21530340972523200

Names of 21530340972523200

• Cardinal: 21530340972523200 can be written as Twenty-one quadrillion, five hundred thirty trillion, three hundred forty billion, nine hundred seventy-two million, five hundred twenty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.15303409725232 × 10¹⁶

Factors of 21530340972523200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7828

Divisors of 21530340972523200

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 150 160 192 200 240 281 300 320 400 480 562 600 800 843 960 1124 1200 1405 1600 1686 2248 2400 2810 3372 4215 4496 4800 5620 6744 7025 7537 8430 8992 11240 13488 14050 15074 16860 17984 21075 22480 22611 26976 28100 30148 33720 37685 42150 44960 45222 53952 56200 60296 67440 75370 78961 84300 89920 90444 112400 113055 120592 134880 150740 157922 168600 180888 188425 224800 226110 236883 241184 269760 301480 315844 337200 361776 376850 394805 449600 452220 473766 482368 565275 602960 631688 674400 723552 753700 789610 904440 947532 1130550 1184415 1205920 1263376 1348800 1447104 1507400 1579220 1808880 1895064 1974025 2117897 2261100 2368830 2411840 2526752 3014800 3158440 3617760 3790128 3948050 4235794 4522200 4737660 5053504 5922075 6029600 6316880 6353691 7235520 7580256 7896100 8471588 9044400 9475320 10589485 11844150 12059200 12633760 12707382 15160512 15792200 16943176 18088800 18950640 21178970 23688300 25267520 25414764 31584400 31768455 33886352 36177600 37901280 42357940 47376600 50829528 52947425 56806369 63168800 63536910 67772704 75802560 84715880 94753200 101659056 105894850 113612738 126337600 127073820 135545408 158842275 169431760 170419107 189506400 203318112 211789700 227225476 254147640 284031845 317684550 338863520 340838214 379012800 406636224 423579400 454450952 508295280 568063690 595129057 635369100 677727040 681676428 847158800 852095535 908901904 1016590560 1136127380 1190258114 1270738200 1363352856 1420159225 1694317600 1704191070 1785387171 1817803808 2033181120 2272254760 2380516228 2541476400 2726705712 2840318450 2975645285 3388635200 3408382140 3570774342 3635607616 4260477675 4544509520 4761032456 5082952800 5453411424 5680636900 5951290570 6816764280 7141548684 8520955350 8926935855 9089019040 9522064912 10165905600 10906822848 11361273800 11902581140 13633528560 14283097368 14878226425 15962589689 17041910700 17853871710 18178038080 19044129824 22722547600 23805162280 27267057120 28566194736 29756452850 31925179378 34083821400 35707743420 38088259648 44634679275 45445095200 47610324560 47887769067 54534114240 57132389472 59512905700 63850358756 68167642800 71415486840 79812948445 89269358550 90890190400 95220649120 95775538134 114264778944 119025811400 127700717512 136335285600 142830973680 159625896890 178538717100 190441298240 191551076268 238051622800 239438845335 255401435024 272670571200 285661947360 319251793780 357077434200 383102152536 399064742225 476103245600 478877690670 510802870048 571323894720 638503587560 714154868400 766204305072 798129484450 952206491200 957755381340 1021605740096 1197194226675 1277007175120 1428309736800 1532408610144 1596258968900 1915510762680 2394388453350 2554014350240 2856619473600 3064817220288 3192517937800 3831021525360 4485487702609 4788776906700 5108028700480 6385035875600 7662043050720 8970975405218 9577553813400 12770071751200 13456463107827 15324086101440 17941950810436 19155107626800 22427438513045 25540143502400 26912926215654 35883901620872 38310215253600 44854877026090 53825852431308 67282315539135 71767803241744 76620430507200 89709754052180 107651704862616 112137192565225 134564631078270 143535606483488 179419508104360 215303409725232 224274385130450 269129262156540 287071212966976 336411577695675 358839016208720 430606819450464 448548770260900 538258524313080 672823155391350 717678032417440 861213638900928 897097540521800 1076517048626160 1345646310782700 1435356064834880 1794195081043600 2153034097252320 2691292621565400 3588390162087200 4306068194504640 5382585243130800 7176780324174400 10765170486261600 21530340972523200
• Sum of all divisors σ(n): 70899140601450948
• Sum of proper divisors (its aliquot sum) s(n): 49368799628927748
• 21530340972523200 is an abundant number, because the sum of its proper divisors (49368799628927748) is greater than itself. Its abundance is 27838458656404548

Bases of 21530340972523200

• Binary: 1001100011111011011101100100101100011110110111011000000₂
• Hexadecimal: 0x4C7DBB258F6EC0
• Base-36: 5VZVA3I3YDC

Squares and roots of 21530340972523200

• 21530340972523200 squared (21530340972523200²) is 463555582393111253577374538240000
• 21530340972523200 cubed (21530340972523200³) is 9980509748640257314159304400729935127687168000000
• The square root of 21530340972523200 is 146732208.3679081005
• The cube root of 21530340972523200 is 278195.6293116561

Scales and comparisons

• 21,530,340,972,523,200 seconds is equal to 684,598,245 years, 10 weeks, 6 days, 1 hour, 20 minutes.
• To count from 1 to 21,530,340,972,523,200 would take you about two billion, fifty-three million, seven hundred ninety-four thousand, seven hundred thirty-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 21530340972523200 cubic inches would be around 23183 feet tall.

Recreational maths with 21530340972523200

• 21530340972523200 backwards is 00232527904303512
• 21530340972523200 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21530340972523200's digits is 48
• More coming soon!