16401985 (number)

16401985 is an odd 8-digits composite number following 16401984 and preceding 16401986. In scientific notation, it is written as 1.6401985 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 12906240 positive integers (up to 16401985) that are relatively prime to 16401985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6401985 × 10^7
Engineering notation 1.6401985 × 10^6

Prime Factorization of 16401985

Prime Factorization 5 × 61 × 53777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16401985
Product of the distinct prime numbers

The prime factorization of 16401985 is 5 × 61 × 53777. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16401985)

Multiplication

n×y
n×2 32803970
n×3 49205955
n×4 65607940
n×5 82009925

Division

n÷y
n÷2 8200992.5
n÷3 5467328.3333333
n÷3 4100496.25
n÷5 3280397

Exponentiation

ny
n2 269025111940225
n3 4.4125458506669E+21
n4 7.2374510854451E+28
n5 1.187085641417E+36

Nth Root

y√n
2√n 4049.936419254
3√n 254.07706860102
4√n 63.63911076731
5√n 27.731878071839

Divisors of 16401985

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 -16401984
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 16401985 can be divided by 8 positive divisors. The sum of these divisors (counting 16401985) is 1, the average is 0.125.

Base conversion 16401985

Base System Value
2 Binary 111110100100011001000001
3 Ternary 1010212022021221
4 Quaternary 332210121001
5 Quinary 13144330420
6 Senary 1343315041
8 Octal 76443101
10 Decimal 16401985
12 Duodecimal 55aba81
16 Hexadecimal fa4641
20 Vigesimal 52a4j5
36 Base36 9rjup

Cryptographic Hash Functions

md5 e62bf5c2af0b34a1e8183a8c479c7c71
sha1 215d9a2050fb5890ee57186d703f1891f9ab7f42
sha256 ec07f228d48401be66193168cc2f5499b3e54534a420d3ce0ea0fa49f261da16
sha512 8fba8a15add654ad3428cb3004cec35df273d2a9b9a9996fe6143bfeb7b7f49e32c5154fdc712d8c2ee755fb0bb4d352300b9718aa928bb54f0a9ae583262d8b
ripemd-160 692f53fa39bc8dda275643c8c8085484f610b9fe

16401985 as geometric shapes

Circle

Radius = n
Diameter 32803970
Circumference 103056711.16058
Area 8.4516731530258E+14

Sphere

Radius = n
Volume 1.8483228837444E+22
Surface area 3.3806692612103E+15
Circumference 103056711.16058

Square

Length = n
Perimeter 65607940
Area 269025111940225
Diagonal 23195909.63684

Cube

Length = n
Surface area 1614150671641350
Volume 4.4125458506669E+21
Space diagonal 28409071.364983

Equilateral Triangle

Length = n
Perimeter 49205955
Area 1.1649129059809E+14
Altitude 14204535.682491

Triangular Pyramid

Length = n
Surface area 1.1649129059809E+14
Volume 5.2002351555052E+20
Height 7731969.8789467