20081397 (number)

20081397 is an odd 8-digits composite number following 20081396 and preceding 20081398. In scientific notation, it is written as 2.0081397 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10964160 positive integers (up to 20081397) that are relatively prime to 20081397.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand three hundred ninety-seven

Notation

Scientific notation 2.0081397 × 10^7
Engineering notation 2.0081397 × 10^6

Prime Factorization of 20081397

Prime Factorization 21 × 31 × 283 × 109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20081397
Product of the distinct prime numbers

The prime factorization of 20081397 is 21 × 31 × 283 × 109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 65, 59, 52, 819, 2468, 2821, 39159, 10432, 535901, 257243, 2914396, 9493266, 43155888, 20759589, 572717027, 963890807, 2463329369, 3891069160

Basic calculations (n = 20081397)

Multiplication

n×y
n×2 40162794
n×3 60244191
n×4 80325588
n×5 100406985

Division

n÷y
n÷2 10040698.5
n÷3 6693799
n÷3 5020349.25
n÷5 4016279.4

Exponentiation

ny
n2 403262505471609
n3 8.0980744675901E+21
n4 1.6262064831924E+29
n5 3.265649799296E+36

Nth Root

y√n
2√n 4481.2271756741
3√n 271.80950564006
4√n 66.941968716748
5√n 28.877446265823

Divisors of 20081397

1, 21, 31, 109, 283, 651, 2289, 3379, 5943, 8773, 30847, 70959, 184233, 647787, 956257, 20081397

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081396
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081397 can be divided by 16 positive divisors. The sum of these divisors (counting 20081397) is 1, the average is 0.0625.

Base conversion 20081397

Base System Value
2 Binary 1001100100110101011110101
3 Ternary 1101210020111110
4 Quaternary 1030212223311
5 Quinary 20120101042
6 Senary 1554225233
8 Octal 114465365
10 Decimal 20081397
12 Duodecimal 6885219
16 Hexadecimal 1326af5
20 Vigesimal 65a39h
36 Base36 byewl

Cryptographic Hash Functions

md5 0099eaaa88d33c5cf7a584f71d052b7d
sha1 a5a6a9aa3171d7e00ac489351329805d28449374
sha256 d0abb1e67c770593388ff22f0c3770d9d6ae806502b27a91397af18e3b03239c
sha512 c39caca2c3c45b9c95966ecc26092eabca9170f0875c3f6c8ca917c7c46be5abeeb74376d1aaf08aff931c7c2e45ec7f31817249456dcfe7d3a239df8336ad04
ripemd-160 af2853c62dbd4090a8778d7435734f2efe25e901

20081397 as geometric shapes

Circle

Radius = n
Diameter 40162794
Circumference 126175138.57804
Area 1.2668865246578E+15

Sphere

Radius = n
Volume 3.3921135007472E+22
Surface area 5.0675460986313E+15
Circumference 126175138.57804

Square

Length = n
Perimeter 80325588
Area 403262505471609
Diagonal 28399383.988798

Cube

Length = n
Surface area 2419575032829654
Volume 8.0980744675901E+21
Space diagonal 34781999.890961

Equilateral Triangle

Length = n
Perimeter 60244191
Area 1.7461778706609E+14
Altitude 17390999.945481

Triangular Pyramid

Length = n
Surface area 1.7461778706609E+14
Volume 9.5436722843109E+20
Height 9466461.3295995