18729926232864

Names of 18729926232864

• Cardinal: 18729926232864 can be written as Eighteen trillion, seven hundred twenty-nine billion, nine hundred twenty-six million, two hundred thirty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8729926232864 × 10¹³

Factors of 18729926232864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 636

Divisors of 18729926232864

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 121 132 154 168 176 224 231 242 264 308 336 352 363 462 484 528 613 616 672 726 847 924 968 1056 1226 1232 1452 1694 1839 1848 1936 2452 2464 2541 2904 3388 3678 3696 3872 4291 4904 5082 5808 6743 6776 7356 7392 8582 9808 10164 11616 12873 13486 13552 14712 17164 19616 20229 20328 25746 26972 27104 29424 34328 40458 40656 47201 51492 53944 58848 68656 74173 80916 81312 94402 102984 107888 137312 141603 148346 161832 188804 205968 215776 222519 283206 296692 323664 375769 377608 411936 445038 519211 566412 593384 647328 751538 755216 890076 1038422 1127307 1132824 1186768 1503076 1510432 1557633 1780152 2076844 2254614 2265648 2373536 2630383 3006152 3115266 3560304 4133459 4153688 4509228 4531296 5260766 6012304 6230532 7120608 7891149 8266918 8307376 9018456 10521532 12024608 12400377 12461064 15782298 16533836 16614752 18036912 21043064 24800754 24922128 28934213 31564596 33067672 36073824 42086128 45468049 49601508 49844256 57868426 63129192 66135344 84172256 86802639 90936098 99203016 115736852 126258384 132270688 136404147 173605278 181872196 198406032 230346397 231473704 252516768 272808294 318276343 347210556 363744392 396812064 460692794 462947408 545616588 636552686 691039191 694421112 727488784 921385588 925894816 954829029 1091233176 1273105372 1382078382 1388842224 1454977568 1612424779 1842771176 1909658058 2182466352 2533810367 2546210744 2764156764 2777684448 3224849558 3685542352 3819316116 4364932704 4837274337 5067620734 5092421488 5528313528 6449699116 7371084704 7601431101 7638632232 9674548674 10135241468 10184842976 11056627056 12899398232 15202862202 15277264464 17736672569 19349097348 20270482936 22113254112 25798796464 27871914037 30405724404 30554528928 35473345138 38698194696 40540965872 51597592928 53210017707 55743828074 60811448808 70946690276 77396389392 81081931744 83615742111 106420035414 111487656148 121622897616 141893380552 154792778784 167231484222 195103398259 212840070828 222975312296 243245795232 283786761104 334462968444 390206796518 425680141656 445950624592 567573522208 585310194777 668925936888 780413593036 851360283312 891901249184 1170620389554 1337851873776 1560827186072 1702720566624 2341240779108 2675703747552 3121654372144 4682481558216 6243308744288 9364963116432 18729926232864
• Sum of all divisors σ(n): 61863237555840
• Sum of proper divisors (its aliquot sum) s(n): 43133311322976
• 18729926232864 is an abundant number, because the sum of its proper divisors (43133311322976) is greater than itself. Its abundance is 24403385090112

Bases of 18729926232864

• Binary: 100010000100011100110100110011000101100100000₂
• Hexadecimal: 0x1108E6998B20
• Base-36: 6N0EQHIQO

Squares and roots of 18729926232864

• 18729926232864 squared (18729926232864²) is 350810136688527030353642496
• 18729926232864 cubed (18729926232864³) is 6570647981917047997360636176805902188544
• The square root of 18729926232864 is 4327808.4792264087
• The cube root of 18729926232864 is 26556.9801505771

Scales and comparisons

• 18,729,926,232,864 seconds is equal to 595,553 years, 37 weeks, 2 days, 14 hours, 54 minutes, 24 seconds.
• To count from 1 to 18,729,926,232,864 would take you about one million, four hundred eighty-eight thousand, eight hundred eighty-four 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 18729926232864 cubic inches would be around 2213.1 feet tall.

Recreational maths with 18729926232864

• 18729926232864 backwards is 46823262992781
• The number of decimal digits it has is: 14
• The sum of 18729926232864's digits is 69
• More coming soon!