21997428024

Names of 21997428024

• Cardinal: 21997428024 can be written as Twenty-one billion, nine hundred ninety-seven million, four hundred twenty-eight thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1997428024 × 10¹⁰

Factors of 21997428024

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 108

Divisors of 21997428024

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 79 88 104 132 143 156 158 169 237 264 286 312 316 338 429 474 507 572 632 676 858 869 948 1014 1027 1144 1352 1716 1738 1859 1896 2028 2054 2607 3081 3432 3476 3718 4056 4108 5214 5577 6162 6241 6952 7436 8216 10428 11154 11297 12324 12482 13351 14872 18723 20856 22308 22594 24648 24964 26702 33891 37446 40053 44616 45188 49928 53404 67782 68651 74892 80106 81133 90376 106808 135564 137302 146861 149784 160212 162266 205953 243399 271128 274604 293722 320424 324532 411906 440583 486798 493039 549208 587444 649064 823812 881166 892463 973596 986078 1054729 1174888 1479117 1647624 1762332 1784926 1947192 1972156 2109458 2677389 2958234 3164187 3524664 3569852 3944312 4218916 5354778 5423429 5916468 6328374 6409507 7139704 8437832 10709556 10846858 11602019 11832936 12656748 12819014 16270287 19228521 21419112 21693716 23204038 25313496 25638028 32540574 34806057 38457042 43387432 46408076 51276056 65081148 69612114 70504577 76914084 83323591 92816152 130162296 139224228 141009154 153828168 166647182 211513731 249970773 278448456 282018308 333294364 423027462 499941546 564036616 666588728 846054924 916559501 999883092 1692109848 1833119002 1999766184 2749678503 3666238004 5499357006 7332476008 10998714012 21997428024
• Sum of all divisors σ(n): 65795673600
• Sum of proper divisors (its aliquot sum) s(n): 43798245576
• 21997428024 is an abundant number, because the sum of its proper divisors (43798245576) is greater than itself. Its abundance is 21800817552

Bases of 21997428024

• Binary: 10100011111001001100001110100111000₂
• Hexadecimal: 0x51F261D38
• Base-36: A3SP83C

Squares and roots of 21997428024

• 21997428024 squared (21997428024²) is 483886839671060544576
• 21997428024 cubed (21997428024³) is 10644265927424982165056803597824
• The square root of 21997428024 is 148315.2993591693
• The cube root of 21997428024 is 2801.9301327953

Scales and comparisons

• 21,997,428,024 seconds is equal to 699 years, 23 weeks, 2 days, 20 hours, 40 minutes, 24 seconds.
• To count from 1 to 21,997,428,024 would take you about one thousand, three hundred ninety-eight 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 21997428024 cubic inches would be around 233.5 feet tall.

Recreational maths with 21997428024

• 21997428024 backwards is 42082479912
• The number of decimal digits it has is: 11
• The sum of 21997428024's digits is 48
• More coming soon!