18712513884168

Names of 18712513884168

• Cardinal: 18712513884168 can be written as Eighteen trillion, seven hundred twelve billion, five hundred thirteen million, eight hundred eighty-four thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8712513884168 × 10¹³

Factors of 18712513884168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1369218

Divisors of 18712513884168

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 216 234 243 312 324 351 468 486 541 648 702 936 972 1053 1082 1404 1623 1944 2106 2164 2808 3159 3246 4212 4328 4869 6318 6492 7033 8424 9738 12636 12984 14066 14607 19476 21099 25272 28132 29214 38952 42198 43821 56264 58428 63297 84396 87642 116856 126594 131463 168792 175284 189891 253188 262926 350568 379782 506376 525852 569673 759564 1051704 1139346 1368659 1519128 1709019 2278692 2737318 3418038 4105977 4557384 5474636 6836076 8211954 10949272 12317931 13672152 16423908 17792567 24635862 32847816 35585134 36953793 49271724 53377701 71170268 73907586 98543448 106755402 110861379 142340536 147815172 160133103 213510804 221722758 295630344 320266206 332584137 427021608 443445516 480399309 640532412 665168274 740444519 886891032 960798618 1281064824 1330336548 1441197927 1480889038 1921597236 2221333557 2660673096 2882395854 2961778076 3843194472 4323593781 4442667114 5764791708 5923556152 6664000671 8647187562 8885334228 9625778747 11529583416 13328001342 17294375124 17770668456 19251557494 19992002013 26656002684 28877336241 34588750248 38503114988 39984004026 53312005368 57754672482 59976006039 77006229976 79968008052 86632008723 115509344964 119952012078 159936016104 173264017446 179928018117 231018689928 239904024156 259896026169 346528034892 359856036234 479808048312 519792052338 693056069784 719712072468 779688078507 1039584104676 1439424144936 1559376157014 2079168209352 2339064235521 3118752314028 4678128471042 6237504628056 9356256942084 18712513884168
• Sum of all divisors σ(n): 56704240756800
• Sum of proper divisors (its aliquot sum) s(n): 37991726872632
• 18712513884168 is an abundant number, because the sum of its proper divisors (37991726872632) is greater than itself. Its abundance is 19279212988464

Bases of 18712513884168

• Binary: 100010000010011011000101111100011000000001000₂
• Hexadecimal: 0x1104D8BE3008
• Base-36: 6MSERMGI0

Squares and roots of 18712513884168

• 18712513884168 squared (18712513884168²) is 350158175865180170121052224
• 18712513884168 cubed (18712513884168³) is 6552339727532124219097021970869414789632
• The square root of 18712513884168 is 4325796.3294829311
• The cube root of 18712513884168 is 26548.7479991053

Scales and comparisons

• 18,712,513,884,168 seconds is equal to 595,000 years, 3 weeks, 19 hours, 22 minutes, 48 seconds.
• To count from 1 to 18,712,513,884,168 would take you about one million, four hundred eighty-seven thousand, five hundred 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 18712513884168 cubic inches would be around 2212.4 feet tall.

Recreational maths with 18712513884168

• 18712513884168 backwards is 86148831521781
• The number of decimal digits it has is: 14
• The sum of 18712513884168's digits is 63
• More coming soon!