12749947392

Names of 12749947392

• Cardinal: 12749947392 can be written as Twelve billion, seven hundred forty-nine million, nine hundred forty-seven thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.2749947392 × 10¹⁰

Factors of 12749947392

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 265

Divisors of 12749947392

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 64 78 83 84 91 96 98 104 112 128 147 156 157 166 168 182 192 196 208 224 249 256 273 294 312 314 332 336 364 384 392 416 448 471 498 512 546 581 588 624 628 637 664 672 728 768 784 832 896 942 996 1079 1092 1099 1162 1176 1248 1256 1274 1328 1344 1456 1536 1568 1664 1743 1792 1884 1911 1992 2041 2158 2184 2198 2324 2352 2496 2512 2548 2656 2688 2912 3136 3237 3297 3328 3486 3584 3768 3822 3984 4067 4082 4316 4368 4396 4648 4704 4992 5024 5096 5312 5376 5824 6123 6272 6474 6594 6656 6972 7536 7553 7644 7693 7968 8134 8164 8632 8736 8792 9296 9408 9984 10048 10192 10624 10752 11648 12201 12246 12544 12948 13031 13188 13944 14287 15072 15106 15288 15386 15936 16268 16328 17264 17472 17584 18592 18816 19968 20096 20384 21248 22659 23079 23296 24402 24492 25088 25896 26062 26376 27888 28574 30144 30212 30576 30772 31872 32536 32656 34528 34944 35168 37184 37632 39093 40192 40768 42496 42861 45318 46158 46592 48804 48984 51792 52124 52752 52871 55776 57148 60288 60424 61152 61544 63744 65072 65312 69056 69888 70336 74368 75264 78186 80384 81536 85722 90636 91217 92316 97608 97968 100009 103584 104248 105504 105742 111552 114296 120576 120848 122304 123088 127488 130144 130624 138112 139776 140672 148736 156372 158613 163072 169403 171444 181272 182434 184632 195216 195936 200018 207168 208496 211008 211484 223104 228592 241152 241696 244608 246176 260288 261248 273651 276224 281344 297472 300027 312744 317226 326144 338806 342888 362544 364868 369264 390432 391872 400036 414336 416992 422016 422968 446208 457184 483392 489216 492352 508209 520576 522496 547302 552448 562688 600054 625488 634452 638519 677612 685776 725088 729736 738528 780864 783744 800072 828672 833984 844032 845936 892416 914368 966784 978432 984704 1016418 1041152 1044992 1094604 1185821 1200108 1250976 1268904 1277038 1355224 1371552 1450176 1459472 1477056 1561728 1567488 1600144 1657344 1667968 1688064 1691872 1828736 1915557 1933568 1969408 2032836 2082304 2189208 2371642 2400216 2501952 2537808 2554076 2710448 2743104 2900352 2918944 2954112 3123456 3134976 3200288 3335936 3383744 3557463 3657472 3831114 3867136 3938816 4065672 4378416 4743284 4800432 5003904 5075616 5108152 5420896 5486208 5800704 5837888 5908224 6246912 6400576 6671872 6767488 7114926 7314944 7662228 8131344 8300747 8756832 9486568 9600864 10007808 10151232 10216304 10841792 10972416 11601408 11675776 11816448 12801152 13534976 14229852 15324456 16262688 16601494 17513664 18973136 19201728 20015616 20302464 20432608 21683584 21944832 23351552 24902241 25602304 27069952 28459704 30648912 32525376 33202988 35027328 37946272 38403456 40604928 40865216 43367168 46703104 49804482 51204608 56919408 61297824 65050752 66405976 70054656 75892544 76806912 81209856 81730432 86734336 99608964 113838816 122595648 130101504 132811952 140109312 151785088 153613824 163460864 199217928 227677632 245191296 260203008 265623904 303570176 326921728 398435856 455355264 490382592 531247808 607140352 796871712 910710528 980765184 1062495616 1593743424 1821421056 2124991232 3187486848 4249982464 6374973696 12749947392
• Sum of all divisors σ(n): 43338601152
• Sum of proper divisors (its aliquot sum) s(n): 30588653760
• 12749947392 is an abundant number, because the sum of its proper divisors (30588653760) is greater than itself. Its abundance is 17838706368

Bases of 12749947392

• Binary: 1011110111111101001100001000000000₂
• Hexadecimal: 0x2F7F4C200
• Base-36: 5UUZMDC

Squares and roots of 12749947392

• 12749947392 squared (12749947392²) is 162561158498767601664
• 12749947392 cubed (12749947392³) is 2072646218841860618050011660288
• The square root of 12749947392 is 112915.6649539823
• The cube root of 12749947392 is 2336.1611510769

Scales and comparisons

• 12,749,947,392 seconds is equal to 405 years, 21 weeks, 1 day, 20 hours, 3 minutes, 12 seconds.
• To count from 1 to 12,749,947,392 would take you about eight hundred ten 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 12749947392 cubic inches would be around 194.7 feet tall.

Recreational maths with 12749947392

• 12749947392 backwards is 29374994721
• The number of decimal digits it has is: 11
• The sum of 12749947392's digits is 57
• More coming soon!