16961981 (number)

16961981 is an odd 8-digits composite number following 16961980 and preceding 16961982. In scientific notation, it is written as 1.6961981 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 16849500 positive integers (up to 16961981) that are relatively prime to 16961981.

Interesting facts

Basic properties

Name

Name sixteen million nine hundred sixty-one thousand nine hundred eighty-one

Notation

Scientific notation 1.6961981 × 10^7
Engineering notation 1.6961981 × 10^6

Prime Factorization of 16961981

Prime Factorization 151 × 112331

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16961981
Product of the distinct prime numbers

The prime factorization of 16961981 is 151 × 112331. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16961981)

Multiplication

n×y
n×2 33923962
n×3 50885943
n×4 67847924
n×5 84809905

Division

n÷y
n÷2 8480990.5
n÷3 5653993.6666667
n÷3 4240495.25
n÷5 3392396.2

Exponentiation

ny
n2 287708799444361
n3 4.8801111897081E+21
n4 8.2776353277716E+28
n5 1.4040509315459E+36

Nth Root

y√n
2√n 4118.4925640336
3√n 256.93633451512
4√n 64.175482577333
5√n 27.918707871536

Divisors of 16961981

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 -16961980
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 16961981 can be divided by 4 positive divisors. The sum of these divisors (counting 16961981) is 1, the average is 0.25.

Base conversion 16961981

Base System Value
2 Binary 1000000101101000110111101
3 Ternary 1011220202110112
4 Quaternary 1000231012331
5 Quinary 13320240411
6 Senary 1403315405
8 Octal 100550675
10 Decimal 16961981
12 Duodecimal 581bb65
16 Hexadecimal 102d1bd
20 Vigesimal 5604j1
36 Base36 a3jy5

Cryptographic Hash Functions

md5 22bf386dc1063b12db14c7703c46736d
sha1 001ce5a7e641861bc4476fa0356411ae38dd3e0c
sha256 13a3c7381d2738f6e3ee5d54d01d6816da743bdbee8e4852ea885c433ecc56fe
sha512 a18b14489bb9c1a7d2761341304e945fb05253ecb8649c8ec67f15626f2278f5d273a31e28d3f34543148dae5d53e21614c63ef6f8e4939d22764ca53757a80a
ripemd-160 81dd7565f14d86b97120a87ed62cbec2cfd2e7a8

16961981 as geometric shapes

Circle

Radius = n
Diameter 33923962
Circumference 106575269.79986
Area 9.0386385070754E+14

Sphere

Radius = n
Volume 2.0441761949718E+22
Surface area 3.6154554028302E+15
Circumference 106575269.79986

Square

Length = n
Perimeter 67847924
Area 287708799444361
Diagonal 23987863.574915

Cube

Length = n
Surface area 1726252796666166
Volume 4.8801111897081E+21
Space diagonal 29379012.889018

Equilateral Triangle

Length = n
Perimeter 50885943
Area 1.2458156460557E+14
Altitude 14689506.444509

Triangular Pyramid

Length = n
Surface area 1.2458156460557E+14
Volume 5.7512661919782E+20
Height 7995954.5249716