221565208140

Names of 221565208140

• Cardinal: 221565208140 can be written as Two hundred twenty-one billion, five hundred sixty-five million, two hundred eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.2156520814 × 10¹¹

Factors of 221565208140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 199320

Divisors of 221565208140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 229 243 270 324 405 458 486 540 687 810 916 972 1145 1215 1374 1620 2061 2290 2430 2748 3435 4122 4580 4860 6183 6870 8244 10305 12366 13740 18549 20610 24732 30915 37098 41220 55647 61830 74196 92745 111294 123660 185490 199081 222588 278235 370980 398162 556470 597243 796324 995405 1112940 1194486 1791729 1990810 2388972 2986215 3583458 3981620 5375187 5972430 7166916 8958645 10750374 11944860 16125561 17917290 21500748 26875935 32251122 35834580 45589549 48376683 53751870 64502244 80627805 91179098 96753366 107503740 136768647 161255610 182358196 193506732 227947745 241883415 273537294 322511220 410305941 455895490 483766830 547074588 683843235 820611882 911790980 967533660 1230917823 1367686470 1641223764 2051529705 2461835646 2735372940 3692753469 4103059410 4923671292 6154589115 7385506938 8206118820 11078260407 12309178230 14771013876 18463767345 22156520814 24618356460 36927534690 44313041628 55391302035 73855069380 110782604070 221565208140
• Sum of all divisors σ(n): 700020091680
• Sum of proper divisors (its aliquot sum) s(n): 478454883540
• 221565208140 is an abundant number, because the sum of its proper divisors (478454883540) is greater than itself. Its abundance is 256889675400

Bases of 221565208140

• Binary: 11001110010110010100001100011001001100₂
• Hexadecimal: 0x339650C64C
• Base-36: 2TSA7CR0

Squares and roots of 221565208140

• 221565208140 squared (221565208140²) is 49091141458121522259600
• 221565208140 cubed (221565208140³) is 10876888974998878172861917113144000
• The square root of 221565208140 is 470707.1362747755
• The cube root of 221565208140 is 6051.0933810595

Scales and comparisons

• 221,565,208,140 seconds is equal to 7,045 years, 4 weeks, 4 days, 3 hours, 9 minutes.
• To count from 1 to 221,565,208,140 would take you about fourteen thousand and ninety 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 221565208140 cubic inches would be around 504.3 feet tall.

Recreational maths with 221565208140

• 221565208140 backwards is 041802565122
• 221565208140 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221565208140's digits is 36
• More coming soon!