18385792128

Names of 18385792128

• Cardinal: 18385792128 can be written as Eighteen billion, three hundred eighty-five million, seven hundred ninety-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8385792128 × 10¹⁰

Factors of 18385792128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 171

Divisors of 18385792128

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 29 32 33 34 36 44 48 51 54 58 64 66 68 72 81 87 88 96 99 102 108 109 116 128 132 136 144 153 162 174 176 187 192 198 204 216 218 232 243 261 264 272 288 297 306 319 324 327 348 352 374 384 396 408 432 436 459 464 486 493 522 528 544 561 576 594 612 638 648 654 696 704 748 783 792 816 864 872 891 918 928 957 972 981 986 1044 1056 1088 1122 1152 1188 1199 1224 1276 1296 1308 1377 1392 1408 1479 1496 1566 1584 1632 1683 1728 1744 1782 1836 1853 1856 1914 1944 1962 1972 2088 2112 2176 2244 2349 2376 2398 2448 2552 2592 2616 2673 2754 2784 2871 2943 2958 2992 3132 3161 3168 3264 3366 3456 3488 3564 3597 3672 3706 3712 3828 3888 3924 3944 4131 4176 4224 4437 4488 4698 4752 4796 4896 5049 5104 5184 5232 5346 5423 5508 5559 5568 5742 5886 5916 5984 6264 6322 6336 6528 6732 6976 7047 7128 7194 7344 7412 7656 7776 7848 7888 8262 8352 8613 8829 8874 8976 9396 9483 9504 9592 9792 10098 10208 10368 10464 10692 10791 10846 11016 11118 11136 11484 11772 11832 11968 12528 12644 12672 13311 13464 13952 14094 14256 14388 14688 14824 15147 15312 15552 15696 15776 16269 16524 16677 16704 17226 17658 17748 17952 18792 18966 19008 19184 19584 20196 20383 20416 20928 21384 21582 21692 22032 22236 22968 23544 23664 23936 25056 25288 25839 26487 26622 26928 28188 28449 28512 28776 29376 29648 30294 30624 31104 31392 31552 32373 32538 33048 33354 33408 34452 34771 35316 35496 35904 37584 37932 38016 38368 39933 40392 40766 40832 41856 42768 43164 43384 44064 44472 45441 45936 47088 47328 48807 50031 50112 50576 51678 52974 53244 53737 53856 56376 56898 57024 57552 58752 59296 60588 61149 61248 62784 63104 64746 65076 66096 66708 68904 69542 70632 70992 71808 75168 75864 76736 77517 79866 80784 81532 85347 85536 86328 86768 88128 88944 90882 91872 94176 94656 97119 97614 100062 100224 101152 103356 104313 105948 106488 107474 107712 112752 113796 114048 115104 118592 119799 121176 122298 122496 125568 129492 130152 132192 133416 137808 139084 141264 141984 146421 150093 150336 151728 153472 155034 159732 161211 161568 163064 170694 171072 172656 173536 176256 177888 181764 183447 183744 188352 189312 194238 195228 200124 202304 206712 208626 211896 212976 214948 215424 225504 227592 230208 237184 239598 242352 244596 256041 258984 260304 264384 266832 275616 278168 282528 283968 291357 292842 300186 300672 303456 310068 312939 319464 322422 323136 326128 341388 342144 345312 347072 355776 363528 366894 367488 376704 388476 390456 400248 404608 413424 417252 423792 425952 429896 439263 450279 451008 455184 460416 479196 483633 484704 489192 512082 517968 520608 528768 533664 550341 551232 556336 565056 567936 582714 585684 591107 600372 606912 620136 625878 638928 644844 646272 652256 682776 690624 694144 711552 727056 733788 768123 776952 780912 800496 826848 834504 847584 851904 859792 878526 900558 902016 910368 938817 958392 967266 969408 978384 1024164 1035936 1041216 1067328 1100682 1102464 1112672 1130112 1165428 1171368 1182214 1200744 1213824 1240272 1251756 1277856 1289688 1304512 1317789 1365552 1381248 1450899 1454112 1467576 1536246 1553904 1561824 1600992 1651023 1653696 1669008 1695168 1703808 1719584 1757052 1773321 1801116 1820736 1877634 1916784 1934532 1938816 1956768 2048328 2071872 2082432 2134656 2201364 2225344 2330856 2342736 2364428 2401488 2480544 2503512 2555712 2579376 2609024 2635578 2731104 2816451 2901798 2908224 2935152 3072492 3107808 3123648 3201984 3302046 3307392 3338016 3390336 3439168 3514104 3546642 3602232 3641472 3755268 3833568 3869064 3913536 4096656 4143744 4352697 4402728 4450688 4661712 4685472 4728856 4802976 4953069 4961088 5007024 5111424 5158752 5271156 5319963 5462208 5632902 5803596 5816448 5870304 6144984 6215616 6247296 6403968 6604092 6676032 6878336 7028208 7093284 7204464 7510536 7667136 7738128 7827072 8193312 8449353 8705394 8805456 9323424 9370944 9457712 9605952 9906138 9922176 10014048 10317504 10542312 10639926 10924416 11265804 11607192 11740608 12289968 12431232 13058091 13208184 13352064 14056416 14186568 14408928 15021072 15334272 15476256 15959889 16386624 16898706 17410788 17610912 18646848 18741888 18915424 19211904 19812276 20028096 20635008 21084624 21279852 22531608 23214384 23481216 24579936 26116182 26416368 28112832 28373136 28817856 30042144 30952512 31919778 32773248 33797412 34821576 35221824 37293696 37830848 39624552 40056192 42169248 42559704 45063216 46428768 47879667 49159872 52232364 52832736 56225664 56746272 57635712 60084288 61905024 63839556 67594824 69643152 70443648 75661696 79249104 84338496 85119408 90126432 92857536 95759334 98319744 104464728 105665472 113492544 120168576 127679112 135189648 139286304 143639001 158498208 168676992 170238816 180252864 185715072 191518668 208929456 211330944 226985088 255358224 270379296 278572608 287278002 316996416 340477632 360505728 383037336 417858912 510716448 540758592 557145216 574556004 633992832 680955264 766074672 835717824 1021432896 1081517184 1149112008 1532149344 1671435648 2042865792 2298224016 3064298688 4596448032 6128597376 9192896064 18385792128
• Sum of all divisors σ(n): 66162096000
• Sum of proper divisors (its aliquot sum) s(n): 47776303872
• 18385792128 is an abundant number, because the sum of its proper divisors (47776303872) is greater than itself. Its abundance is 29390511744

Bases of 18385792128

• Binary: 10001000111111000001110110010000000₂
• Hexadecimal: 0x447E0EC80
• Base-36: 8G2FC00

Squares and roots of 18385792128

• 18385792128 squared (18385792128²) is 338037352174026768384
• 18385792128 cubed (18385792128³) is 6215084488571185044215826481152
• The square root of 18385792128 is 135594.2186378163
• The cube root of 18385792128 is 2639.3325585453

Scales and comparisons

• 18,385,792,128 seconds is equal to 584 years, 31 weeks, 5 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,385,792,128 would take you about one thousand, one hundred sixty-nine 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 18385792128 cubic inches would be around 219.9 feet tall.

Recreational maths with 18385792128

• 18385792128 backwards is 82129758381
• 18385792128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18385792128's digits is 54
• More coming soon!