16947981 (number)

16947981 is an odd 8-digits composite number following 16947980 and preceding 16947982. In scientific notation, it is written as 1.6947981 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 10703664 positive integers (up to 16947981) that are relatively prime to 16947981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6947981 × 10^7
Engineering notation 1.6947981 × 10^6

Prime Factorization of 16947981

Prime Factorization 9 × 3 × 19 × 33037

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16947981
Product of the distinct prime numbers

The prime factorization of 16947981 is 9 × 3 × 19 × 33037. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 6, 99, 504, 624, 4972, 4692, 59895, 37684, 708502, 547533, 5268376, 4136576, 1618408, 7652554, 964893454, 277846708, 1943657082, 3696743652

Basic calculations (n = 16947981)

Multiplication

n×y
n×2 33895962
n×3 50843943
n×4 67791924
n×5 84739905

Division

n÷y
n÷2 8473990.5
n÷3 5649327
n÷3 4236995.25
n÷5 3389596.2

Exponentiation

ny
n2 287234059976361
n3 4.8680373910322E+21
n4 8.2503405210504E+28
n5 1.3982661439429E+36

Nth Root

y√n
2√n 4116.7925621775
3√n 256.86562542377
4√n 64.162236262287
5√n 27.914097666899

Divisors of 16947981

1, 3, 9, 19, 27, 57, 171, 513, 33037, 99111, 297333, 627703, 891999, 1883109, 5649327, 16947981

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 -16947980
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 16947981 can be divided by 16 positive divisors. The sum of these divisors (counting 16947981) is 1, the average is 0.0625.

Base conversion 16947981

Base System Value
2 Binary 1000000101001101100001101
3 Ternary 1011220001021000
4 Quaternary 1000221230031
5 Quinary 13314313411
6 Senary 1403130513
8 Octal 100515415
10 Decimal 16947981
12 Duodecimal 5813a39
16 Hexadecimal 1029b0d
20 Vigesimal 55i9j1
36 Base36 a3959

Cryptographic Hash Functions

md5 3daefceb9b101bd82529531bf15921fe
sha1 d7cd373cb96f7b84f8c75a8352b1b196bdc16786
sha256 4b56db36c46797029e55198db6206f2bf19eb1cc59e248d62f1c936700c77023
sha512 cec70a38870fdc3f625ace5dd17f6f93f56a3b5ed942b9edd6475612cd78cafc5277d742d8c0a5958777044e85a57fdcd3bcd770cf82e119792921901a331de9
ripemd-160 f18fa8121c5cc160f528028bb216ac8f133fba22

16947981 as geometric shapes

Circle

Radius = n
Diameter 33895962
Circumference 106487305.20556
Area 9.0237241268251E+14

Sphere

Radius = n
Volume 2.039118734009E+22
Surface area 3.60948965073E+15
Circumference 106487305.20556

Square

Length = n
Perimeter 67791924
Area 287234059976361
Diagonal 23968064.585042

Cube

Length = n
Surface area 1723404359858166
Volume 4.8680373910322E+21
Space diagonal 29354764.177712

Equilateral Triangle

Length = n
Perimeter 50843943
Area 1.2437599638584E+14
Altitude 14677382.088856

Triangular Pyramid

Length = n
Surface area 1.2437599638584E+14
Volume 5.7370370837809E+20
Height 7989354.8616805