18945088448

Names of 18945088448

• Cardinal: 18945088448 can be written as Eighteen billion, nine hundred forty-five million, eighty-eight thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8945088448 × 10¹⁰

Factors of 18945088448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1837

Divisors of 18945088448

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 29 32 41 44 52 58 64 82 88 104 116 143 164 176 208 232 286 319 328 352 377 416 451 464 533 572 638 656 704 754 832 902 928 1066 1144 1189 1276 1312 1508 1741 1804 1856 2132 2288 2378 2552 2624 3016 3482 3608 4147 4264 4576 4756 5104 5863 6032 6964 7216 8294 8528 9152 9512 10208 11726 12064 13079 13928 14432 15457 16588 17056 19024 19151 20416 22633 23452 24128 26158 27856 28864 30914 33176 34112 38048 38302 45266 46904 50489 52316 55712 61828 66352 71381 76096 76604 90532 93808 100978 104632 111424 123656 132704 142762 153208 170027 181064 187616 201956 209264 247312 248963 265408 285524 306416 340054 362128 375232 403912 418528 494624 497926 555379 571048 612832 656357 680108 724256 785191 807824 837056 927953 989248 995852 1110758 1142096 1225664 1312714 1360216 1448512 1570382 1615648 1855906 1991704 2070049 2221516 2284192 2625428 2720432 3140764 3231296 3711812 3983408 4140098 4443032 4568384 5250856 5440864 6281528 7219927 7423624 7966816 8280196 8886064 10207483 10501712 10881728 12563056 14439854 14847248 15933632 16560392 17772128 20414966 21003424 22770539 25126112 26910637 28879708 29694496 33120784 35544256 40829932 42006848 45541078 50252224 53821274 57759416 59388992 66241568 81659864 91082156 107642548 115518832 132483136 163319728 182164312 215285096 231037664 296017007 326639456 364328624 430570192 462075328 592034014 653278912 728657248 861140384 1184068028 1457314496 1722280768 2368136056 4736272112 9472544224 18945088448
• Sum of all divisors σ(n): 46830813120
• Sum of proper divisors (its aliquot sum) s(n): 27885724672
• 18945088448 is an abundant number, because the sum of its proper divisors (27885724672) is greater than itself. Its abundance is 8940636224

Bases of 18945088448

• Binary: 10001101001001101110001101111000000₂
• Hexadecimal: 0x469371BC0
• Base-36: 8PBEZSW

Squares and roots of 18945088448

• 18945088448 squared (18945088448²) is 358916376302543048704
• 18945088448 cubed (18945088448³) is 6799702494487329265024851771392
• The square root of 18945088448 is 137641.1582630719
• The cube root of 18945088448 is 2665.8285353813

Scales and comparisons

• 18,945,088,448 seconds is equal to 602 years, 20 weeks, 3 days, 20 hours, 34 minutes, 8 seconds.
• To count from 1 to 18,945,088,448 would take you about one thousand, two hundred four 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 18945088448 cubic inches would be around 222.2 feet tall.

Recreational maths with 18945088448

• 18945088448 backwards is 84488054981
• The number of decimal digits it has is: 11
• The sum of 18945088448's digits is 59
• More coming soon!