18257828490

Names of 18257828490

• Cardinal: 18257828490 can be written as Eighteen billion, two hundred fifty-seven million, eight hundred twenty-eight thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.825782849 × 10¹⁰

Factors of 18257828490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 138

Divisors of 18257828490

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 23 27 30 33 41 45 46 53 54 55 66 69 81 82 90 99 106 110 115 123 135 138 159 162 165 198 205 207 230 246 253 265 270 297 318 330 345 369 405 410 414 451 477 495 506 530 583 594 615 621 690 738 759 795 810 891 902 943 954 990 1035 1107 1166 1219 1230 1242 1265 1353 1431 1485 1518 1590 1681 1749 1782 1845 1863 1886 2070 2173 2214 2255 2277 2385 2438 2530 2706 2829 2862 2915 2970 3105 3321 3362 3498 3657 3690 3726 3795 4059 4293 4346 4455 4510 4554 4715 4770 5043 5247 5535 5658 5830 6095 6210 6519 6642 6765 6831 7155 7314 7590 8118 8405 8487 8586 8745 8910 9315 9430 10086 10373 10494 10865 10971 11070 11385 12177 12190 13038 13409 13530 13662 14145 14310 15129 15741 16605 16810 16974 17490 18285 18491 18630 19557 20295 20493 20746 21465 21730 21942 22770 23903 24354 25215 25461 26235 26818 28290 30258 31119 31482 32595 32913 33210 34155 36531 36570 36982 38663 39114 40227 40590 40986 42435 42930 45387 47223 47806 49979 50430 50922 51865 52470 54855 55473 58671 60885 62238 65190 65826 67045 68310 71709 73062 75645 76383 77326 78705 80454 84870 89093 90774 92455 93357 94446 97785 98739 99958 102465 103730 109710 110946 115989 117342 119515 120681 121770 127305 134090 136161 143418 149937 151290 152766 155595 157410 164565 166419 176013 178186 182655 184910 186714 193315 195570 197478 201135 204930 215127 226935 231978 236115 239030 241362 249895 254610 267279 272322 277365 280071 293355 299874 311190 329130 332838 347967 352026 358545 362043 365310 381915 386630 402270 425293 430254 445465 449811 453870 466785 472230 493695 499257 499790 534558 549769 554730 560142 579945 586710 603405 645381 680805 695934 717090 724086 749685 763830 801837 832095 840213 850586 880065 890930 899622 933570 980023 987390 998514 1043901 1075635 1086129 1099538 1159890 1206810 1275879 1290762 1336395 1349433 1361610 1400355 1497771 1499370 1603674 1649307 1664190 1680426 1739835 1760130 1810215 1936143 1960046 2049139 2087802 2126465 2151270 2172258 2249055 2405511 2496285 2551758 2672790 2698866 2748845 2800710 2940069 2995542 3131703 3226905 3298614 3479670 3620430 3827637 3872286 4009185 4048299 4098278 4201065 4252930 4498110 4811022 4900115 4947921 4992570 5219505 5430645 5497690 5880138 6147417 6263406 6379395 6453810 6747165 7216533 7488855 7655274 8018370 8096598 8246535 8402130 8820207 9680715 9800230 9895842 10245695 10439010 10861290 11482911 12027555 12294834 12758790 13494330 14433066 14700345 14843763 14977710 15658515 16493070 17640414 18442251 19138185 19361430 20241495 20491390 22540529 22965822 24055110 24739605 26460621 29400690 29687526 30737085 31317030 34448733 36082665 36884502 38276370 40482990 44101035 44531289 45081058 49479210 52921242 55326753 57414555 61474170 67621587 68897466 72165330 74218815 79381863 88202070 89062578 92211255 110653506 112702645 114829110 132303105 135243174 148437630 158763726 165980259 172243665 184422510 202864761 222656445 225405290 264606210 276633765 331960518 338107935 344487330 396909315 405729522 445312890 553267530 608594283 676215870 793818630 829901295 1014323805 1217188566 1659802590 1825782849 2028647610 3042971415 3651565698 6085942830 9128914245 18257828490
• Sum of all divisors σ(n): 58361897088
• Sum of proper divisors (its aliquot sum) s(n): 40104068598
• 18257828490 is an abundant number, because the sum of its proper divisors (40104068598) is greater than itself. Its abundance is 21846240108

Bases of 18257828490

• Binary: 10001000000010000000101101010001010₂
• Hexadecimal: 0x440405A8A
• Base-36: 8DY8MMI

Squares and roots of 18257828490

• 18257828490 squared (18257828490²) is 333348301170255680100
• 18257828490 cubed (18257828490³) is 6086216110199394496714106049000
• The square root of 18257828490 is 135121.5322959299
• The cube root of 18257828490 is 2633.1951167997

Scales and comparisons

• 18,257,828,490 seconds is equal to 580 years, 28 weeks, 1 day, 11 hours, 1 minute, 30 seconds.
• To count from 1 to 18,257,828,490 would take you about one thousand, one hundred sixty-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 18257828490 cubic inches would be around 219.4 feet tall.

Recreational maths with 18257828490

• 18257828490 backwards is 09482875281
• 18257828490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18257828490's digits is 54
• More coming soon!