21394591107210

Names of 21394591107210

• Cardinal: 21394591107210 can be written as Twenty-one trillion, three hundred ninety-four billion, five hundred ninety-one million, one hundred seven thousand, two hundred ten.

Scientific notation

• Scientific notation: 2.139459110721 × 10¹³

Factors of 21394591107210

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 832

Divisors of 21394591107210

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 331 405 491 662 810 982 993 1473 1655 1986 2455 2946 2979 3310 4419 4910 4965 5958 7365 8838 8937 9930 13257 14730 14895 17874 22095 26514 26811 29790 39771 44190 44685 53622 66285 79542 89370 109561 132570 134055 162521 198855 219122 241081 268110 325042 328683 397710 482162 487563 547805 657366 723243 812605 975126 986049 1095610 1205405 1446486 1462689 1625210 1643415 1972098 2169729 2410810 2437815 2925378 2958147 3286830 3616215 4339458 4388067 4875630 4930245 5916294 6509187 7232430 7313445 8776134 8874441 9860490 10848645 13018374 13164201 14626890 14790735 17748882 19527561 21697290 21940335 26328402 29581470 32545935 39055122 43880670 44372205 53794451 65091870 65821005 79797811 88744410 97637805 107588902 131642010 159595622 161383353 195275610 239393433 268972255 322766706 398989055 478786866 484150059 537944510 718180299 797978110 806916765 968300118 1196967165 1436360598 1452450177 1613833530 2154540897 2393934330 2420750295 2904900354 3590901495 4309081794 4357350531 4841500590 6463622691 7181802990 7262250885 8714701062 10772704485 12927245382 14524501770 21545408970 21786752655 26413075441 32318113455 43573505310 52826150882 64636226910 79239226323 132065377205 158478452646 237717678969 264130754410 396196131615 475435357938 713153036907 792392263230 1188588394845 1426306073814 2139459110721 2377176789690 3565765184535 4278918221442 7131530369070 10697295553605 21394591107210
• Sum of all divisors σ(n): 57819761718642
• Sum of proper divisors (its aliquot sum) s(n): 36425170611432
• 21394591107210 is an abundant number, because the sum of its proper divisors (36425170611432) is greater than itself. Its abundance is 15030579504222

Bases of 21394591107210

• Binary: 100110111010101010001000000001100100010001010₂
• Hexadecimal: 0x13755100C88A
• Base-36: 7L0JF5IMI

Squares and roots of 21394591107210

• 21394591107210 squared (21394591107210²) is 457728528644709213713984100
• 21394591107210 cubed (21394591107210³) is 9792914708458413497341555602279335361000
• The square root of 21394591107210 is 4625428.7484740265
• The cube root of 21394591107210 is 27760.9717109041

Scales and comparisons

• 21,394,591,107,210 seconds is equal to 680,281 years, 42 weeks, 4 days, 6 hours, 13 minutes, 30 seconds.
• To count from 1 to 21,394,591,107,210 would take you about one million, seven hundred thousand, seven hundred four 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 21394591107210 cubic inches would be around 2313.4 feet tall.

Recreational maths with 21394591107210

• 21394591107210 backwards is 01270119549312
• 21394591107210 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21394591107210's digits is 45
• More coming soon!