145855985 (number)

145855985 is an odd 9-digits composite number following 145855984 and preceding 145855986. In scientific notation, it is written as 1.45855985 × 10^8. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 104491200 positive integers (up to 145855985) that are relatively prime to 145855985.

Interesting facts

Basic properties

Name

Name one hundred forty-five million eight hundred fifty-five thousand nine hundred eighty-five

Notation

Scientific notation 1.45855985 × 10^8
Engineering notation 1.45855985 × 10^6

Prime Factorization of 145855985

Prime Factorization 5 × 11 × 67 × 39581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 145855985
Product of the distinct prime numbers

The prime factorization of 145855985 is 5 × 11 × 67 × 39581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 20, 89, 647, 759, 663, 2137, 46226, 92877, 878508, 70698, 1785220, 9303723, 12850539, 61304607, 337576381, 279358648, 7928464619, 8751448984

Basic calculations (n = 145855985)

Multiplication

n×y
n×2 291711970
n×3 437567955
n×4 583423940
n×5 729279925

Division

n÷y
n÷2 72927992.5
n÷3 48618661.666667
n÷3 36463996.25
n÷5 29171197

Exponentiation

ny
n2 21273968360320225
n3 3.1029356100533E+24
n4 4.5258172979591E+32
n5 6.6011753992386E+40

Nth Root

y√n
2√n 12077.085120177
3√n 526.39055097898
4√n 109.89579209495
5√n 42.932368750112

Divisors of 145855985

1, 5, 11, 55, 67, 335, 737, 3685, 39581, 197905, 435391, 2176955, 2651927, 13259635, 29171197, 145855985

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 -145855984
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 145855985 can be divided by 16 positive divisors. The sum of these divisors (counting 145855985) is 1, the average is 0.0625.

Base conversion 145855985

Base System Value
2 Binary 1000101100011001010111110001
3 Ternary 101011110020210112
4 Quaternary 20230121113301
5 Quinary 244314342420
6 Senary 22250111105
8 Octal 1054312761
10 Decimal 145855985
12 Duodecimal 40a1b495
16 Hexadecimal 8b195f1
20 Vigesimal 25bbjj5
36 Base36 2eu775

Cryptographic Hash Functions

md5 da91af7c26c79f01dd350a4c789428db
sha1 018c04c571c39488f68bb1b65e4e9331b1804f11
sha256 9c1b11d0c38d88a84efe5924e0b56431ff432f310b942a5f31729de23eb0a7e6
sha512 1289fd8d330d2aca30f33276454b149e522e3ee70ba65ee23cbfd723e70c6b103d40f09a1e9c146563071eacecb0e22061ef6c4a0d53a0782b44c470878a0b87
ripemd-160 b38b2a1cba70868538f0dc8b8d249774dfab51aa

145855985 as geometric shapes

Circle

Radius = n
Diameter 291711970
Circumference 916440181.91621
Area 6.6834142713484E+16

Sphere

Radius = n
Volume 1.2997546289474E+25
Surface area 2.6733657085393E+17
Circumference 916440181.91621

Square

Length = n
Perimeter 583423940
Area 21273968360320225
Diagonal 206271512.14029

Cube

Length = n
Surface area 127643810161921350
Volume 3.1029356100533E+24
Space diagonal 252629976.608

Equilateral Triangle

Length = n
Perimeter 437567955
Area 9.2118985196718E+15
Altitude 126314988.304

Triangular Pyramid

Length = n
Surface area 9.2118985196718E+15
Volume 3.6568446857566E+23
Height 68757170.713429