21530126800

Names of 21530126800

• Cardinal: 21530126800 can be written as Twenty-one billion, five hundred thirty million, one hundred twenty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.15301268 × 10¹⁰

Factors of 21530126800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 463

Divisors of 21530126800

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 35 40 50 52 56 65 70 80 91 100 104 112 130 140 169 173 175 182 200 208 260 263 280 325 338 346 350 364 400 455 520 526 560 650 676 692 700 728 845 865 910 1040 1052 1183 1211 1300 1315 1352 1384 1400 1456 1690 1730 1820 1841 2104 2249 2275 2366 2422 2600 2630 2704 2768 2800 3380 3419 3460 3640 3682 4208 4225 4325 4498 4550 4732 4844 5200 5260 5915 6055 6575 6760 6838 6920 7280 7364 8450 8650 8996 9100 9205 9464 9688 10520 11245 11830 12110 13150 13520 13676 13840 14728 15743 16900 17095 17300 17992 18200 18410 18928 19376 21040 22490 23660 23933 24220 26300 27352 29237 29456 29575 30275 31486 33800 34190 34600 35984 36400 36820 44447 44980 45499 46025 47320 47866 48440 52600 54704 56225 58474 59150 60550 62972 67600 68380 69200 73640 78715 85475 88894 89960 90998 92050 94640 95732 96880 105200 112450 116948 118300 119665 121100 125944 136760 146185 147280 157430 170950 177788 179920 181996 184100 191464 204659 222235 224900 227495 233896 236600 239330 242200 251888 273520 292370 311129 314860 318493 341900 355576 363992 368200 382928 393575 409318 444470 449800 454990 467792 473200 478660 484400 584740 591487 598325 622258 629720 636986 683800 711152 727984 730925 736400 787150 818636 888940 899600 909980 957320 1023295 1111175 1137475 1169480 1182974 1196650 1244516 1259440 1273972 1367600 1461850 1555645 1574300 1592465 1637272 1777880 1819960 1914640 2046590 2222350 2274950 2338960 2365948 2393300 2489032 2547944 2923700 2957435 3111290 3148600 3184930 3274544 3555760 3639920 4093180 4140409 4444700 4549900 4731896 4786600 4978064 5095888 5116475 5847400 5914870 6222580 6297200 6369860 7689331 7778225 7962325 8186360 8280818 8889400 9099800 9463792 9573200 10232950 11694800 11829740 12445160 12739720 14787175 15378662 15556450 15924650 16372720 16561636 17778800 18199600 20465900 20702045 23659480 24890320 25479440 29574350 30757324 31112900 31849300 33123272 38446655 40931800 41404090 47318960 53825317 59148700 61514648 62225800 63698600 66246544 76893310 81863600 82808180 103510225 107650634 118297400 123029296 124451600 127397200 153786620 165616360 192233275 207020450 215301268 236594800 269126585 307573240 331232720 384466550 414040900 430602536 538253170 615146480 768933100 828081800 861205072 1076506340 1345632925 1537866200 1656163600 2153012680 2691265850 3075732400 4306025360 5382531700 10765063400 21530126800
• Sum of all divisors σ(n): 64627542144
• Sum of proper divisors (its aliquot sum) s(n): 43097415344
• 21530126800 is an abundant number, because the sum of its proper divisors (43097415344) is greater than itself. Its abundance is 21567288544

Bases of 21530126800

• Binary: 10100000011010010111010100111010000₂
• Hexadecimal: 0x5034BA9D0
• Base-36: 9W2HC5S

Squares and roots of 21530126800

• 21530126800 squared (21530126800²) is 463546360024078240000
• 21530126800 cubed (21530126800³) is 9980211908996855560320832000000
• The square root of 21530126800 is 146731.4785586241
• The cube root of 21530126800 is 2781.9470686059

Scales and comparisons

• 21,530,126,800 seconds is equal to 684 years, 30 weeks, 5 days, 6 hours, 46 minutes, 40 seconds.
• To count from 1 to 21,530,126,800 would take you about one thousand, three hundred sixty-nine 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 21530126800 cubic inches would be around 231.8 feet tall.

Recreational maths with 21530126800

• 21530126800 backwards is 00862103512
• 21530126800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21530126800's digits is 28
• More coming soon!