91991407 (number)

91991407 is an odd 8-digits composite number following 91991406 and preceding 91991408. In scientific notation, it is written as 9.1991407 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 86973120 positive integers (up to 91991407) that are relatively prime to 91991407.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991407 × 10^7
Engineering notation 9.1991407 × 10^6

Prime Factorization of 91991407

Prime Factorization 19 × 521 × 9293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91991407
Product of the distinct prime numbers

The prime factorization of 91991407 is 19 × 521 × 9293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991407)

Multiplication

n×y
n×2 183982814
n×3 275974221
n×4 367965628
n×5 459957035

Division

n÷y
n÷2 45995703.5
n÷3 30663802.333333
n÷3 22997851.75
n÷5 18398281.4

Exponentiation

ny
n2 8462418961839649
n3 7.7846982692311E+23
n4 7.1612534685703E+31
n5 6.5877378245741E+39

Nth Root

y√n
2√n 9591.2150950753
3√n 451.42168808318
4√n 97.934749170431
5√n 39.151594348038

Divisors of 91991407

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91991406
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91991407 can be divided by 8 positive divisors. The sum of these divisors (counting 91991407) is 1, the average is 0.125.

Base conversion 91991407

Base System Value
2 Binary 101011110111010110101101111
3 Ternary 20102002122111011
4 Quaternary 11132322311233
5 Quinary 142022211112
6 Senary 13043410051
8 Octal 536726557
10 Decimal 91991407
12 Duodecimal 26983927
16 Hexadecimal 57bad6f
20 Vigesimal 18eiia7
36 Base36 1irp0v

Cryptographic Hash Functions

md5 e57e12e3ea79d6df90523c1e7d5f3692
sha1 72673e44a76647f8c53e8a508735144bd03d83e1
sha256 1e17a94c49023d948bde9660b6c8c57df0434cc83b80e90fcb58dabea9dc72de
sha512 4a9e15c741a554aba369412799335aba8f1abfd606fd115cb81f78069ca4dc0c2ffdf94584d5589bebb05841524acc7487aad092f6c2e4b745d4ace039edf5f9
ripemd-160 52b1e9b66659649be2399b908503ffcdf0e428f9

91991407 as geometric shapes

Circle

Radius = n
Diameter 183982814
Circumference 577999056.84918
Area 2.6585473242114E+16

Sphere

Radius = n
Volume 3.2608467857373E+24
Surface area 1.0634189296846E+17
Circumference 577999056.84918

Square

Length = n
Perimeter 367965628
Area 8462418961839649
Diagonal 130095495.40118

Cube

Length = n
Surface area 50774513771037894
Volume 7.7846982692311E+23
Space diagonal 159333790.78375

Equilateral Triangle

Length = n
Perimeter 275974221
Area 3.6643348992101E+15
Altitude 79666895.391874

Triangular Pyramid

Length = n
Surface area 3.6643348992101E+15
Volume 9.1743548927741E+22
Height 43365165.133728