91990421 (number)

91990421 is an odd 8-digits composite number following 91990420 and preceding 91990422. In scientific notation, it is written as 9.1990421 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 90033132 positive integers (up to 91990421) that are relatively prime to 91990421.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety thousand four hundred twenty-one

Notation

Scientific notation 9.1990421 × 10^7
Engineering notation 9.1990421 × 10^6

Prime Factorization of 91990421

Prime Factorization 47 × 1957243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91990421
Product of the distinct prime numbers

The prime factorization of 91990421 is 47 × 1957243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91990421)

Multiplication

n×y
n×2 183980842
n×3 275971263
n×4 367961684
n×5 459952105

Division

n÷y
n÷2 45995210.5
n÷3 30663473.666667
n÷3 22997605.25
n÷5 18398084.2

Exponentiation

ny
n2 8462237555757241
n3 7.7844479535612E+23
n4 7.1609464450068E+31
n5 6.5873847823463E+39

Nth Root

y√n
2√n 9591.1636937339
3√n 451.42007523915
4√n 97.934486743608
5√n 39.151510419248

Divisors of 91990421

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 -91990420
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 91990421 can be divided by 4 positive divisors. The sum of these divisors (counting 91990421) is 1, the average is 0.25.

Base conversion 91990421

Base System Value
2 Binary 101011110111010100110010101
3 Ternary 20102002121010122
4 Quaternary 11132322212111
5 Quinary 142022143141
6 Senary 13043401325
8 Octal 536724625
10 Decimal 91990421
12 Duodecimal 26983245
16 Hexadecimal 57ba995
20 Vigesimal 18eig11
36 Base36 1iro9h

Cryptographic Hash Functions

md5 0a3a3cc46b45282be852c082412fbb6c
sha1 50e85ec07d5cc9f757db3c8adf8073000d427b62
sha256 877c2f39109a83b2efd4c2c65947109ad27d9726863cdc2ef35131fe1f51b5cf
sha512 14b969c23ec068bf07bc3fbff180de77847bf1314f1eb838e90a23490cd13f1448240b2b1d01a6c5f2010f77ccc50e71158675ac541e3f4cdb793ac03f1d40f8
ripemd-160 5a841e0568ea641b7dad1285aa283434e756c089

91990421 as geometric shapes

Circle

Radius = n
Diameter 183980842
Circumference 577992861.62846
Area 2.6584903338099E+16

Sphere

Radius = n
Volume 3.2607419337547E+24
Surface area 1.0633961335239E+17
Circumference 577992861.62846

Square

Length = n
Perimeter 367961684
Area 8462237555757241
Diagonal 130094100.98661

Cube

Length = n
Surface area 50773425334543446
Volume 7.7844479535612E+23
Space diagonal 159332082.98165

Equilateral Triangle

Length = n
Perimeter 275971263
Area 3.6642563480723E+15
Altitude 79666041.490826

Triangular Pyramid

Length = n
Surface area 3.6642563480723E+15
Volume 9.1740598929281E+22
Height 43364700.32887