21343006720

Names of 21343006720

• Cardinal: 21343006720 can be written as Twenty-one billion, three hundred forty-three million, six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.134300672 × 10¹⁰

Factors of 21343006720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 67

Divisors of 21343006720

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 53 56 64 70 80 106 112 128 140 160 212 224 256 265 280 320 371 424 448 512 530 560 640 742 848 896 1024 1060 1120 1280 1484 1696 1792 1855 2048 2120 2240 2560 2809 2968 3392 3584 3710 4096 4240 4480 5120 5618 5936 6784 7168 7420 8480 8960 10240 11236 11872 13568 14045 14336 14840 16960 17920 19663 20480 22472 23744 27136 28090 28672 29680 33920 35840 39326 44944 47488 54272 56180 59360 67840 71680 78652 89888 94976 98315 108544 112360 118720 135680 143360 148877 157304 179776 189952 196630 217088 224720 237440 271360 297754 314608 359552 379904 393260 449440 474880 542720 595508 629216 719104 744385 759808 786520 898880 949760 1042139 1085440 1191016 1258432 1438208 1488770 1519616 1573040 1797760 1899520 2084278 2382032 2516864 2876416 2977540 3146080 3595520 3799040 4168556 4764064 5033728 5210695 5752832 5955080 6292160 7191040 7598080 8337112 9528128 10067456 10421390 11505664 11910160 12584320 14382080 16674224 19056256 20134912 20842780 23820320 25168640 28764160 33348448 38112512 40269824 41685560 47640640 50337280 57528320 66696896 76225024 80539648 83371120 95281280 100674560 133393792 152450048 166742240 190562560 201349120 266787584 304900096 333484480 381125120 402698240 533575168 609800192 666968960 762250240 1067150336 1333937920 1524500480 2134300672 2667875840 3049000960 4268601344 5335751680 10671503360 21343006720
• Sum of all divisors σ(n): 59659312320
• Sum of proper divisors (its aliquot sum) s(n): 38316305600
• 21343006720 is an abundant number, because the sum of its proper divisors (38316305600) is greater than itself. Its abundance is 16973298880

Bases of 21343006720

• Binary: 10011111000001001000111000000000000₂
• Hexadecimal: 0x4F8247000
• Base-36: 9SZ2PDS

Squares and roots of 21343006720

• 21343006720 squared (21343006720²) is 455523935849965158400
• 21343006720 cubed (21343006720³) is 9722250423966655287497064448000
• The square root of 21343006720 is 146092.4594905569
• The cube root of 21343006720 is 2773.8642310399

Scales and comparisons

• 21,343,006,720 seconds is equal to 678 years, 33 weeks, 2 days, 12 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,343,006,720 would take you about one thousand, three hundred fifty-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 21343006720 cubic inches would be around 231.2 feet tall.

Recreational maths with 21343006720

• 21343006720 backwards is 02760034312
• 21343006720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21343006720's digits is 28
• More coming soon!