28259969920

Names of 28259969920

• Cardinal: 28259969920 can be written as Twenty-eight billion, two hundred fifty-nine million, nine hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.825996992 × 10¹⁰

Factors of 28259969920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 803

Divisors of 28259969920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 103 104 112 128 130 140 160 182 196 206 208 224 245 260 280 320 364 392 412 416 448 455 490 515 520 560 637 640 673 721 728 784 824 832 896 910 980 1030 1040 1120 1274 1339 1346 1442 1456 1568 1648 1664 1820 1960 2060 2080 2240 2548 2678 2692 2884 2912 3136 3185 3296 3365 3605 3640 3920 4120 4160 4480 4711 5047 5096 5356 5384 5768 5824 6272 6370 6592 6695 6730 7210 7280 7840 8240 8320 8749 9373 9422 10094 10192 10712 10768 11536 11648 12740 13184 13390 13460 14420 14560 15680 16480 17498 18746 18844 20188 20384 21424 21536 23072 23555 25235 25480 26780 26920 28840 29120 31360 32960 32977 34996 37492 37688 40376 40768 42848 43072 43745 46144 46865 47110 50470 50960 53560 53840 57680 58240 61243 65611 65920 65954 69319 69992 74984 75376 80752 81536 85696 86144 87490 92288 93730 94220 100940 101920 107120 107680 115360 122486 131222 131908 138638 139984 149968 150752 161504 164885 171392 174980 187460 188440 201880 203840 214240 215360 230720 244972 262444 263816 277276 279968 299936 301504 306215 323008 328055 329770 346595 349960 374920 376880 403760 407680 428480 428701 430720 461440 485233 489944 524888 527632 554552 559936 599872 603008 612430 646016 656110 659540 693190 699920 749840 753760 807520 856960 857402 901147 970466 979888 1049776 1055264 1109104 1119872 1199744 1224860 1312220 1319080 1386380 1399840 1499680 1507520 1615040 1714804 1802294 1940932 1959776 2099552 2110528 2143505 2218208 2426165 2449720 2624440 2638160 2772760 2799680 2999360 3015040 3230080 3396631 3429608 3604588 3881864 3919552 4199104 4221056 4287010 4436416 4505735 4852330 4899440 5248880 5276320 5545520 5599360 5998720 6308029 6793262 6859216 7209176 7763728 7839104 8398208 8574020 8872832 9011470 9704660 9798880 10497760 10552640 11091040 12616058 13586524 13718432 14418352 15527456 16983155 17148040 18022940 19409320 19597760 20995520 21105280 22182080 25232116 27173048 27436864 28836704 31054912 31540145 33966310 34296080 36045880 38818640 39195520 41991040 44156203 44364160 50464232 54346096 54873728 57673408 62109824 63080290 67932620 68592160 72091760 77637280 88312406 100928464 108692192 115346816 126160580 135865240 137184320 144183520 155274560 176624812 201856928 217384384 220781015 252321160 271730480 274368640 288367040 310549120 353249624 403713856 434768768 441562030 504642320 543460960 576734080 706499248 807427712 883124060 1009284640 1086921920 1412998496 1766248120 2018569280 2173843840 2825996992 3532496240 4037138560 5651993984 7064992480 14129984960 28259969920
• Sum of all divisors σ(n): 85583010240
• Sum of proper divisors (its aliquot sum) s(n): 57323040320
• 28259969920 is an abundant number, because the sum of its proper divisors (57323040320) is greater than itself. Its abundance is 29063070400

Bases of 28259969920

• Binary: 11010010100011011001110101110000000₂
• Hexadecimal: 0x6946CEB80
• Base-36: CZD98CG

Squares and roots of 28259969920

• 28259969920 squared (28259969920²) is 798625899879304806400
• 28259969920 cubed (28259969920³) is 22569143907922085459375423488000
• The square root of 28259969920 is 168107.0192466691
• The cube root of 28259969920 is 3045.9579141503

Scales and comparisons

• 28,259,969,920 seconds is equal to 898 years, 30 weeks, 23 hours, 38 minutes, 40 seconds.
• To count from 1 to 28,259,969,920 would take you about one thousand, seven hundred ninety-seven 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 28259969920 cubic inches would be around 253.8 feet tall.

Recreational maths with 28259969920

• 28259969920 backwards is 02996995282
• The number of decimal digits it has is: 11
• The sum of 28259969920's digits is 61
• More coming soon!