18821428620

Names of 18821428620

• Cardinal: 18821428620 can be written as Eighteen billion, eight hundred twenty-one million, four hundred twenty-eight thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.882142862 × 10¹⁰

Factors of 18821428620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 686

Divisors of 18821428620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 20 29 30 34 37 51 58 60 68 74 85 87 102 111 116 145 148 170 174 185 204 222 255 290 340 348 370 435 444 493 510 555 580 593 629 740 841 870 986 1020 1073 1110 1186 1258 1479 1682 1740 1779 1887 1972 2146 2220 2372 2465 2516 2523 2958 2965 3145 3219 3364 3558 3774 4205 4292 4930 5046 5365 5916 5930 6290 6438 7116 7395 7548 8410 8895 9435 9860 10081 10092 10730 11860 12580 12615 12876 14297 14790 16095 16820 17197 17790 18241 18870 20162 21460 21941 25230 28594 29580 30243 31117 32190 34394 35580 36482 37740 40324 42891 43882 50405 50460 51591 54723 57188 60486 62234 64380 65823 68788 71485 72964 85782 85985 87764 91205 93351 100810 103182 109446 109705 120972 124468 131646 142970 151215 155585 171564 171970 182410 186702 201620 206364 214455 218892 219410 257955 263292 273615 285940 292349 302430 311170 329115 343940 364820 372997 373404 428910 438820 466755 498713 515910 528989 547230 584698 604860 622340 636289 658230 745994 857820 877047 933510 997426 1031820 1057978 1094460 1118991 1169396 1272578 1316460 1461745 1491988 1496139 1586967 1754094 1864985 1867020 1908867 1994852 2115956 2237982 2493565 2545156 2644945 2923490 2992278 3173934 3181445 3508188 3729970 3817734 4385235 4475964 4987130 5289890 5594955 5846980 5984556 6347868 6362890 7459940 7480695 7635468 7934835 8478121 8770470 9544335 9974260 10579780 10816913 11189910 12725780 14961390 15869670 16956242 17540940 18452381 19088670 21633826 22379820 25434363 29922780 31739340 32450739 33912484 36904762 38177340 42390605 43267652 50868726 54084565 55357143 64901478 73809524 84781210 92261905 101737452 108169130 110714286 127171815 129802956 162253695 169562420 184523810 216338260 221428572 254343630 276785715 313690477 324507390 369047620 508687260 553571430 627380954 649014780 941071431 1107142860 1254761908 1568452385 1882142862 3136904770 3764285724 4705357155 6273809540 9410714310 18821428620
• Sum of all divisors σ(n): 59452481088
• Sum of proper divisors (its aliquot sum) s(n): 40631052468
• 18821428620 is an abundant number, because the sum of its proper divisors (40631052468) is greater than itself. Its abundance is 21809623848

Bases of 18821428620

• Binary: 10001100001110110000011010110001100₂
• Hexadecimal: 0x461D8358C
• Base-36: 8N9SJ9O

Squares and roots of 18821428620

• 18821428620 squared (18821428620²) is 354246175297755104400
• 18821428620 cubed (18821428620³) is 6667419102274704943705247928000
• The square root of 18821428620 is 137191.2118905581
• The cube root of 18821428620 is 2660.0156697213

Scales and comparisons

• 18,821,428,620 seconds is equal to 598 years, 24 weeks, 14 hours, 37 minutes.
• To count from 1 to 18,821,428,620 would take you about one thousand, one hundred ninety-six 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 18821428620 cubic inches would be around 221.7 feet tall.

Recreational maths with 18821428620

• 18821428620 backwards is 02682412881
• The number of decimal digits it has is: 11
• The sum of 18821428620's digits is 42
• More coming soon!