18998452928

Names of 18998452928

• Cardinal: 18998452928 can be written as Eighteen billion, nine hundred ninety-eight million, four hundred fifty-two thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8998452928 × 10¹⁰

Factors of 18998452928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1145

Divisors of 18998452928

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 53 56 61 64 91 104 106 112 122 182 208 212 224 244 364 371 416 424 427 448 488 689 728 742 793 832 848 854 976 1009 1378 1456 1484 1586 1696 1708 1952 2018 2756 2912 2968 3172 3233 3392 3416 3904 4036 4823 5512 5551 5824 5936 6344 6466 6832 7063 8072 9646 11024 11102 11872 12688 12932 13117 13664 14126 16144 19292 22048 22204 22631 23744 25376 25864 26234 27328 28252 32288 38584 42029 44096 44408 45262 50752 51728 52468 53477 56504 61549 64576 77168 84058 88816 90524 91819 103456 104936 106954 113008 123098 154336 168116 177632 181048 183638 206912 209872 213908 226016 246196 294203 308672 336232 355264 362096 367276 374339 419744 427816 430843 452032 492392 588406 672464 695201 724192 734552 748678 800137 839488 855632 861686 984784 1176812 1344928 1390402 1448384 1469104 1497356 1600274 1711264 1723372 1969568 2353624 2689856 2780804 2938208 2994712 3200548 3262097 3422528 3446744 3939136 4707248 4866407 5561608 5600959 5876416 5989424 6401096 6524194 6893488 9414496 9732814 11123216 11201918 11978848 12802192 13048388 13786976 18828992 19465628 22246432 22403836 22834679 23957696 25604384 26096776 27573952 38931256 42407261 44492864 44807672 45669358 51208768 52193552 77862512 84814522 89615344 91338716 104387104 155725024 169629044 179230688 182677432 208774208 296850827 311450048 339258088 358461376 365354864 593701654 678516176 730709728 1187403308 1357032352 1461419456 2374806616 2714064704 4749613232 9499226464 18998452928
• Sum of all divisors σ(n): 48098171520
• Sum of proper divisors (its aliquot sum) s(n): 29099718592
• 18998452928 is an abundant number, because the sum of its proper divisors (29099718592) is greater than itself. Its abundance is 10101265664

Bases of 18998452928

• Binary: 10001101100011001010110001011000000₂
• Hexadecimal: 0x46C6562C0
• Base-36: 8Q76S3K

Squares and roots of 18998452928

• 18998452928 squared (18998452928²) is 360941213657431773184
• 18998452928 cubed (18998452928³) is 6857324657445908260207796682752
• The square root of 18998452928 is 137834.8755866963
• The cube root of 18998452928 is 2668.3292220285

Scales and comparisons

• 18,998,452,928 seconds is equal to 604 years, 4 weeks, 5 days, 12 hours, 2 minutes, 8 seconds.
• To count from 1 to 18,998,452,928 would take you about one thousand, two hundred eight 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 18998452928 cubic inches would be around 222.4 feet tall.

Recreational maths with 18998452928

• 18998452928 backwards is 82925489981
• The number of decimal digits it has is: 11
• The sum of 18998452928's digits is 65
• More coming soon!