048588E+15
Volume
3.3416699023924E+22
Surface area
5.0171816194351E+15
Circumference
125546568.71991
Perimeter
79925428
Area
399254627561449
Diagonal
28257906.064019
Surface area
2395527765368694
Volume
7.9776492472074E+21
Space diagonal
34608725.528172
Perimeter
59944071
Area
1.7288232502335E+14
Altitude
17304362.764086
Surface area
1.7288232502335E+14
Volume
9.4017498010468E+20
Height
9419302.0213395