18943868434464

Names of 18943868434464

• Cardinal: 18943868434464 can be written as Eighteen trillion, nine hundred forty-three billion, eight hundred sixty-eight million, four hundred thirty-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8943868434464 × 10¹³

Factors of 18943868434464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 19725

Divisors of 18943868434464

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 67 72 81 93 96 108 124 134 144 162 181 186 201 216 248 268 279 288 324 362 372 402 432 496 536 543 558 603 648 724 744 804 837 864 992 1072 1086 1116 1206 1296 1448 1488 1608 1629 1674 1809 2077 2144 2172 2232 2412 2511 2592 2896 2976 3216 3258 3348 3618 4154 4344 4464 4824 4887 5022 5427 5611 5792 6231 6432 6516 6696 7236 8308 8688 8928 9648 9774 10044 10854 11222 12127 12462 13032 13392 14472 14661 16616 16833 17376 18693 19296 19441 19548 20088 21708 22444 24254 24924 26064 26784 28944 29322 33232 33666 36381 37386 38882 39096 40176 43416 44888 48508 49848 50499 52128 56079 57888 58323 58644 66464 67332 72762 74772 77764 78192 80352 86832 89776 97016 99696 100998 109143 112158 116646 117288 134664 145524 149544 151497 155528 156384 168237 173664 174969 179552 194032 199392 201996 218286 224316 233292 234576 269328 291048 299088 302994 311056 327429 336474 349938 375937 388064 403992 436572 448632 454491 466584 469152 524907 538656 582096 598176 602671 605988 622112 654858 672948 699876 751874 807984 873144 897264 908982 933168 982287 1049814 1127811 1164192 1205342 1211976 1302547 1309716 1345896 1399752 1503748 1574721 1615968 1746288 1794528 1808013 1817964 1866336 1964574 2099628 2255622 2410684 2423952 2605094 2619432 2691792 2799504 3007496 3149442 3383433 3492576 3518821 3616026 3635928 3907641 3929148 4199256 4511244 4821368 4847904 5210188 5238864 5383584 5424039 5599008 6014992 6298884 6766866 7037642 7232052 7271856 7815282 7858296 8398512 9022488 9642736 10150299 10420376 10477728 10556463 10848078 11722923 12029984 12597768 13533732 14075284 14464104 14543712 15630564 15716592 16272117 16797024 18044976 19285472 20300598 20840752 21112926 21696156 23445846 25195536 27067464 28150568 28928208 30450897 31261128 31433184 31669389 32544234 35168769 36089952 40378957 40601196 41681504 42225852 43392312 46891692 48816351 50391072 54134928 56301136 57856416 60901794 62522256 63338778 65088468 70337538 80757914 81202392 84451704 86784624 93783384 95008167 97632702 105506307 108269856 109083451 112602272 121136871 121803588 125044512 126677556 130176936 140675076 161515828 162404784 168903408 173569248 187566768 190016334 195265404 211012614 218166902 235761007 242273742 243607176 253355112 260353872 281350152 285024501 323031656 324809568 327250353 337806816 363410613 375133536 380032668 390530808 422025228 436333804 471522014 484547484 487214352 506710224 520707744 562700304 570049002 646063312 654500706 707283021 726821226 760065336 781061616 844050456 872667608 943044028 969094968 974428704 981751059 1013420448 1090231839 1125400608 1140098004 1292126624 1309001412 1414566042 1453642452 1520130672 1562123232 1688100912 1745335216 1886088056 1938189936 1963502118 2121849063 2180463678 2280196008 2618002824 2829132084 2907284904 2945253177 3040261344 3270695517 3376201824 3490670432 3772176112 3876379872 3927004236 4243698126 4360927356 4560392016 5236005648 5658264168 5814569808 5890506354 6365547189 6541391034 7308591217 7544352224 7854008472 8487396252 8721854712 8835759531 9120784032 10472011296 11316528336 11629139616 11781012708 12731094378 13082782068 14617182434 15708016944 16974792504 17443709424 17671519062 19096641567 21925773651 22633056672 23562025416 25462188756 26165564136 29234364868 31416033888 33949585008 34887418848 35343038124 38193283134 43851547302 47124050832 50924377512 52331128272 58468729736 65777320953 67899170016 70686076248 76386566268 87703094604 94248101664 101848755024 104662256544 116937459472 131554641906 141372152496 152773132536 175406189208 197331962859 203697510048 233874918944 263109283812 282744304992 305546265072 350812378416 394663925718 526218567624 591995888577 611092530144 701624756832 789327851436 1052437135248 1183991777154 1578655702872 2104874270496 2367983554308 3157311405744 4735967108616 6314622811488 9471934217232 18943868434464
• Sum of all divisors σ(n): 58694463539712
• Sum of proper divisors (its aliquot sum) s(n): 39750595105248
• 18943868434464 is an abundant number, because the sum of its proper divisors (39750595105248) is greater than itself. Its abundance is 20806726670784

Bases of 18943868434464

• Binary: 100010011101010110110100011000111100000100000₂
• Hexadecimal: 0x113AB68C7820
• Base-36: 6PQOY5E00

Squares and roots of 18943868434464

• 18943868434464 squared (18943868434464²) is 358870151262281522262967296
• 18943868434464 cubed (18943868434464³) is 6798388930568855934604593032198751289344
• The square root of 18943868434464 is 4352455.4488775643
• The cube root of 18943868434464 is 26657.7131005313

Scales and comparisons

• 18,943,868,434,464 seconds is equal to 602,356 years, 21 weeks, 5 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,943,868,434,464 would take you about one million, five hundred five thousand, eight hundred ninety-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 18943868434464 cubic inches would be around 2221.5 feet tall.

Recreational maths with 18943868434464

• 18943868434464 backwards is 46443486834981
• 18943868434464 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18943868434464's digits is 72
• More coming soon!