16156981 (number)

16156981 is an odd 8-digits composite number following 16156980 and preceding 16156982. In scientific notation, it is written as 1.6156981 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 16147264 positive integers (up to 16156981) that are relatively prime to 16156981.

Interesting facts

Basic properties

Name

Name sixteen million one hundred fifty-six thousand nine hundred eighty-one

Notation

Scientific notation 1.6156981 × 10^7
Engineering notation 1.6156981 × 10^6

Prime Factorization of 16156981

Prime Factorization 2129 × 7589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16156981
Product of the distinct prime numbers

The prime factorization of 16156981 is 2129 × 7589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16156981)

Multiplication

n×y
n×2 32313962
n×3 48470943
n×4 64627924
n×5 80784905

Division

n÷y
n÷2 8078490.5
n÷3 5385660.3333333
n÷3 4039245.25
n÷5 3231396.2

Exponentiation

ny
n2 261048035034361
n3 4.2177481421375E+21
n4 6.8146076595301E+28
n5 1.1010348647748E+36

Nth Root

y√n
2√n 4019.5747287493
3√n 252.8056280209
4√n 63.400116157222
5√n 27.648529802628

Divisors of 16156981

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 -16156980
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 16156981 can be divided by 4 positive divisors. The sum of these divisors (counting 16156981) is 1, the average is 0.25.

Base conversion 16156981

Base System Value
2 Binary 111101101000100100110101
3 Ternary 1010101212012201
4 Quaternary 331220210311
5 Quinary 13114010411
6 Senary 1334144501
8 Octal 75504465
10 Decimal 16156981
12 Duodecimal 54b2131
16 Hexadecimal f68935
20 Vigesimal 50jc91
36 Base36 9mat1

Cryptographic Hash Functions

md5 52630fadb8e1836c03e6baea936f64fa
sha1 dae3a4a3d029101a539012642d1d1be7cc9d7459
sha256 7be99528f3ee6ed763ca9d827b404cead7c7a62e2a06fe6bf64a694a45c1b89d
sha512 9e48780070666c0525704248a0604effa8b8d627b756276ffd09d5dc2d509606a3e18ec41a8bb267daea82b9c99fab54a305206750dba8e0517b224c30e1897b
ripemd-160 ad172ae4746aee628612bbe56c1829cc47d2c868

16156981 as geometric shapes

Circle

Radius = n
Diameter 32313962
Circumference 101517305.62758
Area 8.20106589098E+14

Sphere

Radius = n
Volume 1.7667262104042E+22
Surface area 3.280426356392E+15
Circumference 101517305.62758

Square

Length = n
Perimeter 64627924
Area 261048035034361
Diagonal 22849421.657204

Cube

Length = n
Surface area 1566288210206166
Volume 4.2177481421375E+21
Space diagonal 27984711.988925

Equilateral Triangle

Length = n
Perimeter 48470943
Area 1.1303711497388E+14
Altitude 13992355.994463

Triangular Pyramid

Length = n
Surface area 1.1303711497388E+14
Volume 4.970663854404E+20
Height 7616473.8857348