19479969720

Names of 19479969720

• Cardinal: 19479969720 can be written as Nineteen billion, four hundred seventy-nine million, nine hundred sixty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.947996972 × 10¹⁰

Factors of 19479969720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 178

Divisors of 19479969720

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 90 93 108 120 124 135 137 155 180 186 216 248 270 274 279 310 360 372 411 465 540 548 558 620 685 744 822 837 930 961 1080 1096 1116 1233 1240 1370 1395 1644 1674 1860 1922 2055 2232 2466 2740 2790 2883 3288 3348 3699 3720 3844 4110 4185 4247 4805 4932 5480 5580 5766 6165 6696 7398 7688 8220 8370 8494 8649 9610 9864 11160 11532 12330 12741 14415 14796 16440 16740 16988 17298 18495 18769 19220 21235 23064 24660 25482 25947 28830 29592 33480 33976 34596 36990 37538 38223 38440 42470 43245 49320 50964 51894 56307 57660 63705 69192 73980 75076 76446 84940 86490 93845 101928 103788 112614 114669 115320 127410 129735 131657 147960 150152 152892 168921 169880 172980 187690 191115 207576 225228 229338 254820 259470 263314 281535 305784 337842 345960 375380 382230 394971 450456 458676 506763 509640 518940 526628 563070 573345 581839 658285 675684 750760 764460 789942 844605 917352 1013526 1037880 1053256 1126140 1146690 1163678 1184913 1316570 1351368 1528920 1579884 1689210 1745517 1974855 2027052 2252280 2293380 2327356 2369826 2533815 2633140 2909195 3159768 3378420 3491034 3554739 3949710 4054104 4586760 4654712 4739652 5067630 5236551 5266280 5818390 5924565 6756840 6982068 7109478 7899420 8727585 9479304 10135260 10473102 11636780 11849130 13964136 14218956 15709653 15798840 17455170 17773695 18037009 20270520 20946204 23273560 23698260 26182755 28437912 31419306 34910340 35547390 36074018 41892408 47396520 52365510 54111027 62838612 69820680 71094780 72148036 78548265 90185045 104731020 108222054 125677224 142189560 144296072 157096530 162333081 180370090 209462040 216444108 270555135 314193060 324666162 360740180 432888216 486999243 541110270 628386120 649332324 721480360 811665405 973998486 1082220540 1298664648 1623330810 1947996972 2164441080 2434996215 3246661620 3895993944 4869992430 6493323240 9739984860 19479969720
• Sum of all divisors σ(n): 67588743600
• Sum of proper divisors (its aliquot sum) s(n): 48108773880
• 19479969720 is an abundant number, because the sum of its proper divisors (48108773880) is greater than itself. Its abundance is 28628804160

Bases of 19479969720

• Binary: 10010001001000110001011111110111000₂
• Hexadecimal: 0x48918BFB8
• Base-36: 8Y5VCU0

Squares and roots of 19479969720

• 19479969720 squared (19479969720²) is 379469220292116878400
• 19479969720 cubed (19479969720³) is 7392048920962446345932922048000
• The square root of 19479969720 is 139570.6621034665
• The cube root of 19479969720 is 2690.6843898313

Scales and comparisons

• 19,479,969,720 seconds is equal to 619 years, 20 weeks, 6 days, 14 hours, 42 minutes.
• To count from 1 to 19,479,969,720 would take you about one thousand, two hundred thirty-eight 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 19479969720 cubic inches would be around 224.2 feet tall.

Recreational maths with 19479969720

• 19479969720 backwards is 02796997491
• The number of decimal digits it has is: 11
• The sum of 19479969720's digits is 63
• More coming soon!