9993666816

Names of 9993666816

• Cardinal: 9993666816 can be written as Nine billion, nine hundred ninety-three million, six hundred sixty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 9.993666816 × 10⁹

Factors of 9993666816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1584

Divisors of 9993666816

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 49 54 56 57 63 64 72 76 84 96 98 108 112 114 126 128 133 144 147 152 168 171 189 192 196 216 224 228 252 256 266 288 294 304 336 342 378 384 392 399 432 441 448 456 504 513 532 576 588 608 672 684 756 768 784 798 864 882 896 912 931 1008 1026 1064 1152 1176 1197 1216 1323 1344 1368 1512 1553 1568 1596 1728 1764 1792 1824 1862 2016 2052 2128 2304 2352 2394 2432 2646 2688 2736 2793 3024 3106 3136 3192 3456 3528 3591 3648 3724 4032 4104 4256 4659 4704 4788 4864 5292 5376 5472 5586 6048 6212 6272 6384 6912 7056 7182 7296 7448 8064 8208 8379 8512 9318 9408 9576 10584 10871 10944 11172 12096 12424 12544 12768 13977 14112 14364 14592 14896 16128 16416 16758 17024 18636 18816 19152 21168 21742 21888 22344 24192 24848 25137 25536 27954 28224 28728 29507 29792 32613 32832 33516 34048 37272 37632 38304 41931 42336 43484 43776 44688 48384 49696 50274 51072 55908 56448 57456 59014 59584 65226 65664 67032 74544 76097 76608 83862 84672 86968 88521 89376 97839 99392 100548 102144 111816 112896 114912 118028 119168 130452 131328 134064 149088 152194 153216 167724 169344 173936 177042 178752 195678 198784 201096 206549 223632 228291 229824 236056 238336 260904 265563 268128 293517 298176 304388 306432 335448 338688 347872 354084 357504 391356 397568 402192 413098 447264 456582 459648 472112 521808 531126 536256 587034 596352 608776 619647 670896 684873 695744 708168 715008 782712 796689 804384 826196 894528 913164 919296 944224 1043616 1062252 1072512 1174068 1192704 1217552 1239294 1341792 1369746 1391488 1416336 1445843 1565424 1593378 1608768 1652392 1789056 1826328 1858941 1888448 2054619 2087232 2124504 2145024 2348136 2435104 2478588 2683584 2739492 2782976 2832672 2891686 3130848 3186756 3217536 3304784 3578112 3652656 3717882 3776896 4109238 4174464 4249008 4337529 4696272 4870208 4957176 5367168 5478984 5576823 5665344 5783372 6261696 6373512 6435072 6609568 7305312 7435764 7553792 8218476 8348928 8498016 8675058 9392544 9740416 9914352 10734336 10957968 11153646 11330688 11566744 12523392 12747024 13012587 13219136 14610624 14871528 16436952 16996032 17350116 18785088 19480832 19828704 21915936 22307292 22661376 23133488 25046784 25494048 26025174 26438272 29221248 29743056 32873904 33992064 34700232 37570176 39037761 39657408 43831872 44614584 46266976 50988096 52050348 52876544 58442496 59486112 65747808 67984128 69400464 75140352 78075522 79314816 87663744 89229168 92533952 101976192 104100696 118972224 131495616 138800928 156151044 158629632 175327488 178458336 185067904 203952384 208201392 237944448 262991232 277601856 312302088 356916672 370135808 416402784 475888896 525982464 555203712 624604176 713833344 832805568 1110407424 1249208352 1427666688 1665611136 2498416704 3331222272 4996833408 9993666816
• Sum of all divisors σ(n): 36210686400
• Sum of proper divisors (its aliquot sum) s(n): 26217019584
• 9993666816 is an abundant number, because the sum of its proper divisors (26217019584) is greater than itself. Its abundance is 16223352768

Bases of 9993666816

• Binary: 1001010011101010110100000100000000₂
• Hexadecimal: 0x253AB4100
• Base-36: 4L9YYO0

Squares and roots of 9993666816

• 9993666816 squared (9993666816²) is 99873376429219577856
• 9993666816 cubed (9993666816³) is 998101247822568267997035626496
• The square root of 9993666816 is 99968.3290647593
• The cube root of 9993666816 is 2153.9797796071

Scales and comparisons

• 9,993,666,816 seconds is equal to 317 years, 39 weeks, 6 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 9,993,666,816 would take you about six hundred thirty-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 9993666816 cubic inches would be around 179.5 feet tall.

Recreational maths with 9993666816

• 9993666816 backwards is 6186663999
• 9993666816 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9993666816's digits is 63
• More coming soon!