20997908 (number)

20997908 is an even 8-digits composite number following 20997907 and preceding 20997909. In scientific notation, it is written as 2.0997908 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 10101600 positive integers (up to 20997908) that are relatively prime to 20997908.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-seven thousand nine hundred eight

Notation

Scientific notation 2.0997908 × 10^7
Engineering notation 2.0997908 × 10^6

Prime Factorization of 20997908

Prime Factorization 2 × 2 × 47 × 61 × 1831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10498954
Product of the distinct prime numbers

The prime factorization of 20997908 is 2 × 2 × 47 × 61 × 1831. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 52, 27, 649, 814, 8950, 7638, 59433, 61555, 665736, 975939, 3338890, 9906791, 11076179, 6871665, 335568382, 806929987, 2475404273, 412728898

Basic calculations (n = 20997908)

Multiplication

n×y
n×2 41995816
n×3 62993724
n×4 83991632
n×5 104989540

Division

n÷y
n÷2 10498954
n÷3 6999302.6666667
n÷3 5249477
n÷5 4199581.6

Exponentiation

ny
n2 440912140376464
n3 9.2582325597081E+21
n4 1.9440351553135E+29
n5 4.082067134004E+36

Nth Root

y√n
2√n 4582.3474333577
3√n 275.88325595392
4√n 67.693038293149
5√n 29.136354043893

Divisors of 20997908

1, 2, 4, 47, 61, 94, 122, 188, 244, 1831, 2867, 3662, 5734, 7324, 11468, 86057, 111691, 172114, 223382, 344228, 446764, 5249477, 10498954, 20997908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20997907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20997908 can be divided by 24 positive divisors. The sum of these divisors (counting 20997908) is 1, the average is 0.041666666666667.

Base conversion 20997908

Base System Value
2 Binary 1010000000110011100010100
3 Ternary 1110111210201022
4 Quaternary 1100012130110
5 Quinary 20333413113
6 Senary 2030020312
8 Octal 120063424
10 Decimal 20997908
12 Duodecimal 7047698
16 Hexadecimal 1406714
20 Vigesimal 6b4ef8
36 Base36 ci238

Cryptographic Hash Functions

md5 f1d8cf0302e9c5ba40a9202dec183b46
sha1 fc40a482267ed7927a690315a8ed5c0c4138f3f6
sha256 10400f48848f94fa0797bd632aa761a15487c584a1e61d08f24a205d0b127dd0
sha512 e27439616c0e5bf06d85eb9d5b3b1a9eea4245d97b5766b7a87d3f16ef0e1b19f9f834e0f2e546d21d21e0f384b954943479d9e7d57e686485b686897871a2f4
ripemd-160 bf1d50e0c8616b0745ccb2409b90d1bf49b434e2

20997908 as geometric shapes

Circle

Radius = n
Diameter 41995816
Circumference 131933747.02711
Area 1.3851663410853E+15

Sphere

Radius = n
Volume 3.878079385974E+22
Surface area 5.540665364341E+15
Circumference 131933747.02711

Square

Length = n
Perimeter 83991632
Area 440912140376464
Diagonal 29695526.275063

Cube

Length = n
Surface area 2645472842258784
Volume 9.2582325597081E+21
Space diagonal 36369443.508657

Equilateral Triangle

Length = n
Perimeter 62993724
Area 1.9092055720149E+14
Altitude 18184721.754328

Triangular Pyramid

Length = n
Surface area 1.9092055720149E+14
Volume 1.0910931707953E+21
Height 9898508.7583542