21137480870400

Names of 21137480870400

• Cardinal: 21137480870400 can be written as Twenty-one trillion, one hundred thirty-seven billion, four hundred eighty million, eight hundred seventy thousand, four hundred.

Scientific notation

• Scientific notation: 2.11374808704 × 10¹³

Factors of 21137480870400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 662688

Divisors of 21137480870400

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 256 277 288 300 320 360 384 400 450 480 512 554 576 600 640 720 768 800 831 900 960 1108 1152 1200 1280 1385 1440 1536 1600 1662 1800 1920 2216 2304 2400 2493 2560 2770 2880 3200 3324 3600 3840 4155 4432 4608 4800 4986 5540 5760 6400 6648 6925 7200 7680 8310 8864 9600 9972 11080 11520 12465 12800 13296 13850 14400 16620 17728 19200 19944 20775 22160 23040 24930 26592 27700 28800 33240 35456 38400 39888 41550 44320 49860 53184 55400 57600 62325 66480 70912 79776 83100 88640 99720 106368 110800 115200 124650 132960 141824 159552 166200 177280 199440 212736 221600 249300 265920 319104 332400 354560 398880 425472 443200 498600 531840 638208 662401 664800 709120 797760 886400 997200 1063680 1276416 1324802 1329600 1595520 1772800 1987203 1994400 2127360 2649604 2659200 3191040 3312005 3545600 3974406 3988800 5299208 5318400 5961609 6382080 6624010 7948812 7977600 9936015 10598416 10636800 11923218 13248020 15897624 15955200 16560025 19872030 21196832 23846436 26496040 29808045 31795248 31910400 33120050 39744060 42393664 47692872 49680075 52992080 59616090 63590496 66240100 79488120 84787328 95385744 99360150 105984160 119232180 127180992 132480200 149040225 158976240 169574656 183485077 190771488 198720300 211968320 238464360 254361984 264960400 298080450 317952480 339149312 366970154 381542976 397440600 423936640 476928720 508723968 529920800 550455231 596160900 635904960 733940308 763085952 794881200 847873280 917425385 953857440 1017447936 1059841600 1100910462 1192321800 1271809920 1467880616 1526171904 1589762400 1651365693 1695746560 1834850770 1907714880 2119683200 2201820924 2384643600 2543619840 2752276155 2935761232 3052343808 3179524800 3302731386 3669701540 3815429760 4239366400 4403641848 4587126925 4769287200 5087239680 5504552310 5871522464 6359049600 6605462772 7339403080 7630859520 8256828465 8478732800 8807283696 9174253850 9538574400 11009104620 11743044928 12718099200 13210925544 13761380775 14678806160 15261719040 16513656930 17614567392 18348507700 19077148800 22018209240 23486089856 25436198400 26421851088 27522761550 29357612320 33027313860 35229134784 36697015400 38154297600 41284142325 44036418480 46972179712 52843702176 55045523100 58715224640 66054627720 70458269568 73394030800 76308595200 82568284650 88072836960 93944359424 105687404352 110091046200 117430449280 132109255440 140916539136 146788061600 165136569300 176145673920 211374808704 220182092400 234860898560 264218510880 281833078272 293576123200 330273138600 352291347840 422749617408 440364184800 469721797120 528437021760 587152246400 660546277200 704582695680 845499234816 880728369600 1056874043520 1174304492800 1321092554400 1409165391360 1761456739200 2113748087040 2348608985600 2642185108800 3522913478400 4227496174080 5284370217600 7045826956800 10568740435200 21137480870400
• Sum of all divisors σ(n): 75918411218364
• Sum of proper divisors (its aliquot sum) s(n): 54780930347964
• 21137480870400 is an abundant number, because the sum of its proper divisors (54780930347964) is greater than itself. Its abundance is 33643449477564

Bases of 21137480870400

• Binary: 100110011100101110100000010011110101000000000₂
• Hexadecimal: 0x13397409EA00
• Base-36: 7HQFACU80

Squares and roots of 21137480870400

• 21137480870400 squared (21137480870400²) is 446793097546525941596160000
• 21137480870400 cubed (21137480870400³) is 9444080552416453264466179642097664000000
• The square root of 21137480870400 is 4597551.6169369975
• The cube root of 21137480870400 is 27649.3170930071

Scales and comparisons

• 21,137,480,870,400 seconds is equal to 672,106 years, 26 weeks, 3 days, 8 hours.
• To count from 1 to 21,137,480,870,400 would take you about one million, six hundred eighty thousand, two hundred sixty-six 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 21137480870400 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21137480870400

• 21137480870400 backwards is 00407808473112
• 21137480870400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21137480870400's digits is 45
• More coming soon!