991140401664

Names of 991140401664

• Cardinal: 991140401664 can be written as Nine hundred ninety-one billion, one hundred forty million, four hundred one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 9.91140401664 × 10¹¹

Factors of 991140401664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 328

Divisors of 991140401664

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 137 144 147 168 179 192 196 224 252 256 274 288 294 336 358 384 392 411 441 448 504 512 537 548 576 588 672 716 768 784 822 882 896 959 1008 1074 1096 1152 1176 1233 1253 1344 1432 1536 1568 1611 1644 1764 1792 1918 2016 2148 2192 2304 2352 2466 2506 2688 2864 2877 3136 3222 3288 3528 3584 3759 3836 4032 4296 4384 4608 4704 4932 5012 5376 5728 5754 6272 6444 6576 6713 7056 7518 7672 8064 8592 8631 8768 8771 9408 9864 10024 10752 11277 11456 11508 12544 12888 13152 13426 14112 15036 15344 16128 17184 17262 17536 17542 18816 19728 20048 20139 22554 22912 23016 24523 25088 25776 26304 26313 26852 28224 30072 30688 32041 32256 34368 34524 35072 35084 37632 39456 40096 40278 45108 45824 46032 49046 51552 52608 52626 53704 56448 60144 60417 61376 64082 68736 69048 70144 70168 73569 75264 78912 78939 80192 80556 90216 91648 92064 96123 98092 103104 105216 105252 107408 112896 120288 120834 122752 128164 137472 138096 140336 147138 157824 157878 160384 161112 171661 180432 184128 192246 196184 206208 210432 210504 214816 220707 224287 225792 240576 241668 245504 256328 274944 276192 280672 288369 294276 315648 315756 320768 322224 343322 360864 368256 384492 392368 412416 421008 429632 441414 448574 481152 483336 491008 512656 514983 552384 561344 576738 588552 631296 631512 641536 644448 672861 686644 721728 736512 768984 784736 824832 842016 859264 882828 897148 962304 966672 1025312 1029966 1104768 1122688 1153476 1177104 1201627 1263024 1288896 1345722 1373288 1443456 1473024 1537968 1544949 1569472 1570009 1684032 1718528 1765656 1794296 1924608 1933344 2018583 2050624 2059932 2209536 2245376 2306952 2354208 2403254 2526048 2577792 2691444 2746576 2886912 3075936 3089898 3138944 3140018 3368064 3437056 3531312 3588592 3604881 3866688 4037166 4101248 4119864 4389617 4419072 4490752 4613904 4708416 4710027 4806508 5052096 5155584 5382888 5493152 5773824 6151872 6179796 6277888 6280036 6736128 7062624 7177184 7209762 7733376 8074332 8202496 8239728 8779234 9227808 9416832 9420054 9613016 10104192 10311168 10765776 10814643 10986304 12303744 12359592 12555776 12560072 13168851 13472256 14125248 14130081 14354368 14419524 15466752 16148664 16404992 16479456 17558468 18455616 18833664 18840108 19226032 20208384 21531552 21629286 21972608 24607488 24719184 25120144 26337702 28250496 28260162 28708736 28839048 30727319 30933504 32297328 32958912 35116936 36911232 37667328 37680216 38452064 39506553 40416768 43063104 43258572 43945216 49214976 49438368 50240288 52675404 56500992 56520324 57417472 57678096 61454638 64594656 65917824 70233872 73822464 75360432 76904128 79013106 86126208 86517144 87890432 92181957 98876736 100480576 105350808 113001984 113040648 114834944 115356192 122909276 129189312 131835648 140467744 147644928 150720864 153808256 158026212 172252416 173034288 184363914 197753472 200961152 210701616 215091233 226081296 230712384 245818552 258378624 263671296 276545871 280935488 301441728 307616512 316052424 344504832 346068576 368727828 395506944 401922304 421403232 430182466 452162592 461424768 491637104 516757248 553091742 561870976 602883456 615233024 632104848 645273699 692137152 737455656 791013888 803844608 842806464 860364932 904325184 922849536 983274208 1033514496 1106183484 1123741952 1205766912 1264209696 1290547398 1384274304 1474911312 1685612928 1720729864 1808650368 1845699072 1935821097 1966548416 2212366968 2247483904 2411533824 2528419392 2581094796 2768548608 2949822624 3371225856 3441459728 3617300736 3871642194 3933096832 4424733936 5056838784 5162189592 5537097216 5899645248 6742451712 6882919456 7234601472 7743284388 7866193664 8849467872 10113677568 10324379184 11799290496 13765838912 15486568776 15732387328 17698935744 20227355136 20648758368 23598580992 27531677824 30973137552 35397871488 41297516736 47197161984 55063355648 61946275104 70795742976 82595033472 110126711296 123892550208 141591485952 165190066944 247785100416 330380133888 495570200832 991140401664
• Sum of all divisors σ(n): 3370636683414
• Sum of proper divisors (its aliquot sum) s(n): 2379496281750
• 991140401664 is an abundant number, because the sum of its proper divisors (2379496281750) is greater than itself. Its abundance is 1388355880086

Bases of 991140401664

• Binary: 1110011011000100100100100101001000000000₂
• Hexadecimal: 0xE6C4925200
• Base-36: CNBNEKG0

Squares and roots of 991140401664

• 991140401664 squared (991140401664²) is 982359295810675253968896
• 991140401664 cubed (991140401664³) is 973655987028156863717796791602642944
• The square root of 991140401664 is 995560.3455662545
• The cube root of 991140401664 is 9970.3803598585

Scales and comparisons

• 991,140,401,664 seconds is equal to 31,515 years, 10 weeks, 2 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 991,140,401,664 would take you about sixty-three thousand and thirty 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 991140401664 cubic inches would be around 830.9 feet tall.

Recreational maths with 991140401664

• 991140401664 backwards is 466104041199
• The number of decimal digits it has is: 12
• The sum of 991140401664's digits is 45
• More coming soon!