18445752864

Names of 18445752864

• Cardinal: 18445752864 can be written as Eighteen billion, four hundred forty-five million, seven hundred fifty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8445752864 × 10¹⁰

Factors of 18445752864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 186

Divisors of 18445752864

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 49 54 56 63 66 72 77 81 84 88 96 98 99 108 112 126 132 144 147 154 162 163 168 176 189 196 198 216 224 231 243 252 264 288 294 297 308 324 326 336 352 378 392 396 432 441 462 486 489 504 528 539 567 588 594 616 648 652 672 693 729 756 784 792 864 882 891 924 972 978 1008 1056 1078 1134 1141 1176 1188 1232 1296 1304 1323 1386 1458 1467 1512 1568 1584 1617 1701 1764 1782 1793 1848 1944 1956 2016 2079 2156 2187 2268 2282 2352 2376 2464 2592 2608 2646 2673 2772 2916 2934 3024 3168 3234 3402 3423 3528 3564 3586 3696 3888 3912 3969 4158 4312 4374 4401 4536 4564 4704 4752 4851 5103 5216 5292 5346 5379 5544 5832 5868 6048 6237 6468 6561 6804 6846 7056 7128 7172 7392 7776 7824 7938 7987 8019 8316 8624 8748 8802 9072 9128 9504 9702 10206 10269 10584 10692 10758 11088 11664 11736 11907 12474 12551 12936 13122 13203 13608 13692 14112 14256 14344 14553 15309 15648 15876 15974 16038 16137 16632 17248 17496 17604 18144 18256 18711 19404 20412 20538 21168 21384 21516 22176 23328 23472 23814 23961 24057 24948 25102 25872 26244 26406 27216 27384 28512 28688 29106 30618 30807 31752 31948 32076 32274 33264 34992 35208 35721 36512 37422 37653 38808 39609 40824 41076 42336 42768 43032 43659 45927 46944 47628 47922 48114 48411 49896 50204 51744 52488 52812 54432 54768 56133 57376 58212 61236 61614 63504 63896 64152 64548 66528 69984 70416 71442 71883 72171 74844 75306 77616 79218 81648 82152 85536 86064 87318 87857 91854 92421 95256 95844 96228 96822 99792 100408 104976 105624 107163 109536 112266 112959 116424 118827 122472 123228 127008 127792 128304 129096 130977 140832 142884 143766 144342 145233 149688 150612 155232 158436 163296 164304 168399 172128 174636 175714 183708 184842 190512 191688 192456 193644 199584 200816 209952 211248 214326 215649 224532 225918 232848 237654 244944 246456 255584 256608 258192 261954 263571 277263 285768 287532 288684 290466 299376 301224 316872 321489 328608 336798 338877 349272 351428 356481 367416 369684 381024 383376 384912 387288 392931 401632 422496 428652 431298 435699 449064 451836 465696 475308 489888 492912 505197 516384 523908 527142 554526 571536 575064 577368 580932 598752 602448 633744 642978 646947 673596 677754 698544 702856 712962 734832 739368 766752 769824 774576 785862 790713 831789 857304 862596 871398 898128 903672 950616 985824 1010394 1016631 1047816 1054284 1069443 1109052 1143072 1150128 1154736 1161864 1178793 1204896 1267488 1285956 1293894 1307097 1347192 1355508 1397088 1405712 1425924 1469664 1478736 1549152 1571724 1581426 1663578 1714608 1725192 1742796 1796256 1807344 1901232 1940841 2020788 2033262 2095632 2108568 2138886 2218104 2300256 2309472 2323728 2357586 2372139 2495367 2571912 2587788 2614194 2694384 2711016 2811424 2851848 2957472 3049893 3143448 3162852 3327156 3429216 3450384 3485592 3536379 3614688 3802464 3881682 3921291 4041576 4066524 4191264 4217136 4277772 4436208 4647456 4715172 4744278 4990734 5143824 5175576 5228388 5388768 5422032 5703696 5822523 6099786 6286896 6325704 6654312 6900768 6971184 7072758 7116417 7486101 7763364 7842582 8083152 8133048 8434272 8555544 8872416 9149679 9430344 9488556 9981468 10287648 10351152 10456776 10844064 11407392 11645046 11763873 12199572 12573792 12651408 13308624 13942368 14145516 14232834 14972202 15526728 15685164 16166304 16266096 17111088 17467569 18299358 18860688 18977112 19962936 20702304 20913552 21349251 23290092 23527746 24399144 25302816 26617248 27449037 28291032 28465668 29944404 31053456 31370328 32532192 34222176 34935138 36598716 37721376 37954224 39925872 41827104 42698502 46580184 47055492 48798288 52402707 54898074 56582064 56931336 59888808 62106912 62740656 64047753 69870276 73197432 75908448 79851744 82347111 85397004 93160368 94110984 97596576 104805414 109796148 113164128 113862672 119777616 125481312 128095506 139740552 146394864 164694222 170794008 186320736 188221968 192143259 209610828 219592296 227725344 239555232 256191012 279481104 292789728 329388444 341588016 376443936 384286518 419221656 439184592 512382024 558962208 576429777 658776888 683176032 768573036 838443312 878369184 1024764048 1152859554 1317553776 1537146072 1676886624 2049528096 2305719108 2635107552 3074292144 4611438216 6148584288 9222876432 18445752864
• Sum of all divisors σ(n): 69547213008
• Sum of proper divisors (its aliquot sum) s(n): 51101460144
• 18445752864 is an abundant number, because the sum of its proper divisors (51101460144) is greater than itself. Its abundance is 32655707280

Bases of 18445752864

• Binary: 10001001011011100111101101000100000₂
• Hexadecimal: 0x44B73DA20
• Base-36: 8H24I00

Squares and roots of 18445752864

• 18445752864 squared (18445752864²) is 340245798719764202496
• 18445752864 cubed (18445752864³) is 6276089916199058071595267948544
• The square root of 18445752864 is 135815.1422485725
• The cube root of 18445752864 is 2642.1986229981

Scales and comparisons

• 18,445,752,864 seconds is equal to 586 years, 26 weeks, 6 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,445,752,864 would take you about one thousand, one hundred seventy-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 18445752864 cubic inches would be around 220.2 feet tall.

Recreational maths with 18445752864

• 18445752864 backwards is 46825754481
• 18445752864 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18445752864's digits is 54
• More coming soon!