1388021251 (number)

1388021251 is an odd 10-digits composite number following 1388021250 and preceding 1388021252. In scientific notation, it is written as 1.388021251 × 10^9. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 1387509904 positive integers (up to 1388021251) that are relatively prime to 1388021251.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million twenty-one thousand two hundred fifty-one

Notation

Scientific notation 1.388021251 × 10^9
Engineering notation 1.388021251 × 10^9

Prime Factorization of 1388021251

Prime Factorization 2729 × 508619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1388021251
Product of the distinct prime numbers

The prime factorization of 1388021251 is 2729 × 508619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 35, 90, 181, 298, 8203, 1230, 1701, 9632, 499837, 740115, 4068419, 572370, 5388114, 97537803, 432330342, 667029604, 620837108, 4460658529

Basic calculations (n = 1388021251)

Multiplication

n×y
n×2 2776042502
n×3 4164063753
n×4 5552085004
n×5 6940106255

Division

n÷y
n÷2 694010625.5
n÷3 462673750.33333
n÷3 347005312.75
n÷5 277604250.2

Exponentiation

ny
n2 1926602993227605001
n3 2.6741658968401E+27
n4 3.7117990935136E+36
n5 5.1520560212394E+45

Nth Root

y√n
2√n 37256.157222666
3√n 1115.489204918
4√n 193.01854113703
5√n 67.371966351088

Divisors of 1388021251

1, 2729, 508619, 1388021251

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388021250
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388021251 can be divided by 4 positive divisors. The sum of these divisors (counting 1388021251) is 1, the average is 0.25.

Base conversion 1388021251

Base System Value
2 Binary 1010010101110111000011000000011
3 Ternary 10120201210210012111
4 Quaternary 1102232320120003
5 Quinary 10320313140001
6 Senary 345422040151
8 Octal 12256703003
10 Decimal 1388021251
12 Duodecimal 328a19057
16 Hexadecimal 52bb8603
20 Vigesimal 11df2d2b
36 Base36 mye41v

Cryptographic Hash Functions

md5 d38df46af38a257a02c55382c1b6c42d
sha1 ac366f04a42a92e3b4ce390fc36845e47e0f73e7
sha256 bf217796eb73d26513f15a38b7f2d19ebc2600aa7eb6fc0ea4cddcb5a5041276
sha512 233a2a84a5a7b9d0b73871cf83ccb5f3700cad8807140e379d4d9f4f3b80be4d01e3aa2a3ee19962f04f964984ef134e468a493a854e711107cf23f2e3350208
ripemd-160 43fe45d1580104e91a671b1faee773d7e4730438

1388021251 as geometric shapes

Circle

Radius = n
Diameter 2776042502
Circumference 8721194730.3362
Area 6.0526018099079E+18

Sphere

Radius = n
Volume 1.1201519914658E+28
Surface area 2.4210407239632E+19
Circumference 8721194730.3362

Square

Length = n
Perimeter 5552085004
Area 1926602993227605001
Diagonal 1962958478.0263

Cube

Length = n
Surface area 1.1559617959366E+19
Volume 2.6741658968401E+27
Space diagonal 2404123328.7173

Equilateral Triangle

Length = n
Perimeter 4164063753
Area 8.3424356757112E+17
Altitude 1202061664.3587

Triangular Pyramid

Length = n
Surface area 8.3424356757112E+17
Volume 3.1515347327891E+26
Height 654319492.67542