180820216980

Names of 180820216980

• Cardinal: 180820216980 can be written as One hundred eighty billion, eight hundred twenty million, two hundred sixteen thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.8082021698 × 10¹¹

Factors of 180820216980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 189365

Divisors of 180820216980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 409 468 585 780 818 1170 1227 1636 2045 2340 2454 3681 4090 4908 5317 6135 7362 8180 10634 12270 14724 15951 18405 21268 24540 26585 31902 36810 47853 53170 63804 73620 79755 95706 106340 159510 188933 191412 239265 319020 377866 478530 566799 755732 944665 957060 1133598 1700397 1889330 2267196 2456129 2833995 3400794 3778660 4912258 5667990 6801588 7368387 8501985 9824516 11335980 12280645 14736774 17003970 22105161 24561290 29473548 34007940 36841935 44210322 49122580 73683870 77273597 88420644 110525805 147367740 154547194 221051610 231820791 309094388 386367985 442103220 463641582 695462373 772735970 927283164 1004556761 1159103955 1390924746 1545471940 2009113522 2318207910 2781849492 3013670283 3477311865 4018227044 4636415820 5022783805 6027340566 6954623730 9041010849 10045567610 12054681132 13909247460 15068351415 18082021698 20091135220 30136702830 36164043396 45205054245 60273405660 90410108490 180820216980
• Sum of all divisors σ(n): 592126713360
• Sum of proper divisors (its aliquot sum) s(n): 411306496380
• 180820216980 is an abundant number, because the sum of its proper divisors (411306496380) is greater than itself. Its abundance is 230486279400

Bases of 180820216980

• Binary: 10101000011001101110011000110010010100₂
• Hexadecimal: 0x2A19B98C94
• Base-36: 2B2FOSD0

Squares and roots of 180820216980

• 180820216980 squared (180820216980²) is 32695950868694280320400
• 180820216980 cubed (180820216980³) is 5912088930444719256819671920392000
• The square root of 180820216980 is 425229.6050135739
• The cube root of 180820216980 is 5654.7793322227

Scales and comparisons

• 180,820,216,980 seconds is equal to 5,749 years, 27 weeks, 1 day, 14 hours, 3 minutes.
• To count from 1 to 180,820,216,980 would take you about eleven thousand, four hundred ninety-nine 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 180820216980 cubic inches would be around 471.2 feet tall.

Recreational maths with 180820216980

• 180820216980 backwards is 089612028081
• 180820216980 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 180820216980's digits is 45
• More coming soon!