1990911897 (number)

1990911897 is an odd 10-digits composite number following 1990911896 and preceding 1990911898. In scientific notation, it is written as 1.990911897 × 10^9. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 1217052000 positive integers (up to 1990911897) that are relatively prime to 1990911897.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million nine hundred eleven thousand eight hundred ninety-seven

Notation

Scientific notation 1.990911897 × 10^9
Engineering notation 1.990911897 × 10^9

Prime Factorization of 1990911897

Prime Factorization 117 × 151 × 112691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1990911897
Product of the distinct prime numbers

The prime factorization of 1990911897 is 117 × 151 × 112691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 83, 64, 89, 393, 7838, 753, 96498, 10460, 186430, 872906, 3321116, 3767023, 69876220, 51974779, 996637035, 239343812, 1641753620, 6520825132

Basic calculations (n = 1990911897)

Multiplication

n×y
n×2 3981823794
n×3 5972735691
n×4 7963647588
n×5 9954559485

Division

n÷y
n÷2 995455948.5
n÷3 663637299
n÷3 497727974.25
n÷5 398182379.4

Exponentiation

ny
n2 3963730181616138609
n3 7.8914375750775E+27
n4 1.5711156952655E+37
n5 3.1279529292675E+46

Nth Root

y√n
2√n 44619.635778433
3√n 1258.0097699345
4√n 211.23360475652
5√n 72.411977593603

Divisors of 1990911897

1, 117, 151, 17667, 112691, 13184847, 17016341, 1990911897

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 -1990911896
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 1990911897 can be divided by 8 positive divisors. The sum of these divisors (counting 1990911897) is 1, the average is 0.125.

Base conversion 1990911897

Base System Value
2 Binary 1110110101010101110011110011001
3 Ternary 12010202020210200200
4 Quaternary 1312222232132121
5 Quinary 13034133140042
6 Senary 525320052413
8 Octal 16652563631
10 Decimal 1990911897
12 Duodecimal 476904109
16 Hexadecimal 76aae799
20 Vigesimal 1b233jeh
36 Base36 wxc5g9

Cryptographic Hash Functions

md5 6bafeff830e795c86e1bd225996e4028
sha1 88f88f4b8a1e06271f7d85ce420e962845035b06
sha256 08587948a770ab67c7c5300477131b043cb0a766801e3591158367f5cd27edd2
sha512 2be482d1544bfd41e10d7057e3f54ef45a6e5ea1b1ced69a34b8fc5c6ade05f80ddaf57037e713e859e30b6f745cbb5eebfec49ed213fa0cc8bac051769a1af6
ripemd-160 a0ff68546a410b2509661c4e802bf32af2e01067

1990911897 as geometric shapes

Circle

Radius = n
Diameter 3981823794
Circumference 12509268379.119
Area 1.2452425619377E+19

Sphere

Radius = n
Volume 3.3055576416168E+28
Surface area 4.980970247751E+19
Circumference 12509268379.119

Square

Length = n
Perimeter 7963647588
Area 3963730181616138609
Diagonal 2815574606.2273

Cube

Length = n
Surface area 2.3782381089697E+19
Volume 7.8914375750775E+27
Space diagonal 3448360558.9973

Equilateral Triangle

Length = n
Perimeter 5972735691
Area 1.7163455155133E+18
Altitude 1724180279.4987

Triangular Pyramid

Length = n
Surface area 1.7163455155133E+18
Volume 9.3001483710794E+26
Height 938524868.74245