18984020819968

Names of 18984020819968

• Cardinal: 18984020819968 can be written as Eighteen trillion, nine hundred eighty-four billion, twenty million, eight hundred nineteen thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8984020819968 × 10¹³

Factors of 18984020819968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1226

Divisors of 18984020819968

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 16 32 41 64 82 128 164 181 193 256 328 362 386 512 656 724 772 809 1024 1312 1448 1544 1618 2048 2624 2896 3088 3236 4096 5248 5792 6176 6472 7421 7913 8192 10496 11584 12352 12944 14842 15826 16384 20992 23168 24704 25888 29684 31652 33169 34933 41984 46336 49408 51776 59368 63304 66338 69866 83968 92672 98816 103552 118736 126608 132676 139732 146429 156137 167936 185344 197632 207104 237472 253216 265352 279464 292858 312274 335872 370688 395264 414208 474944 506432 530704 558928 585716 624548 671744 741376 790528 828416 949888 1012864 1061408 1117856 1171432 1249096 1432253 1482752 1581056 1656832 1899776 2025728 2122816 2235712 2342864 2498192 2864506 2965504 3162112 3313664 3799552 4051456 4245632 4471424 4685728 4996384 5729012 6003589 6401617 6627328 7599104 8102912 8491264 8942848 9371456 9992768 11458024 12007178 12803234 13254656 15198208 16205824 16982528 17885696 18742912 19985536 22916048 24014356 25606468 28260797 30396416 32411648 33965056 35771392 37485824 39971072 45832096 48028712 51212936 56521594 60792832 64823296 67930112 71542784 74971648 79942144 91664192 96057424 102425872 113043188 121585664 129646592 135860224 143085568 149943296 159884288 183328384 192114848 204851744 226086376 271720448 286171136 299886592 319768576 366656768 384229696 409703488 452172752 543440896 572342272 599773184 639537152 733313536 768459392 819406976 904345504 1158692677 1199546368 1279074304 1466627072 1536918784 1638813952 1808691008 2317385354 2399092736 2558148608 2933254144 3073837568 3277627904 3617382016 4634770708 5866508288 6147675136 6555255808 7234764032 9269541416 11733016576 12295350272 13110511616 14469528064 18539082832 23466033152 24590700544 26221023232 28939056128 37078165664 49181401088 52442046464 57878112256 74156331328 98362802176 104884092928 115756224512 148312662656 231512449024 296625325312 463024898048 593250650624 1186501301248 2373002602496 4746005204992 9492010409984 18984020819968
• Sum of all divisors σ(n): 39359004768720
• Sum of proper divisors (its aliquot sum) s(n): 20374983948752
• 18984020819968 is an abundant number, because the sum of its proper divisors (20374983948752) is greater than itself. Its abundance is 1390963128784

Bases of 18984020819968

• Binary: 100010100010000001111110100010100000000000000₂
• Hexadecimal: 0x11440FD14000
• Base-36: 6Q94ZUCXS

Squares and roots of 18984020819968

• 18984020819968 squared (18984020819968²) is 360393046492978495067521024
• 18984020819968 cubed (18984020819968³) is 6841709097994399156686311113561559007232
• The square root of 18984020819968 is 4357065.6203422045
• The cube root of 18984020819968 is 26676.5338856121

Scales and comparisons

• 18,984,020,819,968 seconds is equal to 603,633 years, 7 weeks, 2 days, 4 hours, 39 minutes, 28 seconds.
• To count from 1 to 18,984,020,819,968 would take you about one million, five hundred nine thousand and eighty-two 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 18984020819968 cubic inches would be around 2223 feet tall.

Recreational maths with 18984020819968

• 18984020819968 backwards is 86991802048981
• The number of decimal digits it has is: 14
• The sum of 18984020819968's digits is 73
• More coming soon!