142805571220

Names of 142805571220

• Cardinal: 142805571220 can be written as One hundred forty-two billion, eight hundred five million, five hundred seventy-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.4280557122 × 10¹¹

Factors of 142805571220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 162

Divisors of 142805571220

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 53 65 89 106 130 169 178 212 260 265 338 356 445 530 676 689 845 890 1060 1157 1378 1690 1780 2197 2314 2756 2809 3380 3445 4394 4628 4717 5618 5785 6890 8788 8957 9434 10985 11236 11570 13780 14045 15041 17914 18868 21970 23140 23585 28090 28561 30082 35828 36517 43940 44785 47170 56180 57122 60164 61321 73034 75205 89570 94340 114244 116441 122642 142805 146068 150410 179140 182585 195533 232882 245284 250001 285610 300820 306605 365170 391066 465764 474721 500002 571220 582205 613210 730340 782132 797173 949442 977665 1000004 1164410 1226420 1250005 1513733 1594346 1898884 1955330 2328820 2373605 2500010 2541929 3027466 3188692 3250013 3910660 3985865 4747210 5000020 5083858 6054932 6171373 6500026 7568665 7971730 9494420 10167716 10363249 12342746 12709645 13000052 15137330 15943460 16250065 20726498 24685492 25419290 30274660 30856865 32500130 41452996 42250169 50838580 51816245 61713730 65000260 80227849 84500338 103632490 123427460 134722237 160455698 169000676 207264980 211250845 269444474 320911396 401139245 422501690 538888948 549252197 673611185 802278490 845003380 1098504394 1347222370 1604556980 2197008788 2694444740 2746260985 5492521970 7140278561 10985043940 14280557122 28561114244 35701392805 71402785610 142805571220
• Sum of all divisors σ(n): 334847833740
• Sum of proper divisors (its aliquot sum) s(n): 192042262520
• 142805571220 is an abundant number, because the sum of its proper divisors (192042262520) is greater than itself. Its abundance is 49236691300

Bases of 142805571220

• Binary: 10000100111111111000000001011010010100₂
• Hexadecimal: 0x213FE01694
• Base-36: 1TLQQZYS

Squares and roots of 142805571220

• 142805571220 squared (142805571220²) is 20393431171470492288400
• 142805571220 cubed (142805571220³) is 2912295587577597418619566979848000
• The square root of 142805571220 is 377896.2439876851
• The cube root of 142805571220 is 5226.9504554143

Scales and comparisons

• 142,805,571,220 seconds is equal to 4,540 years, 40 weeks, 2 days, 6 hours, 13 minutes, 40 seconds.
• To count from 1 to 142,805,571,220 would take you about nine thousand and eighty-one 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 142805571220 cubic inches would be around 435.6 feet tall.

Recreational maths with 142805571220

• 142805571220 backwards is 022175508241
• The number of decimal digits it has is: 12
• The sum of 142805571220's digits is 37
• More coming soon!