18013123128

Names of 18013123128

• Cardinal: 18013123128 can be written as Eighteen billion, thirteen million, one hundred twenty-three thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8013123128 × 10¹⁰

Factors of 18013123128

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 153

Divisors of 18013123128

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 19 21 22 24 26 28 31 33 38 39 42 44 52 56 57 62 66 67 76 77 78 84 88 91 93 104 114 124 132 133 134 143 152 154 156 168 182 186 201 209 217 228 231 247 248 264 266 268 273 286 308 312 341 361 364 372 399 402 403 418 429 434 456 462 469 494 532 536 546 572 589 616 627 651 682 722 728 737 741 744 798 804 806 836 858 868 871 924 938 988 1001 1023 1064 1083 1092 1144 1178 1209 1254 1273 1302 1364 1407 1444 1463 1474 1482 1596 1608 1612 1672 1716 1729 1736 1742 1767 1848 1876 1976 2002 2046 2077 2166 2184 2211 2356 2387 2418 2508 2527 2546 2604 2613 2717 2728 2814 2821 2888 2926 2948 2964 3003 3192 3224 3432 3458 3484 3534 3752 3819 3971 4004 4092 4123 4154 4332 4389 4422 4433 4693 4712 4774 4836 5016 5054 5092 5159 5187 5208 5226 5434 5628 5642 5852 5896 5928 6006 6097 6231 6479 6916 6968 7068 7161 7581 7638 7657 7942 8008 8151 8184 8246 8308 8463 8664 8778 8844 8866 8911 9386 9548 9581 9672 10108 10184 10318 10374 10452 10868 11191 11256 11284 11704 11913 12012 12194 12369 12462 12958 13299 13832 14003 14079 14136 14322 14539 15162 15276 15314 15477 15884 16302 16492 16549 16616 16926 17556 17688 17732 17822 18291 18772 19019 19096 19162 19437 20216 20636 20748 20904 21736 22382 22568 22847 22971 23826 24024 24187 24388 24738 24924 25916 26598 26733 27001 27797 28006 28158 28644 28743 29078 30324 30552 30628 30954 31031 31768 32604 32851 32984 33098 33573 33852 35112 35464 35644 36582 37544 38038 38324 38874 39463 41272 41496 42009 43617 44764 45353 45694 45942 47652 48374 48776 49476 49647 49848 51623 51832 53196 53466 53599 54002 55594 56012 56316 57057 57288 57486 58156 60648 61256 61908 62062 65208 65702 66196 67067 67146 67704 68541 71288 72561 73164 76076 76648 77748 78337 78926 81003 83391 84018 84227 87234 89528 90706 91388 91884 93093 95304 96748 98021 98553 98952 99294 103246 106392 106932 107198 108004 111188 112024 112632 114114 114972 115843 116312 118389 123101 123816 124124 131404 132392 134134 134292 136059 137082 145122 145483 146328 152152 154869 155496 156674 157852 159929 160797 162006 166782 168036 168454 169309 174468 181412 182039 182776 183768 186186 189007 193496 196042 197106 198588 201201 206492 213864 214396 216008 222376 228228 229944 231686 235011 236778 246202 248248 252681 262808 266057 268268 268584 272118 274164 276241 290244 290966 294063 297011 309738 313348 314431 315704 319858 321594 324012 333564 336072 336908 338618 347529 348936 361361 362824 364078 369303 372372 378014 392084 394212 397176 402402 412984 428792 434093 436449 456456 463372 470022 473556 479787 492404 505362 507927 513019 532114 536536 544236 546117 548328 552482 567021 580488 581932 588126 589589 594022 619476 626696 628862 639716 643188 648024 667128 673816 677236 695058 722722 728156 738606 744744 749797 756028 784168 788424 798171 804804 828723 861707 868186 872898 891033 926744 940044 943293 947112 959574 984808 1010724 1015854 1018381 1026038 1064228 1084083 1088472 1092234 1104964 1134042 1163864 1176252 1179178 1188044 1238952 1257724 1274273 1279432 1286376 1302279 1354472 1390116 1445444 1456312 1477212 1499594 1512056 1539057 1596342 1600313 1609608 1657446 1723414 1736372 1745796 1768767 1782066 1862399 1880088 1886586 1919148 2021448 2031708 2036762 2052076 2079077 2128456 2168166 2184468 2201017 2209928 2249391 2268084 2352504 2358356 2376088 2515448 2548546 2585121 2604558 2780232 2890888 2954424 2999188 3038651 3055143 3078114 3192684 3200626 3314892 3446828 3458741 3472744 3491592 3537534 3564132 3591133 3724798 3773172 3822819 3838296 4063416 4073524 4104152 4158154 4336332 4368936 4402034 4498782 4536168 4716712 4800939 5097092 5170242 5209116 5248579 5587197 5643209 5998376 6077302 6110286 6156228 6237231 6385368 6401252 6603051 6629784 6893656 6917482 7075068 7128264 7182266 7449596 7546344 7645638 8147048 8247767 8316308 8672664 8804068 8997564 9115953 9601878 9747361 10194184 10340484 10376223 10418232 10497158 10773399 11174394 11202191 11286418 12154604 12220572 12312456 12474462 12802504 13206102 13834964 14150136 14364532 14899192 15291276 15745737 16495534 16632616 16929627 17608136 17995128 18231906 19203756 19494722 20680968 20752446 20994316 21546798 22348788 22404382 22572836 24211187 24309208 24441144 24743301 24948924 26412204 27669928 28729064 29242083 30582552 31491474 32991068 33606573 33859254 36463812 38407512 38989444 39502463 41504892 41988632 43093596 44697576 44808764 45145672 48422374 49486602 49897848 52824408 57734369 58484166 62982948 65982136 67213146 67718508 68231527 72633561 72927624 77978888 79004926 83009784 86187192 89617528 96844748 98973204 107220971 115468738 116968332 118507389 125965896 134426292 135437016 136463054 145267122 158009852 173203107 193689496 197946408 204694581 214441942 230937476 233936664 237014778 268852584 272926108 290534244 316019704 321662913 346406214 409389162 428883884 461874952 474029556 545852216 581068488 643325826 692812428 750546797 818778324 857767768 948059112 1286651652 1385624856 1501093594 1637556648 2251640391 2573303304 3002187188 4503280782 6004374376 9006561564 18013123128
• Sum of all divisors σ(n): 66855075840
• Sum of proper divisors (its aliquot sum) s(n): 48841952712
• 18013123128 is an abundant number, because the sum of its proper divisors (48841952712) is greater than itself. Its abundance is 30828829584

Bases of 18013123128

• Binary: 10000110001101010100111001000111000₂
• Hexadecimal: 0x431AA7238
• Base-36: 89WJQRC

Squares and roots of 18013123128

• 18013123128 squared (18013123128²) is 324472604824488504384
• 18013123128 cubed (18013123128³) is 5844764982366398259089559793152
• The square root of 18013123128 is 134212.9767496423
• The cube root of 18013123128 is 2621.3781343959

Scales and comparisons

• 18,013,123,128 seconds is equal to 572 years, 39 weeks, 4 days, 5 hours, 18 minutes, 48 seconds.
• To count from 1 to 18,013,123,128 would take you about one thousand, one hundred forty-five 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 18013123128 cubic inches would be around 218.4 feet tall.

Recreational maths with 18013123128

• 18013123128 backwards is 82132131081
• The number of decimal digits it has is: 11
• The sum of 18013123128's digits is 30
• More coming soon!