157021690 (number)

157021690 is an even 9-digits composite number following 157021689 and preceding 157021691. In scientific notation, it is written as 1.57021690 × 10^8. The sum of its digits is 31. It has a total of 6 prime factors and 64 positive divisors. There are 48457728 positive integers (up to 157021690) that are relatively prime to 157021690.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million twenty-one thousand six hundred ninety

Notation

Scientific notation 1.57021690 × 10^8
Engineering notation 1.57021690 × 10^6

Prime Factorization of 157021690

Prime Factorization 2 × 7 × 5 × 17 × 23 × 5737

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 157021690
Product of the distinct prime numbers

The prime factorization of 157021690 is 2 × 7 × 5 × 17 × 23 × 5737. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157021690)

Multiplication

n×y
n×2 314043380
n×3 471065070
n×4 628086760
n×5 785108450

Division

n÷y
n÷2 78510845
n÷3 52340563.333333
n÷3 39255422.5
n÷5 31404338

Exponentiation

ny
n2 24655811130456100
n3 3.871497132025E+24
n4 6.0790902250072E+32
n5 9.5454902079312E+40

Nth Root

y√n
2√n 12530.829581476
3√n 539.49391313315
4√n 111.94118804746
5√n 43.570438368601

Divisors of 157021690

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157021689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157021690 can be divided by 64 positive divisors. The sum of these divisors (counting 157021690) is 1, the average is 0.015625.

Base conversion 157021690

Base System Value
2 Binary 1001010110111111010111111010
3 Ternary 101221110112021011
4 Quaternary 21112333113322
5 Quinary 310144143230
6 Senary 23325304134
8 Octal 1126772772
10 Decimal 157021690
12 Duodecimal 4470504a
16 Hexadecimal 95bf5fa
20 Vigesimal 2917e4a
36 Base36 2lhipm

Cryptographic Hash Functions

md5 9f4fae98be5289220d2a63f84a58d806
sha1 870ea1a3ebac937357314952ea059a402898227c
sha256 59dcbb3e3c4eaaa539c704d5cd2611f426e39e4f2c537e1f755334aaf65c82b2
sha512 d36ff80dcc69a7fdbb921785ca8c860f5310b9bba9e9495279f10bb46b16f3cb796b0f5328c0025f49332caa429886d8a8ddbf655bcaeeaf458698d770689b48
ripemd-160 d016a7cb931820a6c5a5ab280487920864dff184

157021690 as geometric shapes

Circle

Radius = n
Diameter 314043380
Circumference 986596375.51651
Area 7.7458515115738E+16

Sphere

Radius = n
Volume 1.6216889264485E+25
Surface area 3.0983406046295E+17
Circumference 986596375.51651

Square

Length = n
Perimeter 628086760
Area 24655811130456100
Diagonal 222062203.58474

Cube

Length = n
Surface area 147934866782736600
Volume 3.871497132025E+24
Space diagonal 271969544.97033

Equilateral Triangle

Length = n
Perimeter 471065070
Area 1.0676279394943E+16
Altitude 135984772.48516

Triangular Pyramid

Length = n
Surface area 1.0676279394943E+16
Volume 4.5626031256653E+23
Height 74020734.528248