218421728796384

Names of 218421728796384

• Cardinal: 218421728796384 can be written as Two hundred eighteen trillion, four hundred twenty-one billion, seven hundred twenty-eight million, seven hundred ninety-six thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.18421728796384 × 10¹⁴

Factors of 218421728796384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 791

Divisors of 218421728796384

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 72 86 96 129 144 172 258 288 344 387 516 688 743 774 1032 1376 1486 1548 1849 2064 2229 2972 3096 3698 4128 4458 5547 5944 6192 6687 7396 8916 11094 11888 12384 13374 14792 16641 17832 22188 23776 26748 29584 31949 33282 35664 44376 53496 59168 63898 66564 71328 88752 95847 106992 127796 133128 177504 191694 213984 255592 266256 287541 383388 511184 532512 552049 575082 766776 1022368 1104098 1150164 1373807 1533552 1656147 2208196 2300328 2747614 3067104 3312294 4121421 4416392 4600656 4968441 5495228 6624588 8242842 8832784 9201312 9936882 10990456 12364263 13249176 16485684 17665568 19873764 21980912 23738107 24728526 26498352 32971368 39747528 43961824 47476214 49457052 52996704 65942736 71214321 79495056 94952428 98914104 131885472 142428642 158990112 189904856 197828208 213642963 284857284 379809712 395656416 410172407 427285926 569714568 759619424 820344814 854571852 1020738601 1139429136 1230517221 1640689628 1709143704 2041477202 2278858272 2461034442 3062215803 3281379256 3418287408 3691551663 4082954404 4922068884 6124431606 6562758512 6836574816 7383103326 8165908808 9186647409 9844137768 12248863212 13125517024 14766206652 16331817616 17637413501 18373294818 19688275536 24497726424 29532413304 32663635232 35274827002 36746589636 39376551072 48995452848 52912240503 59064826608 70549654004 73493179272 97990905696 105824481006 118129653216 141099308008 146986358544 158736721509 211648962012 282198616016 293972717088 317473443018 423297924024 564397232032 634946886036 758408780543 846595848048 1269893772072 1516817561086 1693191696096 2275226341629 2539787544144 3033635122172 4550452683258 5079575088288 6067270244344 6825679024887 9100905366516 12134540488688 13651358049774 18201810733032 24269080977376 27302716099548 36403621466064 54605432199096 72807242932128 109210864398192 218421728796384
• Sum of all divisors σ(n): 636774796148400
• Sum of proper divisors (its aliquot sum) s(n): 418353067352016
• 218421728796384 is an abundant number, because the sum of its proper divisors (418353067352016) is greater than itself. Its abundance is 199931338555632

Bases of 218421728796384

• Binary: 110001101010011101000101100011100101111011100000₂
• Hexadecimal: 0xC6A7458E5EE0
• Base-36: 25F9K1UD40

Squares and roots of 218421728796384

• 218421728796384 squared (218421728796384²) is 47708051610401123497331475456
• 218421728796384 cubed (218421728796384³) is 10420475110250925141126232593187937717551104
• The square root of 218421728796384 is 14779097.6989931289
• The cube root of 218421728796384 is 60223.4013130039

Scales and comparisons

• 218,421,728,796,384 seconds is equal to 6,945,135 years, 18 weeks, 2 days, 11 hours, 26 minutes, 24 seconds.
• To count from 1 to 218,421,728,796,384 would take you about seventeen million, three hundred sixty-two thousand, eight hundred thirty-eight 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 218421728796384 cubic inches would be around 5018.6 feet tall.

Recreational maths with 218421728796384

• 218421728796384 backwards is 483697827124812
• 218421728796384 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 218421728796384's digits is 72
• More coming soon!