18993386412

Names of 18993386412

• Cardinal: 18993386412 can be written as Eighteen billion, nine hundred ninety-three million, three hundred eighty-six thousand, four hundred twelve.

Scientific notation

• Scientific notation: 1.8993386412 × 10¹⁰

Factors of 18993386412

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 277

Divisors of 18993386412

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 18 21 22 26 27 28 33 36 39 42 44 52 54 63 66 77 78 81 84 91 99 108 117 126 132 143 154 156 162 182 189 198 231 234 241 243 252 273 286 297 308 324 351 364 378 396 429 462 468 482 486 546 567 572 594 693 702 723 729 756 819 858 891 924 964 972 1001 1053 1092 1134 1188 1287 1386 1404 1446 1458 1638 1687 1701 1716 1782 2002 2079 2106 2169 2187 2268 2457 2574 2651 2673 2772 2892 2916 3003 3133 3159 3276 3374 3402 3564 3861 4004 4158 4212 4338 4374 4914 5061 5103 5148 5302 5346 6006 6237 6266 6318 6507 6561 6748 6804 7371 7722 7953 8019 8316 8676 8748 9009 9399 9477 9828 10122 10206 10604 10692 11583 12012 12474 12532 12636 13014 13122 14742 15183 15309 15444 15906 16038 18018 18557 18711 18798 18954 19521 19683 20244 20412 21931 22113 23166 23859 24057 24948 26028 26244 27027 28197 28431 29484 30366 30618 31812 32076 34463 34749 36036 37114 37422 37596 37908 39042 39366 43862 44226 45549 45927 46332 47718 48114 54054 55671 56133 56394 56862 58563 60732 61236 65793 66339 68926 69498 71577 72171 74228 74844 78084 78732 81081 84591 85293 87724 88452 91098 91854 95436 96228 103389 104247 108108 111342 112266 112788 113724 117126 131586 132678 136647 137781 137852 138996 143154 144342 162162 167013 168399 169182 170586 175689 182196 183708 197379 199017 206778 208494 214731 216513 222684 224532 234252 241241 243243 253773 255879 263172 265356 273294 275562 286308 288684 310167 312741 324324 334026 336798 338364 341172 351378 394758 398034 409941 413556 416988 429462 433026 482482 486486 501039 505197 507546 511758 527067 546588 551124 592137 597051 620334 625482 644193 668052 673596 702756 723723 729729 761319 789516 796068 819882 858924 866052 930501 938223 964964 972972 1002078 1010394 1015092 1023516 1054134 1184274 1194102 1229823 1240668 1250964 1288386 1447446 1459458 1503117 1515591 1522638 1581201 1639764 1776411 1791153 1861002 1876446 1932579 2004156 2020788 2108268 2171169 2189187 2283957 2368548 2388204 2459646 2576772 2791503 2814669 2894892 2918916 3006234 3031182 3045276 3162402 3552822 3582306 3689469 3722004 3752892 3865158 4342338 4378374 4509351 4567914 4743603 4919292 5329233 5583006 5629338 5797737 6012468 6062364 6324804 6513507 6567561 6851871 7105644 7164612 7378938 7730316 8374509 8684676 8756748 9018702 9135828 9487206 10658466 11068407 11166012 11258676 11595474 13027014 13135122 13528053 13703742 14757876 15987699 16749018 17393211 18037404 18974412 19540521 19702683 20555613 21316932 22136814 23190948 25123527 26054028 26270244 27056106 27407484 31975398 33205221 33498036 34786422 39081042 39405366 40584159 41111226 44273628 47963097 50247054 52179633 54112212 58621563 61666839 63950796 66410442 69572844 75370581 78162084 78810732 81168318 82222452 95926194 100494108 104359266 117243126 121752477 123333678 132820884 143889291 150741162 162336636 175864689 191852388 208718532 226111743 234486252 243504954 246667356 287778582 301482324 351729378 365257431 431667873 452223486 487009908 527594067 575557164 678335229 703458756 730514862 863335746 904446972 1055188134 1356670458 1461029724 1582782201 1726671492 2110376268 2713340916 3165564402 4748346603 6331128804 9496693206 18993386412
• Sum of all divisors σ(n): 67218353664
• Sum of proper divisors (its aliquot sum) s(n): 48224967252
• 18993386412 is an abundant number, because the sum of its proper divisors (48224967252) is greater than itself. Its abundance is 29231580840

Bases of 18993386412

• Binary: 10001101100000110000001001110101100₂
• Hexadecimal: 0x46C1813AC
• Base-36: 8Q466R0

Squares and roots of 18993386412

• 18993386412 squared (18993386412²) is 360748727395546233744
• 18993386412 cubed (18993386412³) is 6851839977060859985311065486528
• The square root of 18993386412 is 137816.4954277971
• The cube root of 18993386412 is 2668.0920038599

Scales and comparisons

• 18,993,386,412 seconds is equal to 603 years, 48 weeks, 2 days, 20 hours, 40 minutes, 12 seconds.
• To count from 1 to 18,993,386,412 would take you about one thousand, two hundred seven 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 18993386412 cubic inches would be around 222.3 feet tall.

Recreational maths with 18993386412

• 18993386412 backwards is 21468339981
• 18993386412 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18993386412's digits is 54
• More coming soon!