1990706781 (number)

1990706781 is an odd 10-digits composite number following 1990706780 and preceding 1990706782. In scientific notation, it is written as 1.990706781 × 10^9. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 1135723680 positive integers (up to 1990706781) that are relatively prime to 1990706781.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million seven hundred six thousand seven hundred eighty-one

Notation

Scientific notation 1.990706781 × 10^9
Engineering notation 1.990706781 × 10^9

Prime Factorization of 1990706781

Prime Factorization 3 × 7 × 7 × 643 × 21061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 284386683
Product of the distinct prime numbers

The prime factorization of 1990706781 is 3 × 7 × 7 × 643 × 21061. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 83, 12, 154, 594, 6342, 637, 92454, 84695, 87744, 403284, 4877978, 6435109, 77849574, 72815299, 690106966, 31761587, 9741977472, 4967189737

Basic calculations (n = 1990706781)

Multiplication

n×y
n×2 3981413562
n×3 5972120343
n×4 7962827124
n×5 9953533905

Division

n÷y
n÷2 995353390.5
n÷3 663568927
n÷3 497676695.25
n÷5 398141356.2

Exponentiation

ny
n2 3962913487919381961
n3 7.8889987529175E+27
n4 1.5704683312733E+37
n5 3.1263419564116E+46

Nth Root

y√n
2√n 44617.337224447
3√n 1257.9665658137
4√n 211.22816389972
5√n 72.410485466568

Divisors of 1990706781

1, 3, 7, 21, 49, 147, 643, 1929, 4501, 13503, 21061, 31507, 63183, 94521, 147427, 442281, 1031989, 3095967, 13542223, 40626669, 94795561, 284386683, 663568927, 1990706781

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 -1990706780
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 1990706781 can be divided by 24 positive divisors. The sum of these divisors (counting 1990706781) is 1, the average is 0.041666666666667.

Base conversion 1990706781

Base System Value
2 Binary 1110110101001111100011001011101
3 Ternary 12010201212101022210
4 Quaternary 1312221330121131
5 Quinary 13034110104111
6 Senary 525311431033
8 Octal 16651743135
10 Decimal 1990706781
12 Duodecimal 476825479
16 Hexadecimal 76a7c65d
20 Vigesimal 1b21i6j1
36 Base36 wx7r6l

Cryptographic Hash Functions

md5 5de5e0993a0ad8c68c4f55462a9436a9
sha1 21cef262f490a209d37eeb9a85daa28babf623dd
sha256 0f817a68870fc976b598b70d3b4d01fc33b322e1dff0121511bcd221c6ae0234
sha512 e02631bad55a2f4415aaf08a74878cd8ead169c57a07ccb5740b46adce5fa72eed37c5195758079f372e4c1b1d1967df4269196e82dc25884f6ec973755e0621
ripemd-160 a0b7ea9f0ba9d51d94a44c03a829b74f27f7f054

1990706781 as geometric shapes

Circle

Radius = n
Diameter 3981413562
Circumference 12507979597.282
Area 1.2449859900459E+19

Sphere

Radius = n
Volume 3.3045360701793E+28
Surface area 4.9799439601838E+19
Circumference 12507979597.282

Square

Length = n
Perimeter 7962827124
Area 3962913487919381961
Diagonal 2815284528.3983

Cube

Length = n
Surface area 2.3777480927516E+19
Volume 7.8889987529175E+27
Space diagonal 3448005287.6639

Equilateral Triangle

Length = n
Perimeter 5972120343
Area 1.7159918767691E+18
Altitude 1724002643.8319

Triangular Pyramid

Length = n
Surface area 1.7159918767691E+18
Volume 9.2972741916003E+26
Height 938428176.13276