90505989 (number)

90505989 is an odd 8-digits composite number following 90505988 and preceding 90505990. In scientific notation, it is written as 9.0505989 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 49463568 positive integers (up to 90505989) that are relatively prime to 90505989.

Interesting facts

Basic properties

Name

Name ninety million five hundred five thousand nine hundred eighty-nine

Notation

Scientific notation 9.0505989 × 10^7
Engineering notation 9.0505989 × 10^6

Prime Factorization of 90505989

Prime Factorization 21 × 69 × 7 × 8923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 90505989
Product of the distinct prime numbers

The prime factorization of 90505989 is 21 × 69 × 7 × 8923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 35, 65, 141, 243, 8704, 1666, 26245, 39080, 895960, 194254, 5238648, 3157920, 11984863, 54772571, 526293151, 256896531, 4767893899, 7570523400

Basic calculations (n = 90505989)

Multiplication

n×y
n×2 181011978
n×3 271517967
n×4 362023956
n×5 452529945

Division

n÷y
n÷2 45252994.5
n÷3 30168663
n÷3 22626497.25
n÷5 18101197.8

Exponentiation

ny
n2 8191334044868121
n3 7.4136478896016E+23
n4 6.7097953434616E+31
n5 6.0727666354758E+39

Nth Root

y√n
2√n 9513.4635648643
3√n 448.97873587093
4√n 97.536985625271
5√n 39.024330736891

Divisors of 90505989

1, 7, 21, 69, 147, 483, 1449, 8923, 10143, 62461, 187383, 615687, 1311681, 4309809, 12929427, 90505989

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 -90505988
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 90505989 can be divided by 16 positive divisors. The sum of these divisors (counting 90505989) is 1, the average is 0.0625.

Base conversion 90505989

Base System Value
2 Binary 101011001010000001100000101
3 Ternary 20022022011212200
4 Quaternary 11121100030011
5 Quinary 141132142424
6 Senary 12551505113
8 Octal 531201405
10 Decimal 90505989
12 Duodecimal 26388199
16 Hexadecimal 5650305
20 Vigesimal 185d4j9
36 Base36 1hvuv9

Cryptographic Hash Functions

md5 0e2ccb5cdf3424522ee721ee1ba05238
sha1 e3b8f7cbca2aaf0ae6cc75070e84b534fe593e54
sha256 035a174a3e4ad76064e9019c2990f5dd5877bcbb9d1129c1ad3a29290ec7918a
sha512 dfc517655e074add81a9ffdaaf22c23a4488ab2579b525f266ca440802337dbd0dc70912dbda648418347d531a56ba2e4debe93c91c0fc377b9fab31622716a0
ripemd-160 57fd6495bbcc1d089dbed353271824fed12d7af9

90505989 as geometric shapes

Circle

Radius = n
Diameter 181011978
Circumference 568665900.29656
Area 2.5733834858458E+16

Sphere

Radius = n
Volume 3.1054215661698E+24
Surface area 1.0293533943383E+17
Circumference 568665900.29656

Square

Length = n
Perimeter 362023956
Area 8191334044868121
Diagonal 127994797.11979

Cube

Length = n
Surface area 49148004269208726
Volume 7.4136478896016E+23
Space diagonal 156760971.33727

Equilateral Triangle

Length = n
Perimeter 271517967
Area 3.5469516868701E+15
Altitude 78380485.668635

Triangular Pyramid

Length = n
Surface area 3.5469516868701E+15
Volume 8.7370678267777E+22
Height 42664932.373263