18157799484

Names of 18157799484

• Cardinal: 18157799484 can be written as Eighteen billion, one hundred fifty-seven million, seven hundred ninety-nine thousand, four hundred eighty-four.

Scientific notation

• Scientific notation: 1.8157799484 × 10¹⁰

Factors of 18157799484

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 94

Divisors of 18157799484

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 9 11 12 17 18 22 27 33 34 36 44 51 54 61 66 68 81 99 102 108 122 132 153 162 183 187 198 204 244 289 297 306 324 366 374 396 459 549 561 578 594 612 671 732 748 867 891 918 1037 1098 1122 1156 1188 1342 1377 1647 1683 1734 1782 1836 2013 2074 2196 2244 2601 2684 2754 3111 3179 3294 3366 3468 3564 4026 4148 4913 4941 5049 5202 5508 6039 6222 6358 6588 6732 7803 8052 9333 9537 9826 9882 10098 10404 11407 12078 12444 12716 14739 15147 15606 17629 18117 18666 19074 19652 19764 20196 22814 23409 24156 27999 28611 29478 30294 31212 34221 35258 36234 37332 38148 44217 45628 46818 52887 54043 54351 55998 57222 58956 60588 68442 70516 72468 83521 83997 85833 88434 93636 102663 105774 108086 108702 111996 114444 132651 136884 158661 162129 167042 167994 171666 176868 193919 205326 211548 216172 217404 250563 257499 265302 299693 307989 317322 324258 334084 335988 343332 387838 397953 410652 475983 486387 501126 514998 530604 581757 599386 615978 634644 648516 751689 775676 795906 899079 918731 923967 951966 972774 1002252 1029996 1163514 1198772 1231956 1427949 1459161 1503378 1591812 1745271 1798158 1837462 1847934 1903932 1945548 2255067 2327028 2697237 2756193 2855898 2918322 3006756 3296623 3490542 3596316 3674924 3695868 4377483 4510134 5094781 5235813 5394474 5512386 5711796 5836644 6593246 6765201 6981084 8091711 8268579 8754966 9020268 9889869 10189562 10471626 10788948 11024772 13186492 13530402 15284343 15707439 16183422 16537158 17509932 19779738 20379124 20943252 24275133 24805737 27060804 29669607 30568686 31414878 32366844 33074316 39559476 45853029 48550266 49611474 56042591 59339214 61137372 62829756 74417211 89008821 91706058 97100532 99222948 112085182 118678428 137559087 148834422 168127773 178017642 183412116 224170364 267026463 275118174 297668844 336255546 356035284 412677261 504383319 534052926 550236348 672511092 825354522 1008766638 1068105852 1513149957 1650709044 2017533276 3026299914 4539449871 6052599828 9078899742 18157799484
• Sum of all divisors σ(n): 55921738488
• Sum of proper divisors (its aliquot sum) s(n): 37763939004
• 18157799484 is an abundant number, because the sum of its proper divisors (37763939004) is greater than itself. Its abundance is 19606139520

Bases of 18157799484

• Binary: 10000111010010010100000100000111100₂
• Hexadecimal: 0x43A4A083C
• Base-36: 8CAONR0

Squares and roots of 18157799484

• 18157799484 squared (18157799484²) is 329705682101150666256
• 18157799484 cubed (18157799484³) is 5986729664328141603549453011904
• The square root of 18157799484 is 134750.8793440695
• The cube root of 18157799484 is 2628.3774869023

Scales and comparisons

• 18,157,799,484 seconds is equal to 577 years, 18 weeks, 5 days, 17 hours, 11 minutes, 24 seconds.
• To count from 1 to 18,157,799,484 would take you about one thousand, one hundred fifty-four 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 18157799484 cubic inches would be around 219 feet tall.

Recreational maths with 18157799484

• 18157799484 backwards is 48499775181
• The number of decimal digits it has is: 11
• The sum of 18157799484's digits is 63
• More coming soon!