90991640 (number)

90991640 is an even 8-digits composite number following 90991639 and preceding 90991641. In scientific notation, it is written as 9.0991640 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 36220800 positive integers (up to 90991640) that are relatively prime to 90991640.

Interesting facts

Basic properties

Name

Name ninety million nine hundred ninety-one thousand six hundred forty

Notation

Scientific notation 9.0991640 × 10^7
Engineering notation 9.0991640 × 10^6

Prime Factorization of 90991640

Prime Factorization 2 × 2 × 2 × 5 × 211 × 10781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 22747910
Product of the distinct prime numbers

The prime factorization of 90991640 is 2 × 2 × 2 × 5 × 211 × 10781. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 36, 71, 71, 916, 4313, 4617, 6955, 52098, 268466, 961876, 521059, 416469, 37620769, 1447430, 249736482, 827613543, 1766843798, 123565822

Basic calculations (n = 90991640)

Multiplication

n×y
n×2 181983280
n×3 272974920
n×4 363966560
n×5 454958200

Division

n÷y
n÷2 45495820
n÷3 30330546.666667
n÷3 22747910
n÷5 18198328

Exponentiation

ny
n2 8279478549889600
n3 7.5336333159928E+23
n4 6.8549765058082E+31
n5 6.2374555442496E+39

Nth Root

y√n
2√n 9538.9538210435
3√n 449.7803701898
4√n 97.667567907896
5√n 39.066121688554

Divisors of 90991640

1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10781, 21562, 43124, 53905, 86248, 107810, 215620, 431240, 2274791, 4549582, 9099164, 11373955, 18198328, 22747910, 45495820, 90991640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -90991639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 90991640 can be divided by 32 positive divisors. The sum of these divisors (counting 90991640) is 1, the average is 0.03125.

Base conversion 90991640

Base System Value
2 Binary 101011011000110110000011000
3 Ternary 20100012212001202
4 Quaternary 11123012300120
5 Quinary 141243213030
6 Senary 13010133332
8 Octal 533066030
10 Decimal 90991640
12 Duodecimal 26581248
16 Hexadecimal 56c6c18
20 Vigesimal 188dj20
36 Base36 1i69lk

Cryptographic Hash Functions

md5 c6609d90defa3a702fddacca1a357327
sha1 883eef0d4894f4b754c9adb78642ba6b5061c1f9
sha256 293eb1a3d29d0063f398f2ad9c5b330b7da5f3d509ae2b455a6ce33e56ee79be
sha512 1a804e7d48dbe3016d33823990805f7518d0470228bec81399594049647d4285c12a047f18b22ce9495479c59d951e6cd11c9cd556fd672c393ca3072322d645
ripemd-160 5a14ab1e8be597066732b8f96431db0acb04e24e

90991640 as geometric shapes

Circle

Radius = n
Diameter 181983280
Circumference 571717335.52417
Area 2.6010748987887E+16

Sphere

Radius = n
Volume 3.1556809440483E+24
Surface area 1.0404299595155E+17
Circumference 571717335.52417

Square

Length = n
Perimeter 363966560
Area 8279478549889600
Diagonal 128681611.35057

Cube

Length = n
Surface area 49676871299337600
Volume 7.5336333159928E+23
Space diagonal 157602143.54402

Equilateral Triangle

Length = n
Perimeter 272974920
Area 3.5851193771464E+15
Altitude 78801071.772008

Triangular Pyramid

Length = n
Surface area 3.5851193771464E+15
Volume 8.8784720078523E+22
Height 42893870.45019