19749345408

Names of 19749345408

• Cardinal: 19749345408 can be written as Nineteen billion, seven hundred forty-nine million, three hundred forty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.9749345408 × 10¹⁰

Factors of 19749345408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 318

Divisors of 19749345408

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 38 39 48 52 57 64 72 76 78 96 104 114 117 128 144 152 156 169 171 192 208 228 234 247 281 288 304 312 338 342 361 384 416 456 468 494 507 562 576 608 624 676 684 722 741 832 843 912 936 988 1014 1083 1124 1152 1216 1248 1352 1368 1444 1482 1521 1664 1686 1824 1872 1976 2028 2166 2223 2248 2432 2496 2529 2704 2736 2888 2964 3042 3211 3249 3372 3648 3653 3744 3952 4056 4332 4446 4496 4693 4992 5058 5339 5408 5472 5776 5928 6084 6422 6498 6744 7296 7306 7488 7904 8112 8664 8892 8992 9386 9633 10116 10678 10816 10944 10959 11552 11856 12168 12844 12996 13488 14079 14612 14976 15808 16017 16224 17328 17784 17984 18772 19266 20232 21356 21632 21888 21918 23104 23712 24336 25688 25992 26976 28158 28899 29224 31616 32034 32448 32877 34656 35568 35968 37544 38532 40464 42237 42712 43836 46208 47424 47489 48051 48672 51376 51984 53952 56316 57798 58448 61009 64068 64896 65754 69312 69407 71136 75088 77064 80928 84474 85424 87672 94848 94978 96102 97344 101441 102752 103968 107904 112632 115596 116896 122018 128136 131508 138624 138814 142272 142467 150176 154128 161856 168948 170848 175344 183027 189956 192204 194688 202882 205504 207936 208221 225264 231192 233792 244036 256272 263016 277628 284544 284934 300352 304323 308256 323712 337896 341696 350688 366054 379912 384408 405764 411008 415872 416442 427401 450528 462384 467584 488072 512544 526032 549081 555256 569868 600704 608646 616512 624663 675792 683392 701376 732108 759824 768816 811528 832884 854802 901056 902291 912969 924768 976144 1025088 1052064 1098162 1110512 1139736 1217292 1233024 1249326 1318733 1351584 1402752 1464216 1519648 1537632 1623056 1665768 1709604 1802112 1804582 1825938 1849536 1952288 2050176 2104128 2196324 2221024 2279472 2434584 2498652 2637466 2703168 2706873 2928432 3039296 3075264 3246112 3331536 3419208 3609164 3651876 3699072 3904576 3956199 4208256 4392648 4442048 4558944 4869168 4997304 5274932 5406336 5413746 5856864 6078592 6150528 6492224 6663072 6838416 7218328 7303752 7809152 7912398 8120619 8785296 8884096 9117888 9738336 9994608 10549864 10827492 11713728 11868597 12984448 13326144 13676832 14436656 14607504 15824796 16241238 17143529 17570592 18235776 19476672 19989216 21099728 21654984 23427456 23737194 26652288 27353664 28873312 29215008 31649592 32482476 34287058 35141184 38953344 39978432 42199456 43309968 47474388 51430587 54707328 57746624 58430016 63299184 64964952 68574116 70282368 79956864 84398912 86619936 94948776 102861174 115493248 116860032 126598368 129929904 137148232 154291761 168797824 173239872 189897552 205722348 253196736 259859808 274296464 308583522 346479744 379795104 411444696 506393472 519719616 548592928 617167044 759590208 822889392 1039439232 1097185856 1234334088 1519180416 1645778784 2194371712 2468668176 3291557568 4937336352 6583115136 9874672704 19749345408
• Sum of all divisors σ(n): 65179152090
• Sum of proper divisors (its aliquot sum) s(n): 45429806682
• 19749345408 is an abundant number, because the sum of its proper divisors (45429806682) is greater than itself. Its abundance is 25680461274

Bases of 19749345408

• Binary: 10010011001001001110001100010000000₂
• Hexadecimal: 0x499271880
• Base-36: 92M90G0

Squares and roots of 19749345408

• 19749345408 squared (19749345408²) is 390036644044490686464
• 19749345408 cubed (19749345408³) is 7702968405011792686416566157312
• The square root of 19749345408 is 140532.3642724337
• The cube root of 19749345408 is 2703.0302242285

Scales and comparisons

• 19,749,345,408 seconds is equal to 627 years, 50 weeks, 2 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 19,749,345,408 would take you about one thousand, two hundred fifty-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 19749345408 cubic inches would be around 225.3 feet tall.

Recreational maths with 19749345408

• 19749345408 backwards is 80454394791
• The number of decimal digits it has is: 11
• The sum of 19749345408's digits is 54
• More coming soon!