18428872464

Names of 18428872464

• Cardinal: 18428872464 can be written as Eighteen billion, four hundred twenty-eight million, eight hundred seventy-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8428872464 × 10¹⁰

Factors of 18428872464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 305

Divisors of 18428872464

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 71 72 76 81 83 108 114 127 142 144 152 162 166 171 213 216 228 249 254 284 304 324 332 342 381 426 432 456 498 508 513 568 639 648 664 684 747 762 852 912 996 1016 1026 1136 1143 1278 1296 1328 1349 1368 1494 1524 1539 1577 1704 1917 1992 2032 2052 2241 2286 2413 2556 2698 2736 2988 3048 3078 3154 3408 3429 3834 3984 4047 4104 4482 4572 4731 4826 5112 5396 5751 5893 5976 6096 6156 6308 6723 6858 7239 7668 8094 8208 8964 9017 9144 9462 9652 10224 10287 10541 10792 11502 11786 11952 12141 12312 12616 13446 13716 14193 14478 15336 16188 17679 17928 18034 18288 18924 19304 20574 21082 21584 21717 23004 23572 24282 24624 25232 26892 27051 27432 28386 28956 30672 31623 32376 35358 35856 36068 36423 37848 38608 41148 42164 42579 43434 46008 47144 48564 53037 53784 54102 54864 56772 57912 63246 64752 65151 70716 72136 72846 75696 81153 82296 84328 85158 86868 92016 94288 94869 97128 106074 107568 108204 109269 111967 113544 115824 126492 127737 130302 141432 144272 145692 159111 162306 164592 168656 170316 171323 173736 189738 194256 195453 200279 212148 216408 218538 223934 227088 243459 252984 255474 260604 282864 284607 291384 318222 324612 335901 340632 342646 347472 379476 390906 400558 424296 432816 437076 447868 477333 486918 505968 510948 513969 521208 569214 582768 600837 636444 649224 671802 681264 685292 730377 748411 758952 781812 801116 848592 853821 874152 895736 954666 973836 1007703 1021896 1027938 1042416 1138428 1201674 1272888 1298448 1343604 1370584 1460754 1496822 1517904 1541907 1563624 1602232 1707642 1748304 1791472 1802511 1909332 1947672 2015406 2043792 2055876 2245233 2276856 2403348 2545776 2687208 2741168 2921508 2993644 3023109 3083814 3127248 3204464 3415284 3605022 3818664 3895344 4030812 4111752 4490466 4553712 4625721 4806696 5374416 5407533 5843016 5987288 6046218 6167628 6735699 6830568 7210044 7637328 8061624 8223504 8980932 9069327 9251442 9613392 10815066 11686032 11974576 12092436 12335256 13471398 13661136 13877163 14219809 14420088 16123248 16222599 17961864 18138654 18502884 20207097 21630132 24184872 24670512 26942796 27754326 28439618 28840176 32445198 35923728 36277308 37005768 40414194 42659427 43260264 48369744 53885592 55508652 56879236 60621291 64890396 72554616 74011536 80828388 85318854 86520528 107771184 111017304 113758472 121242582 127978281 129780792 145109232 161656776 170637708 222034608 227516944 242485164 255956562 259561584 323313552 341275416 383934843 484970328 511913124 682550832 767869686 969940656 1023826248 1151804529 1535739372 2047652496 2303609058 3071478744 4607218116 6142957488 9214436232 18428872464
• Sum of all divisors σ(n): 58076282880
• Sum of proper divisors (its aliquot sum) s(n): 39647410416
• 18428872464 is an abundant number, because the sum of its proper divisors (39647410416) is greater than itself. Its abundance is 21218537952

Bases of 18428872464

• Binary: 10001001010011100100100011100010000₂
• Hexadecimal: 0x44A724710
• Base-36: 8GS2P00

Squares and roots of 18428872464

• 18428872464 squared (18428872464²) is 339623340294377431296
• 18428872464 cubed (18428872464³) is 6258875224082753897633906233344
• The square root of 18428872464 is 135752.9832600375
• The cube root of 18428872464 is 2641.3923853355

Scales and comparisons

• 18,428,872,464 seconds is equal to 585 years, 51 weeks, 3 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,428,872,464 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 18428872464 cubic inches would be around 220.1 feet tall.

Recreational maths with 18428872464

• 18428872464 backwards is 46427882481
• 18428872464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18428872464's digits is 54
• More coming soon!