18218569248

Names of 18218569248

• Cardinal: 18218569248 can be written as Eighteen billion, two hundred eighteen million, five hundred sixty-nine thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 1.8218569248 × 10¹⁰

Factors of 18218569248

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 100

Divisors of 18218569248

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 32 33 34 36 44 48 51 54 66 67 68 72 81 88 96 99 102 108 121 132 134 136 144 153 162 176 187 198 201 204 216 242 243 264 268 272 288 289 297 306 324 352 363 374 396 402 408 432 459 484 486 528 536 544 561 578 594 603 612 648 726 737 748 792 804 816 864 867 891 918 968 972 1056 1072 1089 1122 1139 1156 1188 1206 1224 1296 1377 1452 1474 1496 1584 1608 1632 1683 1734 1782 1809 1836 1936 1944 2057 2144 2178 2211 2244 2278 2312 2376 2412 2448 2592 2601 2673 2754 2904 2948 2992 3168 3179 3216 3267 3366 3417 3468 3564 3618 3672 3872 3888 4114 4131 4356 4422 4488 4556 4624 4752 4824 4896 5049 5202 5346 5427 5508 5808 5896 5984 6171 6358 6432 6534 6633 6732 6834 6936 7128 7236 7344 7776 7803 8107 8228 8262 8712 8844 8976 9112 9248 9504 9537 9648 9801 10098 10251 10404 10692 10854 11016 11616 11792 12342 12529 12716 13068 13266 13464 13668 13872 14256 14472 14688 15147 15606 16214 16281 16456 16524 17424 17688 17952 18224 18513 19074 19296 19363 19602 19899 20196 20502 20808 21384 21708 22032 23409 23584 24321 24684 25058 25432 26136 26532 26928 27336 27744 28512 28611 28944 29403 30294 30753 31212 32428 32562 32912 33048 34848 34969 35376 36448 37026 37587 38148 38726 39204 39798 40392 41004 41616 42768 43416 44064 45441 46818 48642 49368 50116 50864 52272 53064 53856 54672 55539 57222 57888 58089 58806 59697 60588 61506 62424 64856 65124 65824 66096 69938 70227 70752 72963 74052 75174 76296 77452 78408 79596 80784 82008 83232 85536 85833 86832 90882 92259 93636 97284 98736 100232 101728 104544 104907 106128 109344 111078 112761 114444 116178 117612 119394 121176 123012 124848 129712 130248 132192 137819 139876 140454 145926 148104 150348 152592 154904 156816 159192 161568 164016 166617 171666 173664 174267 179091 181764 184518 187272 194568 197472 200464 209814 212256 212993 218889 222156 225522 228888 232356 235224 238788 242352 246024 249696 257499 259424 260496 275638 276777 279752 280908 291852 296208 300696 305184 309808 313632 314721 318384 328032 333234 338283 343332 348534 358182 363528 369036 374544 389136 400928 413457 419628 425986 437778 444312 451044 457776 464712 470448 477576 484704 492048 499851 514998 520992 522801 551276 553554 559504 561816 583704 592416 601392 619616 629442 636768 638979 656667 666468 676566 686664 697068 716364 727056 738072 749088 772497 778272 826914 839256 851972 875556 888624 902088 915552 929424 940896 944163 955152 984096 999702 1014849 1029996 1045602 1102552 1107108 1119008 1123632 1167408 1202784 1240371 1258884 1277958 1313334 1332936 1353132 1373328 1394136 1432728 1454112 1476144 1544994 1568403 1653828 1678512 1703944 1751112 1777248 1804176 1858848 1888326 1910304 1916937 1970001 1999404 2029698 2059992 2091204 2205104 2214216 2247264 2334816 2342923 2480742 2517768 2555916 2626668 2665872 2706264 2746656 2788272 2832489 2865456 2952288 3044547 3089988 3136806 3307656 3357024 3407888 3502224 3608352 3721113 3776652 3833874 3940002 3998808 4059396 4119984 4182408 4410208 4428432 4685846 4705209 4961484 5035536 5111832 5253336 5331744 5412528 5576544 5664978 5730912 5750811 6089094 6179976 6273612 6615312 6815776 7004448 7028769 7442226 7553304 7667748 7880004 7997616 8118792 8239968 8364816 8497467 8856864 9371692 9410418 9922968 10071072 10223664 10506672 10825056 11163339 11329956 11501622 12178188 12359952 12547224 13230624 14057538 14884452 15106608 15335496 15760008 15995232 16237584 16729632 16994934 17252433 18743384 18820836 19845936 20447328 21013344 21086307 22326678 22659912 23003244 24356376 24719904 25094448 28115076 29768904 30213216 30670992 31520016 32475168 33490017 33989868 34504866 37486768 37641672 39691872 42172614 44653356 45319824 46006488 48712752 50188896 51757299 56230152 59537808 61341984 63040032 63258921 66980034 67979736 69009732 74973536 75283344 84345228 89306712 90639648 92012976 97425504 103514598 112460304 119075616 126517842 133960068 135959472 138019464 150566688 168690456 178613424 184025952 189776763 207029196 224920608 253035684 267920136 271918944 276038928 337380912 357226848 379553526 414058392 506071368 535840272 552077856 569330289 674761824 759107052 828116784 1012142736 1071680544 1138660578 1518214104 1656233568 2024285472 2277321156 3036428208 4554642312 6072856416 9109284624 18218569248
• Sum of all divisors σ(n): 63670881456
• Sum of proper divisors (its aliquot sum) s(n): 45452312208
• 18218569248 is an abundant number, because the sum of its proper divisors (45452312208) is greater than itself. Its abundance is 27233742960

Bases of 18218569248

• Binary: 10000111101111010010100111000100000₂
• Hexadecimal: 0x43DE94E20
• Base-36: 8DAV600

Squares and roots of 18218569248

• 18218569248 squared (18218569248²) is 331916265444171285504
• 18218569248 cubed (18218569248³) is 6047039466532184042927802580992
• The square root of 18218569248 is 134976.1802985993
• The cube root of 18218569248 is 2631.3064031571

Scales and comparisons

• 18,218,569,248 seconds is equal to 579 years, 15 weeks, 2 days, 1 hour, 40 minutes, 48 seconds.
• To count from 1 to 18,218,569,248 would take you about one thousand, one hundred fifty-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 18218569248 cubic inches would be around 219.3 feet tall.

Recreational maths with 18218569248

• 18218569248 backwards is 84296581281
• 18218569248 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18218569248's digits is 54
• More coming soon!