18388612224

Names of 18388612224

• Cardinal: 18388612224 can be written as Eighteen billion, three hundred eighty-eight million, six hundred twelve thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 1.8388612224 × 10¹⁰

Factors of 18388612224

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 41

Divisors of 18388612224

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 19 24 27 32 34 36 38 48 51 54 57 64 68 72 76 81 96 102 108 114 128 136 144 152 153 162 171 192 204 216 228 272 288 289 304 306 323 324 342 361 384 408 432 456 459 513 544 576 578 608 612 646 648 684 722 816 864 867 912 918 969 1026 1083 1088 1152 1156 1216 1224 1292 1296 1368 1377 1444 1539 1632 1728 1734 1824 1836 1938 2052 2166 2176 2312 2432 2448 2584 2592 2601 2736 2754 2888 2907 3078 3249 3264 3456 3468 3648 3672 3876 4104 4332 4624 4896 4913 5168 5184 5202 5472 5491 5508 5776 5814 6137 6156 6498 6528 6936 7296 7344 7752 7803 8208 8664 8721 9248 9747 9792 9826 10336 10368 10404 10944 10982 11016 11552 11628 12274 12312 12996 13872 14688 14739 15504 15606 16416 16473 17328 17442 18411 18496 19494 19584 19652 20672 20808 21888 21964 22032 23104 23256 23409 24548 24624 25992 26163 27744 29241 29376 29478 31008 31212 32832 32946 34656 34884 36822 36992 38988 39304 41344 41616 43928 44064 44217 46208 46512 46818 49096 49248 49419 51984 52326 55233 55488 58482 58752 58956 62016 62424 65664 65892 69312 69768 73644 77976 78608 83232 87856 88128 88434 93024 93347 93636 98192 98496 98838 103968 104329 104652 110466 110976 116964 117912 124032 124848 131784 132651 138624 139536 147288 148257 155952 157216 165699 166464 175712 176256 176868 186048 186694 187272 196384 196992 197676 207936 208658 209304 220932 233928 235824 249696 263568 265302 279072 280041 294576 296514 311904 312987 314432 331398 332928 351424 353736 372096 373388 374544 392768 395352 397953 415872 417316 418608 441864 444771 467856 471648 497097 499392 527136 530604 558144 560082 589152 593028 623808 625974 628864 662796 702848 707472 746776 749088 785536 790704 795906 834632 837216 840123 883728 889542 935712 938961 943296 994194 998784 1054272 1061208 1116288 1120164 1178304 1186056 1247616 1251948 1325592 1414944 1493552 1498176 1581408 1591812 1669264 1674432 1680246 1767456 1773593 1779084 1871424 1877922 1886592 1988388 2108544 2122416 2240328 2356608 2372112 2503896 2520369 2651184 2816883 2829888 2987104 2996352 3162816 3183624 3338528 3348864 3360492 3534912 3547186 3558168 3742848 3755844 3976776 4244832 4480656 4744224 5007792 5040738 5302368 5320779 5633766 5659776 5974208 6325632 6367248 6677056 6720984 7069824 7094372 7116336 7511688 7561107 7953552 8450649 8489664 8961312 9488448 10015584 10081476 10604736 10641558 11267532 11948416 12734496 13354112 13441968 14188744 14232672 15023376 15122214 15907104 15962337 16901298 16979328 17922624 18976896 20031168 20162952 21209472 21283116 22535064 25468992 26883936 28377488 28465344 30046752 30244428 31814208 31924674 33802596 35845248 40062336 40325904 42566232 45070128 47887011 50937984 53767872 56754976 56930688 60093504 60488856 63628416 63849348 67605192 80651808 85132464 90140256 95774022 107535744 113509952 120187008 120977712 127698696 135210384 143661033 161303616 170264928 180280512 191548044 227019904 241955424 255397392 270420768 287322066 322607232 340529856 360561024 383096088 483910848 510794784 540841536 574644132 681059712 766192176 967821696 1021589568 1081683072 1149288264 1532384352 2043179136 2298576528 3064768704 4597153056 6129537408 9194306112 18388612224
• Sum of all divisors σ(n): 61365041100
• Sum of proper divisors (its aliquot sum) s(n): 42976428876
• 18388612224 is an abundant number, because the sum of its proper divisors (42976428876) is greater than itself. Its abundance is 24587816652

Bases of 18388612224

• Binary: 10001001000000010111111010010000000₂
• Hexadecimal: 0x4480BF480
• Base-36: 8G43S00

Squares and roots of 18388612224

• 18388612224 squared (18388612224²) is 338141059524642226176
• 18388612224 cubed (18388612224³) is 6217944820611147669486566375424
• The square root of 18388612224 is 135604.6172665223
• The cube root of 18388612224 is 2639.4674959037

Scales and comparisons

• 18,388,612,224 seconds is equal to 584 years, 36 weeks, 3 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 18,388,612,224 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 18388612224 cubic inches would be around 220 feet tall.

Recreational maths with 18388612224

• 18388612224 backwards is 42221688381
• The number of decimal digits it has is: 11
• The sum of 18388612224's digits is 45
• More coming soon!