21429216576

Names of 21429216576

• Cardinal: 21429216576 can be written as Twenty-one billion, four hundred twenty-nine million, two hundred sixteen thousand, five hundred seventy-six.

Scientific notation

• Scientific notation: 2.1429216576 × 10¹⁰

Factors of 21429216576

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9038

Divisors of 21429216576

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 73 76 96 108 114 144 146 152 171 192 216 219 228 288 292 304 342 432 438 456 513 576 584 608 657 684 864 876 912 1026 1168 1216 1314 1368 1387 1728 1752 1824 1971 2052 2336 2628 2736 2774 3504 3648 3942 4104 4161 4672 5256 5472 5548 7008 7884 8208 8322 8941 10512 10944 11096 12483 14016 15768 16416 16644 17882 21024 22192 24966 26823 31536 32832 33288 35764 37449 42048 44384 49932 53646 63072 66576 71528 74898 80469 88768 99864 107292 126144 133152 143056 149796 160938 169879 199728 214584 241407 266304 286112 299592 321876 339758 399456 429168 482814 509637 572224 599184 643752 652693 679516 798912 858336 965628 1019274 1198368 1287504 1305386 1359032 1528911 1716672 1931256 1958079 2038548 2396736 2575008 2610772 2718064 3057822 3862512 3916158 4077096 4586733 5150016 5221544 5436128 5874237 6115644 7725024 7832316 8154192 9173466 10443088 10872256 11748474 12231288 12401167 15450048 15664632 16308384 17622711 18346932 20886176 23496948 24462576 24802334 31329264 32616768 35245422 36693864 37203501 41772352 46993896 48925152 49604668 62658528 70490844 73387728 74407002 93987792 97850304 99209336 111610503 125317056 140981688 146775456 148814004 187975584 198418672 223221006 281963376 293550912 297628008 334831509 375951168 396837344 446442012 563926752 595256016 669663018 793674688 892884024 1127853504 1190512032 1339326036 1785768048 2381024064 2678652072 3571536096 5357304144 7143072192 10714608288 21429216576
• Sum of all divisors σ(n): 67229532800
• Sum of proper divisors (its aliquot sum) s(n): 45800316224
• 21429216576 is an abundant number, because the sum of its proper divisors (45800316224) is greater than itself. Its abundance is 24371099648

Bases of 21429216576

• Binary: 10011111101010001111110010101000000₂
• Hexadecimal: 0x4FD47E540
• Base-36: 9UEEHC0

Squares and roots of 21429216576

• 21429216576 squared (21429216576²) is 459211323061113163776
• 21429216576 cubed (21429216576³) is 9840538896028097270200461950976
• The square root of 21429216576 is 146387.2145236735
• The cube root of 21429216576 is 2777.5939957761

Scales and comparisons

• 21,429,216,576 seconds is equal to 681 years, 19 weeks, 6 days, 8 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,429,216,576 would take you about one thousand, three hundred sixty-two 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 21429216576 cubic inches would be around 231.5 feet tall.

Recreational maths with 21429216576

• 21429216576 backwards is 67561292412
• The number of decimal digits it has is: 11
• The sum of 21429216576's digits is 45
• More coming soon!