15445428999

Names of 15445428999

• Cardinal: 15445428999 can be written as Fifteen billion, four hundred forty-five million, four hundred twenty-eight thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.5445428999 × 10¹⁰

Factors of 15445428999

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 88

Divisors of 15445428999

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 11 13 17 21 33 37 39 51 77 91 111 119 143 169 187 221 231 259 273 289 357 407 429 481 507 561 629 663 777 867 1001 1183 1221 1309 1369 1443 1547 1859 1887 2023 2431 2849 2873 3003 3179 3367 3549 3757 3927 4107 4403 4641 5291 5577 6069 6253 6919 7293 8177 8547 8619 9537 9583 10101 10693 11271 13013 13209 15059 15873 17017 17797 18759 20111 20757 22253 23273 24531 26299 28749 31603 32079 37037 39039 41327 43771 45177 48433 48841 51051 53391 57239 60333 66759 68783 69819 74851 78897 89947 94809 105413 106301 111111 117623 123981 124579 131313 139009 145299 146523 162911 171717 195767 206349 221221 224553 231361 256003 269841 289289 302549 316239 318903 341887 352869 373737 395641 417027 481481 488733 537251 587301 629629 663663 694083 744107 768009 823361 867867 907647 973063 1025661 1169311 1186923 1370369 1444443 1529099 1611753 1619527 1792021 1807117 1888887 2117843 2232321 2470083 2544971 2769487 2919189 3328039 3507933 3760757 3933137 4111107 4352051 4587297 4858581 5143333 5376063 5421351 6353529 7634913 8185177 8308461 9984117 10703693 11282271 11799411 12649819 13056153 15429999 17814797 19878287 23296273 24555531 27531959 30464357 32111079 36003331 37949457 43264507 53444391 56576663 59634861 66863329 69888819 82595877 91393071 108009993 129793521 139148009 169729989 200589987 302851549 396036641 417444027 468043303 735496619 908554647 1188109923 1404129909 2206489857 5148476333 15445428999
• Sum of all divisors σ(n): 30353920128
• Sum of proper divisors (its aliquot sum) s(n): 14908491129
• 15445428999 is a deficient number, because the sum of its proper divisors (14908491129) is less than itself. Its deficiency is 536937870

Bases of 15445428999

• Binary: 1110011000100111101000101100000111₂
• Hexadecimal: 0x3989E8B07
• Base-36: 73FT5AF

Squares and roots of 15445428999

• 15445428999 squared (15445428999²) is 238561276963150142001
• 15445428999 cubed (15445428999³) is 3684681265245109857653213286999
• The square root of 15445428999 is 124279.6403237473
• The cube root of 15445428999 is 2490.3859553987

Scales and comparisons

• 15,445,428,999 seconds is equal to 491 years, 6 weeks, 12 hours, 56 minutes, 39 seconds.
• To count from 1 to 15,445,428,999 would take you about nine hundred eighty-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 15445428999 cubic inches would be around 207.5 feet tall.

Recreational maths with 15445428999

• 15445428999 backwards is 99982454451
• The number of decimal digits it has is: 11
• The sum of 15445428999's digits is 60
• More coming soon!