990128694261384

Names of 990128694261384

• Cardinal: 990128694261384 can be written as Nine hundred ninety trillion, one hundred twenty-eight billion, six hundred ninety-four million, two hundred sixty-one thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 9.90128694261384 × 10¹⁴

Factors of 990128694261384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1598

Divisors of 990128694261384

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 127 162 216 243 254 324 373 381 486 508 648 729 746 762 972 1016 1093 1119 1143 1458 1492 1524 1944 2186 2187 2238 2286 2916 2984 3048 3279 3357 3429 4372 4374 4476 4572 5832 6558 6714 6858 8744 8748 8952 9144 9837 10071 10287 13116 13428 13716 17496 19674 20142 20574 26232 26856 27432 29511 30213 30861 39348 40284 41148 47371 59022 60426 61722 78696 80568 82296 88533 90639 92583 94742 118044 120852 123444 138811 142113 177066 181278 185166 189484 236088 241704 246888 265599 271917 277622 277749 284226 354132 362556 370332 378968 407689 416433 426339 531198 543834 555244 555498 568452 708264 725112 740664 796797 815378 815751 832866 852678 1062396 1087668 1110488 1110996 1136904 1194649 1223067 1249299 1279017 1593594 1630756 1631502 1665732 1705356 2124792 2175336 2221992 2389298 2390391 2446134 2498598 2558034 3187188 3261512 3263004 3331464 3410712 3583947 3669201 3747897 3837051 4778596 4780782 4892268 4997196 5116068 6374376 6526008 7167894 7338402 7495794 7674102 9557192 9561564 9784536 9994392 10232136 10751841 11007603 11243691 11511153 14335788 14676804 14991588 15348204 19123128 21503682 22015206 22487382 23022306 28671576 29353608 29983176 30696408 32255523 33022809 33731073 34533459 43007364 44030412 44974764 46044612 51776503 64511046 66045618 67462146 69066918 86014728 88060824 89949528 92089224 96766569 99068427 101193219 103553006 103600377 129022092 132091236 134924292 138133836 151720423 155329509 193533138 198136854 202386438 207106012 207200754 258044184 264182472 269848584 276267672 290299707 297205281 303440846 303579657 310659018 387066276 396273708 404772876 414212024 414401508 445604077 455161269 465988527 580599414 594410562 606881692 607159314 621318036 774132552 792547416 809545752 828803016 870899121 891208154 891615843 910322538 931977054 1161198828 1188821124 1213763384 1214318628 1242636072 1336812231 1365483807 1397965581 1741798242 1782416308 1783231686 1820645076 1863954108 2322397656 2377642248 2428637256 2612697363 2673624462 2730967614 2795931162 3483596484 3564832616 3566463372 3641290152 3727908216 4010436693 4096451421 4193896743 5225394726 5347248924 5461935228 5591862324 6967192968 7132926744 8020873386 8192902842 8387793486 10450789452 10694497848 10923870456 11183724648 12031310079 12289354263 12581690229 16041746772 16385805684 16775586972 20901578904 24062620158 24578708526 25163380458 32083493544 32771611368 33551173944 36093930237 36868062789 37745070687 48125240316 49157417052 50326760916 56591717779 72187860474 73736125578 75490141374 96250480632 98314834104 100653521832 108281790711 110604188367 113183435558 113235212061 144375720948 147472251156 150980282748 169775153337 216563581422 221208376734 226366871116 226470424122 288751441896 294944502312 301960565496 324845372133 331812565101 339550306674 433127162844 442416753468 452733742232 452940848244 509325460011 649690744266 663625130202 679100613348 866254325688 884833506936 905881696488 974536116399 1018650920022 1299381488532 1327250260404 1358201226696 1527976380033 1949072232798 2037301840044 2598762977064 2654500520808 3055952760066 3898144465596 4074603680088 4583929140099 6111905520132 7796288931192 9167858280198 12223811040264 13751787420297 18335716560396 27503574840594 36671433120792 41255362260891 55007149681188 82510724521782 110014299362376 123766086782673 165021449043564 247532173565346 330042898087128 495064347130692 990128694261384
• Sum of all divisors σ(n): 2816336357683200
• Sum of proper divisors (its aliquot sum) s(n): 1826207663421816
• 990128694261384 is an abundant number, because the sum of its proper divisors (1826207663421816) is greater than itself. Its abundance is 836078969160432

Bases of 990128694261384

• Binary: 11100001001000010001001101000110100111011010001000₂
• Hexadecimal: 0x384844D1A7688
• Base-36: 9QYYUC74I0

Squares and roots of 990128694261384

• 990128694261384 squared (990128694261384²) is 980354831199753233173313595456
• 990128694261384 cubed (990128694261384³) is 970677448928651189082486765021067015298671104
• The square root of 990128694261384 is 31466310.4647078697
• The cube root of 990128694261384 is 99669.8678020383

Scales and comparisons

• 990,128,694,261,384 seconds is equal to 31,483,029 years, 42 weeks, 5 hours, 56 minutes, 24 seconds.
• To count from 1 to 990,128,694,261,384 would take you about seventy-eight million, seven hundred seven thousand, five hundred seventy-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 990128694261384 cubic inches would be around 8305.8 feet tall.

Recreational maths with 990128694261384

• 990128694261384 backwards is 483162496821099
• 990128694261384 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 990128694261384's digits is 72
• More coming soon!