18385038891648

Names of 18385038891648

• Cardinal: 18385038891648 can be written as Eighteen trillion, three hundred eighty-five billion, thirty-eight million, eight hundred ninety-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.8385038891648 × 10¹³

Factors of 18385038891648

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 12766

Divisors of 18385038891648

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 59 64 66 72 78 88 96 99 104 117 118 128 132 143 144 151 156 176 177 192 198 208 234 236 264 286 288 302 312 352 354 384 396 416 429 453 468 472 528 531 572 576 604 624 649 704 708 767 792 832 858 906 936 944 1056 1062 1144 1152 1208 1248 1287 1298 1359 1408 1416 1534 1584 1661 1664 1716 1812 1872 1888 1947 1963 2112 2124 2288 2301 2416 2496 2574 2596 2718 2832 3068 3168 3322 3432 3624 3744 3776 3894 3926 4224 4248 4576 4602 4832 4983 4992 5148 5192 5436 5664 5841 5889 6136 6336 6644 6864 6903 7248 7488 7552 7788 7852 8437 8496 8909 9152 9204 9664 9966 10296 10384 10872 11328 11682 11778 12272 12527 12672 13288 13728 13806 14496 14949 14976 15576 15704 16874 16992 17667 17818 18304 18408 19328 19932 20592 20768 21593 21744 22656 23364 23556 24544 25054 25311 26576 26727 27456 27612 28992 29898 31152 31408 33748 33984 35334 35636 36816 37581 39864 41184 41536 43186 43488 46728 47112 49088 50108 50622 53152 53454 54912 55224 57984 59796 62304 62816 64779 67496 67968 70668 71272 73632 75162 75933 79728 80181 82368 83072 86372 86976 93456 94224 97999 98176 100216 101244 106304 106908 110448 112743 115817 119592 124608 125632 129558 134992 137797 141336 142544 147264 150324 151866 159456 160362 162851 164736 172744 173952 186912 188448 194337 195998 200432 202488 212608 213816 220896 225486 231634 239184 249216 251264 259116 269984 275594 282672 285088 293997 294528 300648 303732 318912 320724 325702 345488 347451 373824 376896 388674 391996 400864 404976 413391 427632 441792 450972 463268 478368 488553 518232 539968 551188 565344 570176 587994 601296 607464 637824 641448 651404 690976 694902 739093 747648 753792 777348 783992 801728 809952 826782 855264 881991 883584 901944 926536 956736 977106 1036464 1042353 1079936 1102376 1130688 1140352 1175988 1202592 1214928 1240173 1273987 1282896 1302808 1381952 1389804 1465659 1478186 1554696 1567984 1603456 1619904 1653564 1710528 1763982 1791361 1803888 1853072 1891577 1913472 1954212 2072928 2084706 2204752 2217279 2261376 2351976 2405184 2429856 2480346 2547974 2565792 2605616 2763904 2779608 2931318 2956372 3109392 3135968 3239808 3307128 3421056 3527964 3582722 3607776 3706144 3783154 3821961 3908424 4145856 4169412 4409504 4434558 4703952 4810368 4859712 4960692 5095948 5131584 5211232 5374083 5559216 5674731 5862636 5912744 6218784 6271936 6614256 6651837 7055928 7165444 7215552 7412288 7566308 7643922 7816848 8130023 8291712 8338824 8819008 8869116 9407904 9608209 9719424 9921384 10191896 10263168 10422464 10748166 11118432 11349462 11465883 11725272 11825488 12437568 12543872 13228512 13303674 14111856 14330888 14431104 14824576 15132616 15287844 15633696 16122249 16260046 16677648 17024193 17638016 17738232 18815808 19216418 19842768 20383792 20807347 20844928 21496332 22236864 22698924 22931766 23450544 23650976 24390069 24590501 24875136 26457024 26607348 28223712 28661776 28824627 30265232 30575688 31267392 32244498 32520092 33355296 34048386 35476464 37631616 38432836 39685536 40767584 41614694 42992664 44473728 45397848 45863532 46901088 47301952 48780138 49181002 52914048 53214696 56447424 57323552 57649254 60530464 61151376 62422041 62534784 64488996 65040184 66710592 68096772 70952928 73170207 73771503 76865672 79371072 81535168 83229388 85985328 86473881 90795696 91727064 93802176 94603904 97560276 98362004 105690299 106429392 111603043 112894848 114647104 115298508 121060928 122302752 124844082 128977992 130080368 133421184 136193544 141905856 146340414 147543006 153731344 158742144 163070336 166458776 171970656 172947762 181591392 183454128 187266123 187604352 195120552 196724008 211380598 212858784 221314509 223206086 229294208 230597016 242121856 244605504 249688164 257955984 260160736 270495511 272387088 283811712 292680828 295086012 307462688 317070897 332917552 334809129 343941312 345895524 363182784 366908256 374532246 390241104 393448016 422761196 425717568 442629018 446412172 461194032 489211008 499376328 515911968 520321472 540991022 544774176 585361656 590172024 614925376 634141794 665835104 669618258 687882624 691791048 726365568 733816512 749064492 780482208 786896032 811486533 845522392 851435136 885258036 892824344 922388064 951212691 998752656 1004427387 1031823936 1040642944 1081982044 1089548352 1170723312 1180344048 1227633473 1229850752 1268283588 1331670208 1339236516 1383582096 1450839559 1467633024 1498128984 1560964416 1573792064 1622973066 1691044784 1770516072 1785648688 1844776128 1902425382 1997505312 2008854774 2063647872 2163964088 2179096704 2341446624 2360688096 2434459599 2455266946 2536567176 2663340416 2678473032 2767164192 2901679118 2996257968 3121928832 3147584128 3245946132 3382089568 3541032144 3571297376 3682900419 3689552256 3804850764 3995010624 4017709548 4327928176 4352518677 4682893248 4721376192 4868919198 4910533892 5073134352 5356946064 5534328384 5803358236 5992515936 6491892264 6764179136 7082064288 7142594752 7365800838 7609701528 7990021248 8035419096 8655856352 8705037354 9365786496 9442752384 9737838396 9821067784 10146268704 10713892128 11048701257 11068656768 11606716472 11985031872 12983784528 13057556031 13528358272 14164128576 14285189504 14731601676 15219403056 15959235149 16070838192 17311712704 17410074708 19475676792 19642135568 20292537408 21427784256 22097402514 23213432944 23970063744 25967569056 26115112062 28328257152 29463203352 30438806112 31918470298 32141676384 34623425408 34820149416 38951353584 39284271136 40585074816 42855568512 44194805028 46426865888 47877705447 51935138112 52230224124 58926406704 60877612224 63836940596 64283352768 69640298832 77902707168 78568542272 88389610056 92853731776 95755410894 103870276224 104460448248 117852813408 121755224448 127673881192 128566705536 139280597664 143633116341 155805414336 157137084544 176779220112 185707463552 191510821788 208920896496 235705626816 255347762384 278561195328 287266232682 311610828672 353558440224 383021643576 417841792992 471411253632 510695524768 557122390656 574532465364 707116880448 766043287152 835683585984 1021391049536 1149064930728 1414233760896 1532086574304 1671367171968 2042782099072 2298129861456 3064173148608 4596259722912 6128346297216 9192519445824 18385038891648
• Sum of all divisors σ(n): 63631095091200
• Sum of proper divisors (its aliquot sum) s(n): 45246056199552
• 18385038891648 is an abundant number, because the sum of its proper divisors (45246056199552) is greater than itself. Its abundance is 26861017307904

Bases of 18385038891648

• Binary: 100001011100010011001101101100101101010000000₂
• Hexadecimal: 0x10B899B65A80
• Base-36: 6ILYXGV40

Squares and roots of 18385038891648

• 18385038891648 squared (18385038891648²) is 338009655047409520284155904
• 18385038891648 cubed (18385038891648³) is 6214320653799148735698581035291395489792
• The square root of 18385038891648 is 4287777.8500813215
• The cube root of 18385038891648 is 26392.9651498211

Scales and comparisons

• 18,385,038,891,648 seconds is equal to 584,587 years, 19 weeks, 23 hours, 40 minutes, 48 seconds.
• To count from 1 to 18,385,038,891,648 would take you about one million, four hundred sixty-one thousand, four hundred sixty-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 18385038891648 cubic inches would be around 2199.4 feet tall.

Recreational maths with 18385038891648

• 18385038891648 backwards is 84619883058381
• 18385038891648 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18385038891648's digits is 72
• More coming soon!