18932749290

Names of 18932749290

• Cardinal: 18932749290 can be written as Eighteen billion, nine hundred thirty-two million, seven hundred forty-nine thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.893274929 × 10¹⁰

Factors of 18932749290

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31770

Divisors of 18932749290

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 63 65 70 73 78 90 91 105 117 126 130 146 182 195 210 219 234 273 315 365 390 438 455 511 546 585 630 657 730 819 910 949 1022 1095 1170 1314 1365 1533 1638 1898 2190 2555 2730 2847 3066 3285 4095 4599 4745 5110 5694 6570 6643 7665 8190 8541 9198 9490 13286 14235 15330 17082 19929 22995 28470 31667 33215 39858 42705 45990 59787 63334 66430 85410 95001 99645 119574 158335 190002 199290 221669 285003 298935 316670 411671 443338 475005 570006 597870 665007 823342 950010 1108345 1235013 1330014 1425015 1995021 2058355 2216690 2311691 2470026 2850030 2881697 3325035 3705039 3990042 4116710 4623382 5763394 6175065 6650070 6935073 7410078 8645091 9975105 11558455 12350130 13870146 14408485 16181837 17290182 18525195 19950210 20805219 23116910 25935273 28816970 30051983 32363674 34675365 37050390 41610438 43225455 48545511 51870546 60103966 69350730 80909185 86450910 90155949 97091022 104026095 129676365 145636533 150259915 161818370 180311898 208052190 210363881 242727555 259352730 270467847 291273066 300519830 420727762 450779745 485455110 540935694 631091643 728182665 901559490 1051819405 1262183286 1352339235 1456365330 1893274929 2103638810 2704678470 3155458215 3786549858 6310916430 9466374645 18932749290
• Sum of all divisors σ(n): 61416665856
• Sum of proper divisors (its aliquot sum) s(n): 42483916566
• 18932749290 is an abundant number, because the sum of its proper divisors (42483916566) is greater than itself. Its abundance is 23551167276

Bases of 18932749290

• Binary: 10001101000011110101101001111101010₂
• Hexadecimal: 0x4687AD3EA
• Base-36: 8P42IUI

Squares and roots of 18932749290

• 18932749290 squared (18932749290²) is 358448995677995504100
• 18932749290 cubed (18932749290³) is 6786424968423782448872467089000
• The square root of 18932749290 is 137596.3273129047
• The cube root of 18932749290 is 2665.2496479015

Scales and comparisons

• 18,932,749,290 seconds is equal to 602 years, 1 day, 1 hour, 1 minute, 30 seconds.
• To count from 1 to 18,932,749,290 would take you about one thousand, two hundred four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18932749290 cubic inches would be around 222.1 feet tall.

Recreational maths with 18932749290

• 18932749290 backwards is 09294723981
• The number of decimal digits it has is: 11
• The sum of 18932749290's digits is 54
• More coming soon!