19997621 (number)

19997621 is an odd 8-digits composite number following 19997620 and preceding 19997622. In scientific notation, it is written as 1.9997621 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 17140812 positive integers (up to 19997621) that are relatively prime to 19997621.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand six hundred twenty-one

Notation

Scientific notation 1.9997621 × 10^7
Engineering notation 1.9997621 × 10^6

Prime Factorization of 19997621

Prime Factorization 7 × 2856803

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19997621
Product of the distinct prime numbers

The prime factorization of 19997621 is 7 × 2856803. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997621)

Multiplication

n×y
n×2 39995242
n×3 59992863
n×4 79990484
n×5 99988105

Division

n÷y
n÷2 9998810.5
n÷3 6665873.6666667
n÷3 4999405.25
n÷5 3999524.2

Exponentiation

ny
n2 399904845659641
n3 7.997145539565E+21
n4 1.5992388558206E+29
n5 3.1980972527174E+36

Nth Root

y√n
2√n 4471.8699668036
3√n 271.43099856687
4√n 66.872041742447
5√n 28.853311648866

Divisors of 19997621

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 -19997620
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 19997621 can be divided by 4 positive divisors. The sum of these divisors (counting 19997621) is 1, the average is 0.25.

Base conversion 19997621

Base System Value
2 Binary 1001100010010001110110101
3 Ternary 1101121222120122
4 Quaternary 1030102032311
5 Quinary 20104410441
6 Senary 1552341325
8 Octal 114221665
10 Decimal 19997621
12 Duodecimal 6844845
16 Hexadecimal 13123b5
20 Vigesimal 64je11
36 Base36 bwm9h

Cryptographic Hash Functions

md5 f431c908c1f8c00442361bd0d7a692d4
sha1 382ab04bd2066b9756e0bdab422bb04ace85d9ab
sha256 148f18c7aeea0ea146d59ae7d7122db9ab8c6b9f24fa0f70fa97eeabff919895
sha512 c4b79ee50d6982931a9d88c281e9fc8e162722791b295ed43ddc87856a2b95664248e326d19e7b7c7f465cd46019861f1b50f208374ed7156ed6a037d8559176
ripemd-160 3daa267833f59f8a31d486e21217a23c153a49b1

19997621 as geometric shapes

Circle

Radius = n
Diameter 39995242
Circumference 125648758.44575
Area 1.2563381252593E+15

Sphere

Radius = n
Volume 3.3498364902381E+22
Surface area 5.0253525010372E+15
Circumference 125648758.44575

Square

Length = n
Perimeter 79990484
Area 399904845659641
Diagonal 28280906.833397

Cube

Length = n
Surface area 2399429073957846
Volume 7.997145539565E+21
Space diagonal 34636895.602506

Equilateral Triangle

Length = n
Perimeter 59992863
Area 1.7316387771887E+14
Altitude 17318447.801253

Triangular Pyramid

Length = n
Surface area 1.7316387771887E+14
Volume 9.4247264019369E+20
Height 9426968.9444657