18421750732

Names of 18421750732

• Cardinal: 18421750732 can be written as Eighteen billion, four hundred twenty-one million, seven hundred fifty thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 1.8421750732 × 10¹⁰

Factors of 18421750732

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 259

Divisors of 18421750732

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 11 14 17 19 22 23 28 34 38 44 46 68 76 77 83 92 97 119 133 154 161 166 187 194 209 238 253 266 308 322 323 332 374 388 391 418 437 476 506 532 581 644 646 679 748 782 836 874 913 1012 1067 1162 1292 1309 1358 1411 1463 1564 1577 1649 1748 1771 1826 1843 1909 2134 2231 2261 2324 2618 2716 2737 2822 2926 3059 3154 3298 3542 3553 3652 3686 3818 4268 4301 4462 4522 4807 5236 5474 5644 5852 6118 6308 6391 6596 7084 7106 7372 7429 7469 7636 8051 8602 8924 9044 9614 9877 10948 11039 11543 12236 12782 12901 13363 14212 14858 14938 15521 15617 16102 17204 17347 18139 19228 19754 20273 20999 22078 23086 24541 24871 25564 25802 26726 26809 29716 29876 30107 31042 31234 31331 32204 32453 33649 34694 36271 36278 37927 39508 40546 41998 42389 44156 46172 49082 49742 51604 52003 53452 53618 56357 60214 62084 62468 62662 64906 67298 69388 72542 72556 75854 81092 81719 83996 84778 88561 98164 99484 104006 107236 108647 112714 120428 121429 125324 126973 129812 134596 136867 141911 145084 146993 151708 152969 163438 169556 171787 177122 185173 187663 208012 217294 219317 225428 227171 242858 253897 253946 265489 273734 283822 293986 294899 296723 305938 326876 343574 344641 354244 356983 370346 375326 398981 417197 434588 438634 454342 466279 485716 507794 507892 530978 547468 567644 572033 587972 589798 593446 611876 616607 619927 687148 689282 713966 720613 740692 750652 797962 834394 877268 908684 932558 958069 1015588 1061956 1070783 1144066 1179596 1186892 1233214 1239854 1296211 1378564 1427932 1441226 1505537 1595924 1668788 1682659 1865116 1916138 2036903 2064293 2141566 2288132 2412487 2466428 2479708 2498881 2592422 2600473 2792867 2882452 2920379 3011074 3147941 3263953 3365318 3518287 3832276 4073806 4128586 4283132 4316249 4824974 4997762 5044291 5184844 5200946 5585734 5840758 6022148 6295882 6527906 6730636 6782677 7036574 7926743 8147612 8257172 8632498 9649948 9995524 10088582 10401892 10538759 11171468 11681516 11778613 12591764 13055812 13565354 14073148 14258321 15853486 17264996 18203311 20177164 21077518 22035587 23557226 24628009 27130708 28516642 28605203 31706972 34627351 36406622 38701157 42155036 44071174 47114452 47478739 49256018 55487201 57033284 57210406 59810879 69254702 72813244 77402314 88142348 94957478 98512036 110974402 114420812 119621758 138509404 154804628 189914956 200236421 221948804 239243516 242391457 270908099 400472842 418676153 484782914 541816198 657919669 800945684 837352306 969565828 1083632396 1315839338 1674704612 2631678676 4605437683 9210875366 18421750732
• Sum of all divisors σ(n): 47795650560
• Sum of proper divisors (its aliquot sum) s(n): 29373899828
• 18421750732 is an abundant number, because the sum of its proper divisors (29373899828) is greater than itself. Its abundance is 10952149096

Bases of 18421750732

• Binary: 10001001010000001011001101111001100₂
• Hexadecimal: 0x44A059BCC
• Base-36: 8GNU1U4

Squares and roots of 18421750732

• 18421750732 squared (18421750732²) is 339360900031942535824
• 18421750732 cubed (18421750732³) is 6251621908575616232697708223168
• The square root of 18421750732 is 135726.7502447473
• The cube root of 18421750732 is 2641.0520911875

Scales and comparisons

• 18,421,750,732 seconds is equal to 585 years, 39 weeks, 1 day, 16 hours, 58 minutes, 52 seconds.
• To count from 1 to 18,421,750,732 would take you about one thousand, one hundred seventy-one 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 18421750732 cubic inches would be around 220.1 feet tall.

Recreational maths with 18421750732

• 18421750732 backwards is 23705712481
• The number of decimal digits it has is: 11
• The sum of 18421750732's digits is 40
• More coming soon!