19905710720

Names of 19905710720

• Cardinal: 19905710720 can be written as Nineteen billion, nine hundred five million, seven hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.990571072 × 10¹⁰

Factors of 19905710720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 228

Divisors of 19905710720

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 47 56 64 67 68 70 80 83 85 94 112 119 128 134 136 140 160 166 170 188 224 235 238 268 272 280 320 329 332 335 340 376 415 448 469 470 476 536 544 560 581 595 640 658 664 670 680 752 799 830 896 938 940 952 1072 1088 1120 1139 1162 1190 1316 1328 1340 1360 1411 1504 1598 1645 1660 1876 1880 1904 2144 2176 2240 2278 2324 2345 2380 2632 2656 2680 2720 2822 2905 3008 3149 3196 3290 3320 3752 3760 3808 3901 3995 4288 4480 4556 4648 4690 4760 5264 5312 5360 5440 5561 5593 5644 5695 5810 6016 6298 6392 6580 6640 7055 7504 7520 7616 7802 7973 7990 8576 9112 9296 9380 9520 9877 10528 10624 10720 10880 11122 11186 11288 11390 11620 12596 12784 13160 13280 14110 15008 15040 15232 15604 15745 15946 15980 18224 18592 18760 19040 19505 19754 21056 21440 22043 22244 22372 22576 22780 23240 25192 25568 26320 26560 27307 27805 27965 28220 30016 30080 31208 31490 31892 31960 36448 37184 37520 38080 38927 39010 39508 39865 42112 42880 44086 44488 44744 45152 45560 46480 49385 50384 51136 52640 53120 53533 54614 55610 55930 56440 60032 62416 62980 63784 63920 66317 72896 74368 75040 76160 77854 78020 79016 79730 88172 88976 89488 90304 91120 92960 94537 98770 100768 102272 105280 107066 109228 110215 111220 111860 112880 124832 125960 127568 127840 132634 136535 145792 150080 155708 156040 158032 159460 176344 177952 178976 180608 182240 185920 189074 194635 197540 201536 210560 214132 218456 220430 222440 223720 225760 249664 251920 255136 255680 261367 265268 267665 273070 300160 311416 312080 316064 318920 331585 352688 355904 357952 364480 371840 374731 378148 389270 395080 403072 428264 436912 440860 444880 447440 451520 464219 472685 499328 503840 510272 511360 522734 530536 535330 546140 622832 624160 632128 637840 661759 663170 705376 711808 715904 728960 749462 756296 778540 790160 856528 873824 881720 889760 894880 903040 928438 945370 1007680 1020544 1045468 1061072 1070660 1092280 1245664 1248320 1264256 1275680 1306835 1323518 1326340 1410752 1498924 1512592 1557080 1580320 1713056 1747648 1763440 1779520 1789760 1829569 1856876 1873655 1890740 2015360 2090936 2122144 2141320 2184560 2321095 2491328 2496640 2551360 2613670 2647036 2652680 2821504 2997848 3025184 3114160 3160640 3308795 3426112 3495296 3526880 3559040 3579520 3659138 3713752 3747310 3781480 4181872 4244288 4282640 4369120 4443239 4642190 4982656 5102720 5227340 5294072 5305360 5995696 6050368 6228320 6321280 6617590 6852224 7053760 7318276 7427504 7494620 7562960 8363744 8488576 8565280 8738240 8886478 9147845 9284380 10454680 10588144 10610720 11991392 12100736 12456640 13235180 14107520 14636552 14855008 14989240 15125920 16727488 17130560 17476480 17772956 18295690 18568760 20909360 21176288 21221440 22216195 23982784 24913280 26470360 29273104 29710016 29978480 30251840 31102673 33454976 34261120 35545912 36591380 37137520 41818720 42352576 42442880 44432390 47965568 52940720 58546208 59420032 59956960 60503680 62205346 71091824 73182760 74275040 83637440 84705152 88864780 105881440 117092416 119913920 124410692 142183648 146365520 148550080 155513365 167274880 177729560 211762880 234184832 239827840 248821384 284367296 292731040 297100160 311026730 355459120 423525760 497642768 568734592 585462080 622053460 710918240 995285536 1170924160 1244106920 1421836480 1990571072 2488213840 2843672960 3981142144 4976427680 9952855360 19905710720
• Sum of all divisors σ(n): 60406456320
• Sum of proper divisors (its aliquot sum) s(n): 40500745600
• 19905710720 is an abundant number, because the sum of its proper divisors (40500745600) is greater than itself. Its abundance is 20595034880

Bases of 19905710720

• Binary: 10010100010011110010000101010000000₂
• Hexadecimal: 0x4A2790A80
• Base-36: 957CGOW

Squares and roots of 19905710720

• 19905710720 squared (19905710720²) is 396237319268322918400
• 19905710720 cubed (19905710720³) is 7887385453823518073216565248000
• The square root of 19905710720 is 141087.5994550903
• The cube root of 19905710720 is 2710.1452208143

Scales and comparisons

• 19,905,710,720 seconds is equal to 632 years, 48 weeks, 6 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 19,905,710,720 would take you about one thousand, two hundred sixty-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 19905710720 cubic inches would be around 225.8 feet tall.

Recreational maths with 19905710720

• 19905710720 backwards is 02701750991
• The number of decimal digits it has is: 11
• The sum of 19905710720's digits is 41
• More coming soon!