18128976008

Names of 18128976008

• Cardinal: 18128976008 can be written as Eighteen billion, one hundred twenty-eight million, nine hundred seventy-six thousand and eight.

Scientific notation

• Scientific notation: 1.8128976008 × 10¹⁰

Factors of 18128976008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 219

Divisors of 18128976008

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 11 13 19 22 26 38 44 52 61 76 88 104 113 121 122 143 152 209 226 242 244 247 286 418 452 484 488 494 572 671 793 836 904 968 988 1144 1159 1243 1331 1342 1469 1573 1586 1672 1976 2147 2299 2318 2486 2662 2684 2717 2938 3146 3172 4294 4598 4636 4972 5324 5368 5434 5876 6292 6344 6893 7381 8588 8723 9196 9272 9944 10648 10868 11752 12584 12749 13673 13786 14762 15067 16159 17176 17303 17446 18392 21736 23617 25289 25498 27346 27572 27911 29524 29887 30134 32318 34606 34892 47234 50578 50996 54692 55144 55822 59048 59774 60268 64636 69212 69784 75823 81191 89609 94468 95953 101156 101992 109384 111644 119548 120536 129272 130967 138424 140239 150403 151646 162382 165737 177749 179218 188936 191906 202312 223288 239096 259787 261934 280478 300806 303292 307021 324764 328757 331474 355498 358436 383812 519574 523868 560956 601612 606584 614042 649528 657514 662948 710996 716872 767624 834053 985699 1039148 1047736 1055483 1121912 1203224 1228084 1315028 1325896 1421992 1440637 1542629 1668106 1702571 1823107 1955239 1971398 2078296 2110966 2456168 2630056 2857657 2881274 3085258 3336212 3377231 3405142 3646214 3910478 3942796 4221932 5715314 5762548 6170516 6672424 6754462 6810284 7292428 7820956 7885592 8443864 9174583 10842689 11430628 11525096 12341032 13508924 13620568 14584856 15641912 15847007 18349166 18728281 20054177 21685378 22861256 27017848 31694014 36698332 37149541 37456562 40108354 43370756 63388028 73396664 74299082 74913124 80216708 86741512 119269579 126776056 148598164 149826248 160433416 174317077 206011091 238539158 297196328 348634154 412022182 477078316 697268308 824044364 954156632 1394536616 1648088728 2266122001 4532244002 9064488004 18128976008
• Sum of all divisors σ(n): 43459718400
• Sum of proper divisors (its aliquot sum) s(n): 25330742392
• 18128976008 is an abundant number, because the sum of its proper divisors (25330742392) is greater than itself. Its abundance is 7201766384

Bases of 18128976008

• Binary: 10000111000100100100011100010001000₂
• Hexadecimal: 0x438923888
• Base-36: 8BTIVEW

Squares and roots of 18128976008

• 18128976008 squared (18128976008²) is 328659771098639616064
• 18128976008 cubed (18128976008³) is 5958265105042009401062587392512
• The square root of 18128976008 is 134643.8858916363
• The cube root of 18128976008 is 2626.9859985929

Scales and comparisons

• 18,128,976,008 seconds is equal to 576 years, 23 weeks, 1 day, 2 hours, 40 minutes, 8 seconds.
• To count from 1 to 18,128,976,008 would take you about one thousand, one hundred fifty-two 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 18128976008 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128976008

• 18128976008 backwards is 80067982181
• The number of decimal digits it has is: 11
• The sum of 18128976008's digits is 50
• More coming soon!