18556714638

Names of 18556714638

• Cardinal: 18556714638 can be written as Eighteen billion, five hundred fifty-six million, seven hundred fourteen thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8556714638 × 10¹⁰

Factors of 18556714638

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 204

Divisors of 18556714638

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 31 33 42 49 62 63 66 71 77 79 93 98 99 121 126 142 147 154 158 186 198 213 217 231 237 242 279 294 341 363 426 434 441 462 474 497 539 553 558 639 651 682 693 711 726 781 847 869 882 994 1023 1078 1089 1106 1278 1302 1386 1422 1491 1519 1562 1617 1659 1694 1738 1953 2046 2178 2201 2343 2387 2449 2541 2607 2982 3038 3069 3234 3318 3479 3751 3871 3906 4402 4473 4557 4686 4774 4851 4898 4977 5082 5214 5467 5609 5929 6083 6138 6603 6958 7029 7161 7347 7502 7623 7742 7821 8591 8946 9114 9559 9702 9954 10437 10934 11218 11253 11613 11858 12166 13206 13671 14058 14322 14694 15246 15407 15642 16401 16709 16827 17143 17182 17787 18249 19118 19809 20874 21483 22041 22506 23226 24211 25773 26257 26939 27342 28677 30814 31311 32802 33418 33654 33759 34286 34839 35574 36498 38269 39263 39618 42581 42966 44082 46221 48422 49203 50127 50481 51429 51546 52514 53361 53878 54747 57354 60137 61699 62622 66913 67518 69678 72633 76538 77319 78526 78771 80817 85162 86031 92442 98406 100254 100962 102858 106722 107849 109494 114807 117789 120001 120274 123398 127743 133826 138663 145266 150381 154287 154638 157542 161634 169477 172062 173879 180411 183799 185097 188573 200739 215698 217899 229614 235578 236313 240002 242451 255486 266321 274841 277326 296329 300762 308574 323547 338954 344421 347758 353367 360003 360822 367598 370194 377146 383229 401478 420959 431893 435798 468391 472626 484902 508431 521637 532642 541233 549682 551397 555291 565719 592658 602217 647094 678689 688842 706734 720006 766458 798963 824523 841918 863786 888987 936782 970641 1016862 1043274 1080009 1082466 1102794 1110582 1131438 1186339 1204434 1217153 1262877 1295679 1320011 1357378 1405173 1525293 1564911 1597926 1649046 1654191 1697157 1777974 1864247 1912669 1941282 2036067 2074303 2160018 2372678 2396889 2434306 2473569 2525754 2591358 2640022 2666961 2810346 3023251 3050586 3129822 3308382 3394314 3559017 3651459 3728494 3788631 3825338 3887037 3960033 4072134 4148606 4215519 4750823 4793778 4947138 5333922 5592741 5738007 6046502 6108201 6222909 7118034 7302918 7577262 7774074 7920066 8431038 8520071 9069753 9501646 10677051 10954377 11185482 11476014 11880099 12216402 12445818 13049729 13388683 14252469 14520121 16778223 17040142 17214021 18139506 18668727 21039359 21354102 21908754 23760198 25560213 26099458 26777366 27209259 28504938 29040242 33255761 33556446 34428042 37337454 39149187 40166049 42078718 42757407 43560363 51120426 54418518 63118077 66511522 76680639 78298374 80332098 85514814 87120726 93720781 99767283 117447561 120498147 126236154 130681089 147275513 153361278 187441562 189354231 199534566 234895122 240996294 261362178 281162343 294551026 299301849 378708462 441826539 562324686 598603698 843487029 883653078 1030928591 1325479617 1686974058 2061857182 2650959234 3092785773 6185571546 9278357319 18556714638
• Sum of all divisors σ(n): 54495866880
• Sum of proper divisors (its aliquot sum) s(n): 35939152242
• 18556714638 is an abundant number, because the sum of its proper divisors (35939152242) is greater than itself. Its abundance is 17382437604

Bases of 18556714638

• Binary: 10001010010000100001111111010001110₂
• Hexadecimal: 0x45210FE8E
• Base-36: 8IW6SNI

Squares and roots of 18556714638

• 18556714638 squared (18556714638²) is 344351658156163471044
• 18556714638 cubed (18556714638³) is 6390035455526050773043083942072
• The square root of 18556714638 is 136223.0327000539
• The cube root of 18556714638 is 2647.4861475841

Scales and comparisons

• 18,556,714,638 seconds is equal to 590 years, 2 weeks, 2 days, 18 hours, 57 minutes, 18 seconds.
• To count from 1 to 18,556,714,638 would take you about one thousand, one hundred eighty 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 18556714638 cubic inches would be around 220.6 feet tall.

Recreational maths with 18556714638

• 18556714638 backwards is 83641765581
• The number of decimal digits it has is: 11
• The sum of 18556714638's digits is 54
• More coming soon!