21401007680

Names of 21401007680

• Cardinal: 21401007680 can be written as Twenty-one billion, four hundred one million, seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.140100768 × 10¹⁰

Factors of 21401007680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 562

Divisors of 21401007680

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 109 130 160 208 218 260 320 416 433 436 520 545 832 866 872 1040 1090 1417 1732 1744 2080 2165 2180 2834 3464 3488 4160 4330 4360 5629 5668 6928 6976 7085 8660 8720 11258 11336 11881 13856 14170 17320 17440 22516 22672 23762 27712 28145 28340 34640 34880 45032 45344 47197 47524 56290 56680 59405 69280 90064 90688 94394 95048 112580 113360 118810 138560 154453 180128 188788 190096 225160 226720 235985 237620 308906 360256 377576 380192 450320 453440 471970 475240 613561 617812 755152 760384 772265 900640 943940 950480 1227122 1235624 1510304 1544530 1801280 1887880 1900960 2454244 2471248 3020608 3067805 3089060 3775760 3801920 4908488 4942496 5144473 6135610 6178120 7551520 9816976 9884992 10288946 12271220 12356240 15103040 19633952 20577892 24542440 24712480 25722365 39267904 41155784 49084880 49424960 51444730 66878149 82311568 98169760 102889460 133756298 164623136 196339520 205778920 267512596 329246272 334390745 411557840 535025192 668781490 823115680 1070050384 1337562980 1646231360 2140100768 2675125960 4280201536 5350251920 10700503840 21401007680
• Sum of all divisors σ(n): 55517274792
• Sum of proper divisors (its aliquot sum) s(n): 34116267112
• 21401007680 is an abundant number, because the sum of its proper divisors (34116267112) is greater than itself. Its abundance is 12715259432

Bases of 21401007680

• Binary: 10011111011100110010111011001000000₂
• Hexadecimal: 0x4FB997640
• Base-36: 9TXLV7K

Squares and roots of 21401007680

• 21401007680 squared (21401007680²) is 458003129719418982400
• 21401007680 cubed (21401007680³) is 9801728496589321887480184832000
• The square root of 21401007680 is 146290.8325220689
• The cube root of 21401007680 is 2776.3746750161

Scales and comparisons

• 21,401,007,680 seconds is equal to 680 years, 25 weeks, 1 day, 20 hours, 21 minutes, 20 seconds.
• To count from 1 to 21,401,007,680 would take you about one thousand, three hundred sixty 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 21401007680 cubic inches would be around 231.4 feet tall.

Recreational maths with 21401007680

• 21401007680 backwards is 08670010412
• The number of decimal digits it has is: 11
• The sum of 21401007680's digits is 29
• More coming soon!