16181997 (number)

16181997 is an odd 8-digits composite number following 16181996 and preceding 16181998. In scientific notation, it is written as 1.6181997 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 9958128 positive integers (up to 16181997) that are relatively prime to 16181997.

Interesting facts

Basic properties

Name

Name sixteen million one hundred eighty-one thousand nine hundred ninety-seven

Notation

Scientific notation 1.6181997 × 10^7
Engineering notation 1.6181997 × 10^6

Prime Factorization of 16181997

Prime Factorization 3 × 13 × 414923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16181997
Product of the distinct prime numbers

The prime factorization of 16181997 is 3 × 13 × 414923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16181997)

Multiplication

n×y
n×2 32363994
n×3 48545991
n×4 64727988
n×5 80909985

Division

n÷y
n÷2 8090998.5
n÷3 5393999
n÷3 4045499.25
n÷5 3236399.4

Exponentiation

ny
n2 261857026908009
n3 4.2373696238543E+21
n4 6.8569102541102E+28
n5 1.1095850116128E+36

Nth Root

y√n
2√n 4022.6852971616
3√n 252.93603448863
4√n 63.424642664832
5√n 27.657086198905

Divisors of 16181997

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 -16181996
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 16181997 can be divided by 8 positive divisors. The sum of these divisors (counting 16181997) is 1, the average is 0.125.

Base conversion 16181997

Base System Value
2 Binary 111101101110101011101101
3 Ternary 1010110010112020
4 Quaternary 331232223231
5 Quinary 13120310442
6 Senary 1334500353
8 Octal 75565355
10 Decimal 16181997
12 Duodecimal 55046b9
16 Hexadecimal f6eaed
20 Vigesimal 512ejh
36 Base36 9mu3x

Cryptographic Hash Functions

md5 cf112fa3c53189787213b4abe5f88ef3
sha1 4a8946f610b1403a7bf134faa78b7a6251910283
sha256 99e701a68aac01dc29bb91351c59c150b7bc6c9bd10d3c2729792809173bdbcf
sha512 53b2fee288f931f3e514f31ebda728c06f35b81dcb5af5af6617dde2d8b69f1febdae488a1be96ed37934adec72fb7c4f67e1e3585cffc8c0345d43a339a81cf
ripemd-160 4122972d28a45ca6306f4046dc3fe76e07055518

16181997 as geometric shapes

Circle

Radius = n
Diameter 32363994
Circumference 101674485.79122
Area 8.2264811202507E+14

Sphere

Radius = n
Volume 1.774945237446E+22
Surface area 3.2905924481003E+15
Circumference 101674485.79122

Square

Length = n
Perimeter 64727988
Area 261857026908009
Diagonal 22884799.623681

Cube

Length = n
Surface area 1571142161448054
Volume 4.2373696238543E+21
Space diagonal 28028040.971927

Equilateral Triangle

Length = n
Perimeter 48545991
Area 1.133874187309E+14
Altitude 14014020.485964

Triangular Pyramid

Length = n
Surface area 1.133874187309E+14
Volume 4.9937879923688E+20
Height 7628266.5412269