990440642464

Names of 990440642464

• Cardinal: 990440642464 can be written as Nine hundred ninety billion, four hundred forty million, six hundred forty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 9.90440642464 × 10¹¹

Factors of 990440642464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 286

Divisors of 990440642464

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 49 52 56 62 91 98 104 112 124 182 196 208 217 224 233 248 343 364 392 403 416 434 466 496 637 686 728 784 806 868 932 961 992 1274 1372 1456 1519 1568 1612 1631 1736 1864 1922 2548 2744 2821 2912 3029 3038 3224 3262 3472 3728 3844 4459 5096 5488 5642 6058 6076 6448 6524 6727 6944 7223 7456 7688 8918 10192 10633 10976 11284 11417 12116 12152 12493 12896 13048 13454 14446 15376 17836 19747 20384 21203 21266 22568 22834 24232 24304 24986 26096 26908 28892 29791 30752 35672 39494 42406 42532 45136 45668 47089 48464 48608 49972 50561 52192 53816 57784 59582 71344 78988 79919 84812 85064 87451 90272 91336 93899 94178 96928 99944 101122 107632 115568 119164 138229 142688 148421 157976 159838 169624 170128 174902 182672 187798 188356 199888 202244 208537 215264 223913 231136 238328 276458 296842 315952 319676 329623 339248 340256 349804 353927 365344 375596 376712 387283 399776 404488 417074 447826 476656 552916 593684 612157 631904 639352 657293 659246 678496 699608 707854 751192 753424 774566 808976 834148 895652 953312 1038947 1105832 1187368 1224314 1278704 1314586 1318492 1399216 1415708 1459759 1502384 1506848 1549132 1567391 1617952 1668296 1791304 2077894 2211664 2374736 2448628 2477489 2557408 2629172 2636984 2710981 2798432 2831416 2910869 2919518 3004768 3098264 3134782 3336592 3582608 4155788 4285099 4423328 4601051 4749472 4897256 4954978 5258344 5273968 5421962 5662832 5821738 5839036 6196528 6269564 6673184 6941303 7165216 8311576 8570198 9202102 9794512 9909956 10218313 10516688 10547936 10843924 10971737 11325664 11643476 11678072 12393056 12539128 13882606 16623152 17140396 18404204 18976867 19589024 19819912 20376083 20436626 21033376 21687848 21943474 23286952 23356144 25078256 27765212 32207357 33246304 34280792 36808408 37953734 39639824 40752166 40873252 43375696 43886948 46573904 46712288 48589121 50156512 55530424 64414714 68561584 73616816 75907468 76802159 79279648 81504332 81746504 86751392 87773896 90236939 93147808 97178242 111060848 128829428 132838069 137123168 142632581 147233632 151814936 153604318 163008664 163493008 175547792 180473878 194356484 222121696 257658856 265676138 285265162 303629872 307208636 326017328 326986016 340123847 351095584 360947756 388712968 515317712 531352276 570530324 607259744 614417272 631658573 652034656 680247694 721895512 777425936 998428067 1030635424 1062704552 1141060648 1228834544 1263317146 1360495388 1443791024 1554851872 1996856134 2125409104 2282121296 2380866929 2457669088 2526634292 2720990776 2887582048 3993712268 4250818208 4421610011 4564242592 4761733858 5053268584 5441981552 7987424536 8843220022 9523467716 10106537168 10883963104 15974849072 17686440044 19046935432 20213074336 30951270077 31949698144 35372880088 38093870864 61902540154 70745760176 76187741728 123805080308 141491520352 247610160616 495220321232 990440642464
• Sum of all divisors σ(n): 2541379276800
• Sum of proper divisors (its aliquot sum) s(n): 1550938634336
• 990440642464 is an abundant number, because the sum of its proper divisors (1550938634336) is greater than itself. Its abundance is 560497991872

Bases of 990440642464

• Binary: 1110011010011010110111001101011110100000₂
• Hexadecimal: 0xE69ADCD7A0
• Base-36: CN02SASG

Squares and roots of 990440642464

• 990440642464 squared (990440642464²) is 980972666244501079991296
• 990440642464 cubed (990440642464³) is 971595197794826695773721065767993344
• The square root of 990440642464 is 995208.8436423785
• The cube root of 990440642464 is 9968.0333973967

Scales and comparisons

• 990,440,642,464 seconds is equal to 31,492 years, 49 weeks, 2 days, 8 hours, 41 minutes, 4 seconds.
• To count from 1 to 990,440,642,464 would take you about sixty-two thousand, nine hundred eighty-five 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 990440642464 cubic inches would be around 830.7 feet tall.

Recreational maths with 990440642464

• 990440642464 backwards is 464246044099
• 990440642464 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 990440642464's digits is 52
• More coming soon!