18421025220

Names of 18421025220

• Cardinal: 18421025220 can be written as Eighteen billion, four hundred twenty-one million, twenty-five thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.842102522 × 10¹⁰

Factors of 18421025220

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 319

Divisors of 18421025220

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 23 26 30 31 36 39 45 46 52 60 61 62 65 69 78 90 92 93 115 117 122 124 130 138 155 156 180 181 183 186 195 207 230 234 244 260 276 279 299 305 310 345 362 366 372 390 403 414 460 465 468 543 549 558 585 598 610 620 690 713 724 732 780 793 806 828 897 905 915 930 1035 1086 1098 1116 1170 1196 1209 1220 1380 1395 1403 1426 1495 1586 1612 1629 1794 1810 1830 1860 1891 2015 2070 2139 2172 2196 2340 2353 2379 2418 2691 2715 2745 2790 2806 2852 2990 3172 3258 3565 3588 3620 3627 3660 3782 3965 4030 4140 4163 4209 4278 4485 4706 4758 4836 5382 5430 5490 5580 5611 5612 5673 5980 6045 6417 6516 7015 7059 7130 7137 7254 7564 7930 8060 8145 8326 8418 8556 8970 9269 9412 9455 9516 10695 10764 10860 10980 11041 11222 11346 11765 11895 12090 12489 12627 12834 13455 14030 14118 14260 14274 14508 15860 16290 16652 16833 16836 17019 17940 18135 18239 18538 18910 20815 21045 21177 21390 22082 22444 22692 23530 23790 24180 24583 24978 25254 25668 26910 27807 28055 28060 28236 28365 28548 32085 32580 33123 33666 34038 35295 35685 36270 36478 37076 37467 37820 41630 42090 42354 42780 43493 44164 46345 47060 47580 49166 49956 50499 50508 53820 54119 54717 55205 55614 56110 56730 62445 63135 64170 66246 67332 68076 70590 71370 72540 72943 72956 73749 74934 83260 83421 84165 84180 84708 85095 86986 91195 92690 98332 99369 100998 105885 108238 109434 110410 111228 112220 113460 122915 124890 126270 128340 129053 130479 132492 139035 141180 142740 143533 145886 147498 149868 162357 164151 165615 166842 168330 170190 173972 182390 185380 187335 198738 201996 211770 216476 217465 218829 218868 220820 221247 245830 249780 252495 252540 253943 258106 260958 270595 273585 278070 287066 291772 294996 324714 328302 331230 333684 336660 340380 342271 364715 364780 368745 374670 387159 391437 397476 417105 423540 430599 434930 437658 442494 487071 491660 496845 504990 507886 516212 521916 541190 547170 556140 565409 574132 645265 649428 652395 656487 656604 662460 684542 717665 729430 737490 749340 761829 774318 782874 811785 820755 834210 861198 869860 875316 884988 974142 993690 1009980 1015772 1026813 1082380 1094145 1094340 1106235 1130818 1161477 1269715 1290530 1291797 1304790 1312974 1369084 1435330 1458860 1474980 1523658 1548636 1565748 1623570 1641510 1668420 1677689 1696227 1711355 1722396 1935795 1948284 1957185 1987380 2053626 2152995 2188290 2212470 2261636 2285487 2322954 2435355 2539430 2581060 2583594 2609580 2625948 2827045 2870660 3047316 3080439 3247140 3282435 3283020 3301259 3355378 3392454 3422710 3809145 3871590 3914370 4107252 4305990 4376580 4424940 4449523 4570974 4645908 4870710 5033067 5078860 5088681 5134065 5167188 5654090 5807385 6160878 6458985 6564870 6602518 6710756 6784908 6845420 7618290 7743180 7828740 7872233 8388445 8481135 8611980 8899046 9141948 9741420 9903777 10066134 10177362 10268130 11308180 11427435 11614770 12321756 12917970 13129740 13205036 13348569 15099201 15236580 15402195 15744466 16506295 16776890 16962270 17798092 19807554 20132268 20354724 20536260 22247615 22854870 23229540 23616699 25165335 25443405 25835940 26697138 29711331 30198402 30804390 31488932 33012590 33553780 33924540 39361165 39615108 40045707 44495230 45709740 47233398 49518885 50330670 50886810 53394276 59422662 60396804 61608780 66025180 66742845 70850097 75496005 78722330 80091414 88990460 94466796 99037770 100661340 101773620 102339029 118083495 118845324 133485690 141700194 148556655 150992010 157444660 160182828 198075540 200228535 204678058 236166990 266971380 283400388 297113310 301984020 307017087 354250485 400457070 409356116 472333980 511695145 594226620 614034174 708500970 800914140 921051261 1023390290 1228068348 1417001940 1535085435 1842102522 2046780580 3070170870 3684205044 4605256305 6140341740 9210512610 18421025220
• Sum of all divisors σ(n): 66243760128
• Sum of proper divisors (its aliquot sum) s(n): 47822734908
• 18421025220 is an abundant number, because the sum of its proper divisors (47822734908) is greater than itself. Its abundance is 29401709688

Bases of 18421025220

• Binary: 10001001001111110101000100111000100₂
• Hexadecimal: 0x449FA89C4
• Base-36: 8GNEI10

Squares and roots of 18421025220

• 18421025220 squared (18421025220²) is 339334170155876048400
• 18421025220 cubed (18421025220³) is 6250883306449164018770340648000
• The square root of 18421025220 is 135724.0775249551
• The cube root of 18421025220 is 2641.0174194893

Scales and comparisons

• 18,421,025,220 seconds is equal to 585 years, 38 weeks, 7 hours, 27 minutes.
• To count from 1 to 18,421,025,220 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 18421025220 cubic inches would be around 220.1 feet tall.

Recreational maths with 18421025220

• 18421025220 backwards is 02252012481
• The number of decimal digits it has is: 11
• The sum of 18421025220's digits is 27
• More coming soon!