18140894784

Names of 18140894784

• Cardinal: 18140894784 can be written as Eighteen billion, one hundred forty million, eight hundred ninety-four thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.8140894784 × 10¹⁰

Factors of 18140894784

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 126

Divisors of 18140894784

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 29 32 36 38 48 54 57 58 64 72 73 76 81 87 96 108 114 116 144 146 152 162 171 174 192 216 219 228 232 243 261 288 292 304 324 342 348 432 438 456 464 486 513 522 551 576 584 608 648 657 684 696 783 841 864 876 912 928 972 1026 1044 1102 1168 1216 1296 1314 1368 1387 1392 1539 1566 1653 1682 1728 1752 1824 1856 1944 1971 2052 2088 2117 2204 2336 2349 2523 2592 2628 2736 2774 2784 3078 3132 3306 3364 3504 3648 3888 3942 4104 4161 4176 4234 4408 4617 4672 4698 4959 5046 5184 5256 5472 5548 5568 5913 6156 6264 6351 6612 6728 7008 7047 7569 7776 7884 8208 8322 8352 8468 8816 9234 9396 9918 10092 10512 10944 11096 11826 12312 12483 12528 12702 13224 13456 14016 14094 14877 15138 15552 15768 15979 16416 16644 16704 16936 17632 17739 18468 18792 19053 19836 20184 21024 22192 22707 23652 24624 24966 25056 25404 26448 26912 28188 29754 30276 31536 31958 32832 33288 33872 35264 35478 36936 37449 37584 38106 39672 40223 40368 42048 44384 44631 45414 47304 47937 49248 49932 50112 50808 52896 53824 56376 57159 59508 60552 61393 63072 63916 66576 67744 68121 70956 73872 74898 75168 76212 79344 80446 80736 88768 89262 90828 94608 95874 98496 99864 101616 105792 112347 112752 114318 119016 120669 121104 122786 126144 127832 133152 133893 135488 136242 141912 143811 147744 149796 150336 152424 158688 160892 161472 171477 178524 181656 184179 189216 191748 199728 203232 204363 224694 225504 228636 238032 241338 242208 245572 255664 266304 267786 272484 283824 287622 295488 299592 304848 317376 321784 337041 342954 357048 362007 363312 368358 378432 383496 399456 406464 408726 431433 449388 451008 457272 476064 482676 484416 491144 511328 514431 535572 544968 552537 567648 575244 599184 609696 643568 674082 685908 714096 724014 726624 736716 766992 798912 817452 862866 898776 914544 952128 965352 982288 1022656 1028862 1071144 1086021 1089936 1105074 1135296 1150488 1166467 1198368 1219392 1287136 1294299 1348164 1371816 1428192 1448028 1453248 1473432 1533984 1634904 1657611 1725732 1797552 1829088 1930704 1964576 2057724 2142288 2172042 2179872 2210148 2300976 2332934 2396736 2574272 2588598 2696328 2743632 2856384 2896056 2946864 3067968 3258063 3269808 3315222 3451464 3499401 3595104 3658176 3861408 3882897 3929152 4115448 4284576 4344084 4359744 4420296 4601952 4665868 4972833 5177196 5392656 5487264 5792112 5893728 6516126 6539616 6630444 6902928 6998802 7190208 7722816 7765794 8230896 8569152 8688168 8840592 9203904 9331736 9774189 9945666 10354392 10498203 10785312 10974528 11584224 11787456 13032252 13079232 13260888 13805856 13997604 14918499 15531588 16461792 17376336 17681184 18663472 19548378 19891332 20708784 20996406 21570624 23168448 26064504 26521776 27611712 27995208 29836998 31063176 31494609 32923584 34752672 35362368 37326944 39096756 39782664 41417568 41992812 52129008 53043552 55990416 59673996 62126352 62989218 69505344 74653888 78193512 79565328 82835136 83985624 94483827 104258016 106087104 111980832 119347992 124252704 125978436 156387024 159130656 167971248 188967654 208516032 223961664 238695984 248505408 251956872 283451481 312774048 318261312 335942496 377935308 477391968 503913744 566902962 625548096 671884992 755870616 954783936 1007827488 1133805924 1511741232 2015654976 2267611848 3023482464 4535223696 6046964928 9070447392 18140894784
• Sum of all divisors σ(n): 59591590240
• Sum of proper divisors (its aliquot sum) s(n): 41450695456
• 18140894784 is an abundant number, because the sum of its proper divisors (41450695456) is greater than itself. Its abundance is 23309800672

Bases of 18140894784

• Binary: 10000111001010010000001011001000000₂
• Hexadecimal: 0x439481640
• Base-36: 8C0MC00

Squares and roots of 18140894784

• 18140894784 squared (18140894784²) is 329092063564158406656
• 18140894784 cubed (18140894784³) is 5970024499366837688655581282304
• The square root of 18140894784 is 134688.1389878113
• The cube root of 18140894784 is 2627.5615706963

Scales and comparisons

• 18,140,894,784 seconds is equal to 576 years, 42 weeks, 6 days, 1 hour, 26 minutes, 24 seconds.
• To count from 1 to 18,140,894,784 would take you about one thousand, one hundred fifty-three 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 18140894784 cubic inches would be around 219 feet tall.

Recreational maths with 18140894784

• 18140894784 backwards is 48749804181
• 18140894784 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18140894784's digits is 54
• More coming soon!