19812136945920

Names of 19812136945920

• Cardinal: 19812136945920 can be written as Nineteen trillion, eight hundred twelve billion, one hundred thirty-six million, nine hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.981213694592 × 10¹³

Factors of 19812136945920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 37036

Divisors of 19812136945920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 53 55 60 64 66 80 88 96 106 110 120 128 132 159 160 165 176 192 212 220 240 241 256 264 265 318 320 330 352 384 424 440 480 482 528 530 583 636 640 660 704 723 768 795 848 880 960 964 1056 1060 1166 1205 1272 1280 1320 1408 1446 1590 1696 1749 1760 1920 1928 2112 2120 2332 2410 2544 2640 2651 2816 2892 2915 3180 3392 3498 3520 3615 3840 3856 4224 4240 4664 4820 5088 5280 5302 5784 5830 6360 6784 6996 7040 7230 7712 7953 8448 8480 8745 9328 9640 10176 10560 10604 11568 11660 12720 12773 13255 13568 13992 14080 14460 15424 15906 16960 17490 18656 19280 20352 21120 21208 23136 23320 25440 25546 26510 27984 28920 30848 31812 33920 34980 36721 37312 38319 38560 39765 40704 42240 42416 46272 46640 50880 51092 53020 55968 57840 61696 63624 63865 67840 69960 73442 74624 76638 77120 79530 84832 92544 93280 101760 102184 106040 110163 111936 115680 127248 127730 139920 140503 146884 149248 153276 154240 159060 169664 183605 185088 186560 191595 203520 204368 212080 220326 223872 231360 254496 255460 279840 281006 293768 306552 308480 318120 339328 367210 373120 383190 403931 408736 421509 424160 440652 447744 462720 508992 510920 550815 559680 562012 587536 613104 636240 678656 702515 734420 746240 766380 807862 817472 843018 848320 881304 925440 1017984 1021840 1101630 1119360 1124024 1175072 1211793 1226208 1272480 1405030 1468840 1532760 1615724 1634944 1686036 1696640 1762608 1946213 2019655 2035968 2043680 2107545 2203260 2238720 2248048 2350144 2423586 2452416 2544960 2810060 2937680 3065520 3231448 3269888 3372072 3393280 3525216 3892426 4039310 4087360 4215090 4406520 4496096 4700288 4847172 4904832 5089920 5620120 5838639 5875360 6058965 6131040 6462896 6744144 7050432 7784852 8078620 8174720 8430180 8813040 8849761 8992192 9400576 9694344 9731065 9809664 10179840 11240240 11677278 11750720 12117930 12262080 12925792 13488288 14100864 15569704 16157240 16349440 16860360 17626080 17699522 17984384 19388688 19462130 21408343 22480480 23354556 23501440 24235860 24524160 25851584 26549283 26976576 28201728 29193195 31139408 32314480 33720720 35252160 35399044 35968768 38777376 38924260 42816686 44248805 44960960 46709112 47002880 48471720 49048320 51703168 53098566 53953152 58386390 62278816 64225029 64628960 67441440 70504320 70798088 77554752 77848520 85633372 88497610 89921920 93418224 96943440 97347371 103406336 106197132 107041715 107906304 116772780 124557632 128450058 129257920 132746415 134882880 141008640 141596176 155109504 155697040 171266744 176995220 179843840 186836448 193886880 194694742 212394264 214083430 233545560 249115264 256900116 258515840 265492830 269765760 283192352 292042113 310219008 311394080 321125145 342533488 353990440 373672896 387773760 389389484 424788528 428166860 467091120 469037333 486736855 498230528 513800232 517031680 530985660 539531520 566384704 584084226 622788160 642250290 685066976 707980880 747345792 775547520 778778968 849577056 856333720 934182240 938074666 973473710 1027600464 1061971320 1132769408 1168168452 1245576320 1284500580 1370133952 1407111999 1415961760 1460210565 1494691584 1551095040 1557557936 1699154112 1712667440 1868364480 1876149332 1946947420 2055200928 2123942640 2265538816 2336336904 2345186665 2491152640 2569001160 2740267904 2814223998 2831923520 2920421130 3115115872 3398308224 3425334880 3736728960 3752298664 3893894840 4110401856 4247885280 4672673808 4690373330 5138002320 5159410663 5480535808 5628447996 5663847040 5840842260 6230231744 6796616448 6850669760 7035559995 7473457920 7504597328 7787789680 8220803712 8495770560 9345347616 9380746660 10276004640 10318821326 11256895992 11327694080 11681684520 12460463488 13701339520 14071119990 15009194656 15478231989 15575579360 16441607424 16991541120 18690695232 18761493320 20552009280 20637642652 22513791984 23363369040 24920926976 25797053315 27402679040 28142239980 30018389312 30956463978 31151158720 33983082240 37381390464 37522986640 41104018560 41275285304 45027583968 46726738080 51594106630 56284479960 60036778624 61912927956 62302317440 74762780928 75045973280 77391159945 82208037120 82550570608 90055167936 93453476160 103188213260 112568959920 120073557248 123825855912 124604634880 150091946560 154782319890 165101141216 180110335872 186906952320 206376426520 225137919840 247651711824 300183893120 309564639780 330202282432 360220671744 373813904640 412752853040 450275839680 495303423648 600367786240 619129279560 660404564864 825505706080 900551679360 990606847296 1238258559120 1320809129728 1651011412160 1801103358720 1981213694592 2476517118240 3302022824320 3962427389184 4953034236480 6604045648640 9906068472960 19812136945920
• Sum of all divisors σ(n): 70623435472128
• Sum of proper divisors (its aliquot sum) s(n): 50811298526208
• 19812136945920 is an abundant number, because the sum of its proper divisors (50811298526208) is greater than itself. Its abundance is 30999161580288

Bases of 19812136945920

• Binary: 100100000010011011111011000101000100100000000₂
• Hexadecimal: 0x1204DF628900
• Base-36: 70TKISX6O

Squares and roots of 19812136945920

• 19812136945920 squared (19812136945920²) is 392520770363888265004646400
• 19812136945920 cubed (19812136945920³) is 7776675256567370897685282741905522688000
• The square root of 19812136945920 is 4451082.6712070851
• The cube root of 19812136945920 is 27058.9188639015

Scales and comparisons

• 19,812,136,945,920 seconds is equal to 629,964 years, 34 weeks, 6 days, 13 hours, 52 minutes.
• To count from 1 to 19,812,136,945,920 would take you about one million, five hundred seventy-four thousand, nine hundred eleven 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 19812136945920 cubic inches would be around 2254.9 feet tall.

Recreational maths with 19812136945920

• 19812136945920 backwards is 02954963121891
• 19812136945920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19812136945920's digits is 60
• More coming soon!