91991420 (number)

91991420 is an even 8-digits composite number following 91991419 and preceding 91991421. In scientific notation, it is written as 9.1991420 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 34631936 positive integers (up to 91991420) that are relatively prime to 91991420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991420 × 10^7
Engineering notation 9.1991420 × 10^6

Prime Factorization of 91991420

Prime Factorization 2 × 2 × 5 × 17 × 270563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 45995710
Product of the distinct prime numbers

The prime factorization of 91991420 is 2 × 2 × 5 × 17 × 270563. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 50, 86, 21, 359, 7346, 9971, 31552, 96520, 547377, 118034, 4888448, 4015112, 24214400, 55241149, 304765269, 812655971, 4002688677, 4155589579

Basic calculations (n = 91991420)

Multiplication

n×y
n×2 183982840
n×3 275974260
n×4 367965680
n×5 459957100

Division

n÷y
n÷2 45995710
n÷3 30663806.666667
n÷3 22997855
n÷5 18398284

Exponentiation

ny
n2 8462421353616400
n3 7.7847015695749E+23
n4 7.1612575166143E+31
n5 6.5877424793902E+39

Nth Root

y√n
2√n 9591.2157727788
3√n 451.42170934778
4√n 97.934752630406
5√n 39.1515954546

Divisors of 91991420

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 270563, 541126, 1082252, 1352815, 2705630, 4599571, 5411260, 9199142, 18398284, 22997855, 45995710, 91991420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91991419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91991420 can be divided by 24 positive divisors. The sum of these divisors (counting 91991420) is 1, the average is 0.041666666666667.

Base conversion 91991420

Base System Value
2 Binary 101011110111010110101111100
3 Ternary 20102002122111122
4 Quaternary 11132322311330
5 Quinary 142022211140
6 Senary 13043410112
8 Octal 536726574
10 Decimal 91991420
12 Duodecimal 26983938
16 Hexadecimal 57bad7c
20 Vigesimal 18eiib0
36 Base36 1irp18

Cryptographic Hash Functions

md5 36dbea7fd491be617235f912ada96c78
sha1 2a735afffe31e7919f6951e49250dfaf9a5de6f2
sha256 c23d8c1c8e67318bfee1b9310e64ec33d3e8366d59c0637f0f772eef0b4a21c9
sha512 fb7d4599cbaba2a0792d7fa1740a662148459914716612c36485e7220aec65f1e0973023f398d343959340f16a669492989d79016c92e0075a500505e1b1ba05
ripemd-160 a1534dafa6350917c64de4bf3aff470317b2a767

91991420 as geometric shapes

Circle

Radius = n
Diameter 183982840
Circumference 577999138.53059
Area 2.6585480756103E+16

Sphere

Radius = n
Volume 3.2608481681821E+24
Surface area 1.0634192302441E+17
Circumference 577999138.53059

Square

Length = n
Perimeter 367965680
Area 8462421353616400
Diagonal 130095513.78596

Cube

Length = n
Surface area 50774528121698400
Volume 7.7847015695749E+23
Space diagonal 159333813.30041

Equilateral Triangle

Length = n
Perimeter 275974260
Area 3.6643359348798E+15
Altitude 79666906.650204

Triangular Pyramid

Length = n
Surface area 3.6643359348798E+15
Volume 9.1743587822667E+22
Height 43365171.261987