145856987 (number)

145856987 is an odd 9-digits composite number following 145856986 and preceding 145856988. In scientific notation, it is written as 1.45856987 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 145557000 positive integers (up to 145856987) that are relatively prime to 145856987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.45856987 × 10^8
Engineering notation 1.45856987 × 10^6

Prime Factorization of 145856987

Prime Factorization 487 × 299501

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 145856987
Product of the distinct prime numbers

The prime factorization of 145856987 is 487 × 299501. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 63, 55, 672, 332, 9275, 2820, 25818, 3473, 558141, 723665, 6532847, 5197531, 68603392, 21573540, 540540053, 608203230, 7230926054, 1871566682

Basic calculations (n = 145856987)

Multiplication

n×y
n×2 291713974
n×3 437570961
n×4 583427948
n×5 729284935

Division

n÷y
n÷2 72928493.5
n÷3 48618995.666667
n÷3 36464246.75
n÷5 29171397.4

Exponentiation

ny
n2 21274260656718169
n3 3.1029995600416E+24
n4 4.5259416648999E+32
n5 6.6014021458006E+40

Nth Root

y√n
2√n 12077.126603626
3√n 526.39175637375
4√n 109.89598083472
5√n 42.932427737222

Divisors of 145856987

1, 487, 299501, 145856987

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 -145856986
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 145856987 can be divided by 4 positive divisors. The sum of these divisors (counting 145856987) is 1, the average is 0.25.

Base conversion 145856987

Base System Value
2 Binary 1000101100011001100111011011
3 Ternary 101011110022011122
4 Quaternary 20230121213123
5 Quinary 244314410422
6 Senary 22250115455
8 Octal 1054314733
10 Decimal 145856987
12 Duodecimal 40a1bb8b
16 Hexadecimal 8b199db
20 Vigesimal 25bc297
36 Base36 2eu7yz

Cryptographic Hash Functions

md5 f6629a269500258f22865f86edc750fb
sha1 457b80693752f33e1cb9399284da7dd28d848a07
sha256 e3045b1c7e875dc3c101646788c99711b869a35c872f386ccc6b41420d0c5676
sha512 21516ffc2968de24f6eb45b07f33b82d486ba028cef993cb0b084f31e37c191338c3c8952c4f53b80be592ba3f39ff6c1a1216e37cf1b4b50296a8335df2b60a
ripemd-160 a14d824191bdbadea70004f6f08b1ea4066e6591

145856987 as geometric shapes

Circle

Radius = n
Diameter 291713974
Circumference 916446477.66788
Area 6.68350609897E+16

Sphere

Radius = n
Volume 1.2997814162559E+25
Surface area 2.673402439588E+17
Circumference 916446477.66788

Square

Length = n
Perimeter 583427948
Area 21274260656718169
Diagonal 206272929.18228

Cube

Length = n
Surface area 127645563940309014
Volume 3.1029995600416E+24
Space diagonal 252631712.12291

Equilateral Triangle

Length = n
Perimeter 437570961
Area 9.2120250877249E+15
Altitude 126315856.06146

Triangular Pyramid

Length = n
Surface area 9.2120250877249E+15
Volume 3.6569200515404E+23
Height 68757643.060759