16401989 (number)

16401989 is an odd 8-digits composite number following 16401988 and preceding 16401990. In scientific notation, it is written as 1.6401989 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 15957360 positive integers (up to 16401989) that are relatively prime to 16401989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6401989 × 10^7
Engineering notation 1.6401989 × 10^6

Prime Factorization of 16401989

Prime Factorization 37 × 37 × 11981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 443297
Product of the distinct prime numbers

The prime factorization of 16401989 is 37 × 37 × 11981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16401989)

Multiplication

n×y
n×2 32803978
n×3 49205967
n×4 65607956
n×5 82009945

Division

n÷y
n÷2 8200994.5
n÷3 5467329.6666667
n÷3 4100497.25
n÷5 3280397.8

Exponentiation

ny
n2 269025243156121
n3 4.412549078969E+21
n4 7.237458145521E+28
n5 1.187087088908E+36

Nth Root

y√n
2√n 4049.9369130889
3√n 254.07708925519
4√n 63.639114647274
5√n 27.73187942445

Divisors of 16401989

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16401988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16401989 can be divided by 6 positive divisors. The sum of these divisors (counting 16401989) is 1, the average is 0.16666666666667.

Base conversion 16401989

Base System Value
2 Binary 111110100100011001000101
3 Ternary 1010212022022002
4 Quaternary 332210121011
5 Quinary 13144330424
6 Senary 1343315045
8 Octal 76443105
10 Decimal 16401989
12 Duodecimal 55aba85
16 Hexadecimal fa4645
20 Vigesimal 52a4j9
36 Base36 9rjut

Cryptographic Hash Functions

md5 2503ca53780760c417ca071b8b2bd11e
sha1 98d44ad62740a0c7eb92f14b456abefc504ea9fd
sha256 6fb817c8db13a1e0f853cd9b57d12c126859593a008ca076d38c0248e320e1ec
sha512 1955a90c586018f2f85b9739b20377aee29cba75ca482f9f94ee0e0775e70c99cb375a314d049a1aabcfb264adcaef9097cce8251bfd1e99a5ac827e1c16cc5c
ripemd-160 fb6f8b40abdf0192a066c4e036bf2556e8bbce13

16401989 as geometric shapes

Circle

Radius = n
Diameter 32803978
Circumference 103056736.29332
Area 8.4516772752948E+14

Sphere

Radius = n
Volume 1.8483242360125E+22
Surface area 3.3806709101179E+15
Circumference 103056736.29332

Square

Length = n
Perimeter 65607956
Area 269025243156121
Diagonal 23195915.293694

Cube

Length = n
Surface area 1614151458936726
Volume 4.412549078969E+21
Space diagonal 28409078.293186

Equilateral Triangle

Length = n
Perimeter 49205967
Area 1.1649134741624E+14
Altitude 14204539.146593

Triangular Pyramid

Length = n
Surface area 1.1649134741624E+14
Volume 5.2002389600958E+20
Height 7731971.7645648