18922742208

Names of 18922742208

• Cardinal: 18922742208 can be written as Eighteen billion, nine hundred twenty-two million, seven hundred forty-two thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.8922742208 × 10¹⁰

Factors of 18922742208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 483

Divisors of 18922742208

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 64 72 87 96 108 116 144 174 192 216 232 261 288 348 432 449 464 522 576 696 783 841 864 898 928 1044 1347 1392 1566 1682 1728 1796 1856 2088 2523 2694 2784 3132 3364 3592 4041 4176 5046 5388 5568 6264 6728 7184 7569 8082 8352 10092 10776 12123 12528 13021 13456 14368 15138 16164 16704 20184 21552 22707 24246 24389 25056 26042 26912 28736 30276 32328 39063 40368 43104 45414 48492 48778 50112 52084 53824 60552 64656 73167 78126 80736 86208 90828 96984 97556 104168 117189 121104 129312 146334 156252 161472 181656 193968 195112 208336 219501 234378 242208 258624 292668 312504 351567 363312 377609 387936 390224 416672 439002 468756 484416 585336 625008 658503 703134 726624 755218 775872 780448 833344 878004 937512 1132827 1170672 1250016 1317006 1406268 1453248 1510436 1560896 1756008 1875024 2265654 2341344 2500032 2634012 2812536 3020872 3398481 3512016 3750048 4531308 4682688 5268024 5625072 6041744 6796962 7024032 7500096 9062616 10195443 10536048 10950661 11250144 12083488 13593924 14048064 18125232 20390886 21072096 21901322 22500288 24166976 27187848 32851983 36250464 40781772 42144192 43802644 54375696 65703966 72500928 81563544 87605288 98555949 108751392 131407932 163127088 175210576 197111898 217502784 262815864 295667847 326254176 350421152 394223796 525631728 591335694 652508352 700842304 788447592 1051263456 1182671388 1576895184 2102526912 2365342776 3153790368 4730685552 6307580736 9461371104 18922742208
• Sum of all divisors σ(n): 57744360000
• Sum of proper divisors (its aliquot sum) s(n): 38821617792
• 18922742208 is an abundant number, because the sum of its proper divisors (38821617792) is greater than itself. Its abundance is 19898875584

Bases of 18922742208

• Binary: 10001100111111000100010000111000000₂
• Hexadecimal: 0x467E221C0
• Base-36: 8OY41C0

Squares and roots of 18922742208

• 18922742208 squared (18922742208²) is 358070172670424715264
• 18922742208 cubed (18922742208³) is 6775669569816493832812474662912
• The square root of 18922742208 is 137559.9585926079
• The cube root of 18922742208 is 2664.7799842537

Scales and comparisons

• 18,922,742,208 seconds is equal to 601 years, 35 weeks, 4 days, 5 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,922,742,208 would take you about one thousand, two hundred three 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 18922742208 cubic inches would be around 222.1 feet tall.

Recreational maths with 18922742208

• 18922742208 backwards is 80224722981
• The number of decimal digits it has is: 11
• The sum of 18922742208's digits is 45
• More coming soon!