19991229440

Names of 19991229440

• Cardinal: 19991229440 can be written as Nineteen billion, nine hundred ninety-one million, two hundred twenty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.999122944 × 10¹⁰

Factors of 19991229440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 535

Divisors of 19991229440

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 107 112 128 130 140 160 182 208 214 224 256 260 280 320 364 401 416 428 448 455 512 520 535 560 640 728 749 802 832 856 896 910 1024 1040 1070 1120 1280 1391 1456 1498 1604 1664 1712 1792 1820 2005 2080 2140 2240 2560 2782 2807 2912 2996 3208 3328 3424 3584 3640 3745 4010 4160 4280 4480 5120 5213 5564 5614 5824 5992 6416 6656 6848 6955 7168 7280 7490 8020 8320 8560 8960 9737 10426 11128 11228 11648 11984 12832 13312 13696 13910 14035 14560 14980 16040 16640 17120 17920 19474 20852 22256 22456 23296 23968 25664 26065 27392 27820 28070 29120 29960 32080 33280 34240 35840 36491 38948 41704 42907 44512 44912 46592 47936 48685 51328 52130 54784 55640 56140 58240 59920 64160 66560 68480 72982 77896 83408 85814 89024 89824 93184 95872 97370 102656 104260 109568 111280 112280 116480 119840 128320 136960 145964 155792 166816 171628 178048 179648 182455 191744 194740 205312 208520 214535 222560 224560 232960 239680 256640 273920 291928 300349 311584 333632 343256 356096 359296 364910 383488 389480 410624 417040 429070 445120 449120 465920 479360 513280 547840 557791 583856 600698 623168 667264 686512 712192 718592 729820 766976 778960 834080 858140 890240 898240 958720 1026560 1115582 1167712 1201396 1246336 1334528 1373024 1424384 1437184 1459640 1501745 1557920 1668160 1716280 1780480 1796480 1917440 2053120 2231164 2335424 2402792 2492672 2669056 2746048 2788955 2874368 2919280 3003490 3115840 3336320 3432560 3560960 3592960 3834880 3904537 4462328 4670848 4805584 4985344 5338112 5492096 5577910 5838560 6006980 6231680 6672640 6865120 7121920 7185920 7809074 8924656 9341696 9611168 9970688 10984192 11155820 11677120 12013960 12463360 13345280 13730240 14371840 15618148 17849312 18683392 19222336 19522685 21968384 22311640 23354240 24027920 24926720 26690560 27460480 31236296 35698624 37366784 38444672 39045370 43936768 44623280 46708480 48055840 49853440 54920960 62472592 71397248 76889344 78090740 89246560 93416960 96111680 109841920 124945184 142794496 153778688 156181480 178493120 186833920 192223360 219683840 249890368 285588992 307557376 312362960 356986240 384446720 499780736 571177984 624725920 713972480 768893440 999561472 1249451840 1427944960 1537786880 1999122944 2498903680 2855889920 3998245888 4997807360 9995614720 19991229440
• Sum of all divisors σ(n): 59722354944
• Sum of proper divisors (its aliquot sum) s(n): 39731125504
• 19991229440 is an abundant number, because the sum of its proper divisors (39731125504) is greater than itself. Its abundance is 19739896064

Bases of 19991229440

• Binary: 10010100111100100011111010000000000₂
• Hexadecimal: 0x4A791F400
• Base-36: 96M9FCW

Squares and roots of 19991229440

• 19991229440 squared (19991229440²) is 399649254522722713600
• 19991229440 cubed (19991229440³) is 7989479942688707461077008384000
• The square root of 19991229440 is 141390.3442247737
• The cube root of 19991229440 is 2714.0207758711

Scales and comparisons

• 19,991,229,440 seconds is equal to 635 years, 34 weeks, 1 day, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 19,991,229,440 would take you about one thousand, two hundred seventy-one 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 19991229440 cubic inches would be around 226.2 feet tall.

Recreational maths with 19991229440

• 19991229440 backwards is 04492219991
• The number of decimal digits it has is: 11
• The sum of 19991229440's digits is 50
• More coming soon!