40012910784

Names of 40012910784

• Cardinal: 40012910784 can be written as Forty billion, twelve million, nine hundred ten thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 4.0012910784 × 10¹⁰

Factors of 40012910784

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 382

Divisors of 40012910784

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 49 56 63 64 66 72 77 84 88 96 98 99 112 126 132 144 147 154 168 176 192 196 198 224 231 252 264 288 294 308 336 352 359 392 396 441 448 462 504 528 539 576 588 616 672 693 704 718 784 792 882 924 1008 1056 1077 1078 1176 1232 1344 1386 1436 1568 1584 1617 1764 1848 2016 2112 2154 2156 2352 2464 2513 2772 2872 3136 3168 3231 3234 3528 3696 3949 4032 4308 4312 4704 4851 4928 5026 5544 5744 6336 6462 6468 7056 7392 7539 7898 8616 8624 9408 9702 10052 11088 11488 11847 12924 12936 14112 14784 15078 15796 17232 17248 17591 19404 20104 22176 22617 22976 23694 25848 25872 27643 28224 30156 31592 34464 34496 35182 35541 38808 40208 44352 45234 47388 51696 51744 52773 55286 60312 63184 68928 70364 71082 77616 80416 82929 90468 94776 103392 103488 105546 110572 120624 126368 128881 140728 142164 155232 158319 160832 165858 180936 189552 193501 206784 211092 221144 241248 248787 252736 257762 281456 284328 310464 316638 331716 361872 379104 386643 387002 422184 442288 482496 497574 515524 562912 568656 580503 633276 663432 723744 758208 773286 774004 844368 884576 902167 995148 1031048 1125824 1137312 1159929 1161006 1266552 1326864 1417691 1447488 1546572 1548008 1688736 1741509 1769152 1804334 1990296 2062096 2274624 2319858 2322012 2533104 2653728 2706501 2835382 3093144 3096016 3377472 3483018 3608668 3980592 4124192 4253073 4639716 4644024 5066208 5307456 5413002 5670764 6186288 6192032 6315169 6966036 7217336 7961184 8119503 8248384 8506146 9279432 9288048 9923837 10132416 10826004 11341528 12372576 12384064 12630338 12759219 13932072 14434672 15922368 16239006 17012292 18558864 18576096 18945507 19847674 21652008 22683056 24745152 25260676 25518438 27864144 28869344 29771511 32478012 34024584 37117728 37152192 37891014 39695348 43304016 45366112 50521352 51036876 55728288 56836521 57738688 59543022 64956024 68049168 69466859 74235456 75782028 79390696 86608032 89314533 90732224 101042704 102073752 111456576 113673042 119086044 129912048 136098336 138933718 151564056 158781392 173216064 178629066 202085408 204147504 208400577 227346084 238172088 259824096 272196672 277867436 303128112 317562784 357258132 404170816 408295008 416801154 454692168 476344176 519648192 555734872 606256224 625201731 635125568 714516264 816590016 833602308 909384336 952688352 1111469744 1212512448 1250403462 1429032528 1667204616 1818768672 1905376704 2222939488 2500806924 2858065056 3334409232 3637537344 4445878976 5001613848 5716130112 6668818464 10003227696 13337636928 20006455392 40012910784
• Sum of all divisors σ(n): 145949793444
• Sum of proper divisors (its aliquot sum) s(n): 105936882660
• 40012910784 is an abundant number, because the sum of its proper divisors (105936882660) is greater than itself. Its abundance is 65923971876

Bases of 40012910784

• Binary: 100101010000111101001001000011000000₂
• Hexadecimal: 0x950F490C0
• Base-36: IDQNJK0

Squares and roots of 40012910784

• 40012910784 squared (40012910784²) is 1601033029408343494656
• 40012910784 cubed (40012910784³) is 64061991767953296556897308770304
• The square root of 40012910784 is 200032.2743559149
• The cube root of 40012910784 is 3420.3198059407

Scales and comparisons

• 40,012,910,784 seconds is equal to 1,272 years, 14 weeks, 6 days, 9 hours, 26 minutes, 24 seconds.
• To count from 1 to 40,012,910,784 would take you about two thousand, five hundred forty-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 40012910784 cubic inches would be around 285 feet tall.

Recreational maths with 40012910784

• 40012910784 backwards is 48701921004
• 40012910784 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40012910784's digits is 36
• More coming soon!