21522743928

Names of 21522743928

• Cardinal: 21522743928 can be written as Twenty-one billion, five hundred twenty-two million, seven hundred forty-three thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1522743928 × 10¹⁰

Factors of 21522743928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 230

Divisors of 21522743928

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 67 72 81 84 98 108 126 134 147 151 162 168 189 196 201 216 252 268 294 302 324 378 392 402 441 453 469 504 536 567 588 603 604 648 756 804 882 906 938 1057 1134 1176 1206 1208 1323 1359 1407 1512 1608 1764 1809 1812 1876 2114 2268 2412 2646 2718 2814 3171 3283 3528 3618 3624 3752 3969 4077 4221 4228 4489 4536 4824 5292 5427 5436 5628 6342 6566 7236 7399 7938 8154 8442 8456 8978 9513 9849 10117 10584 10854 10872 11256 12231 12663 12684 13132 13467 14472 14798 15876 16308 16884 17956 19026 19698 20234 21708 22197 24462 25326 25368 26264 26934 28539 29547 29596 30351 31423 31752 32616 33768 35912 37989 38052 39396 40401 40468 43416 44394 48924 50652 53868 57078 59094 59192 60702 62846 66591 70819 75978 76104 78792 80802 80936 85617 88641 88788 91053 94269 97848 101304 107736 114156 118188 121203 121404 125692 133182 141638 151956 161604 171234 177282 177576 182106 188538 199773 212457 219961 228312 236376 242406 242808 251384 265923 266364 273159 282807 283276 303912 323208 342468 354564 363609 364212 377076 399546 424914 439922 484812 495733 531846 532728 546318 565614 566552 599319 637371 659883 677839 684936 709128 727218 728424 754152 799092 819477 848421 849828 879844 969624 991466 1063692 1092636 1131228 1198638 1274742 1319766 1355678 1454436 1487199 1598184 1638954 1696842 1699656 1759688 1912113 1979649 1982932 2033517 2127384 2185272 2262456 2397276 2545263 2549484 2639532 2711356 2908872 2974398 3277908 3393684 3824226 3959298 3965864 4067034 4461597 4744873 4794552 5090526 5098968 5279064 5422712 5736339 5938947 5948796 6100551 6555816 6787368 7648452 7918596 8134068 8923194 9489746 10181052 11472678 11877894 11897592 12201102 13384791 14234619 15296904 15837192 16268136 17816841 17846388 18301653 18979492 20362104 22945356 23755788 24402204 26769582 28469238 33214111 35633682 35692776 36603306 37958984 40154373 42703857 45890712 47511576 48804408 53539164 54904959 56938476 66428222 71267364 73206612 80308746 85407714 99642333 107078328 109809918 113876952 128111571 132856444 142534728 146413224 160617492 170815428 199284666 219619836 256223142 265712888 298926999 321234984 341630856 384334713 398569332 439239672 512446284 597853998 768669426 797138664 896780997 1024892568 1195707996 1537338852 1793561994 2391415992 2690342991 3074677704 3587123988 5380685982 7174247976 10761371964 21522743928
• Sum of all divisors σ(n): 71659554120
• Sum of proper divisors (its aliquot sum) s(n): 50136810192
• 21522743928 is an abundant number, because the sum of its proper divisors (50136810192) is greater than itself. Its abundance is 28614066264

Bases of 21522743928

• Binary: 10100000010110110110000001001111000₂
• Hexadecimal: 0x502DB0278
• Base-36: 9VY33I0

Squares and roots of 21522743928

• 21522743928 squared (21522743928²) is 463228506190260869184
• 21522743928 cubed (21522743928³) is 9969948518882947534965938314752
• The square root of 21522743928 is 146706.3186369285
• The cube root of 21522743928 is 2781.6290474533

Scales and comparisons

• 21,522,743,928 seconds is equal to 684 years, 18 weeks, 3 days, 19 hours, 58 minutes, 48 seconds.
• To count from 1 to 21,522,743,928 would take you about one thousand, three hundred sixty-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 21522743928 cubic inches would be around 231.8 feet tall.

Recreational maths with 21522743928

• 21522743928 backwards is 82934722512
• The number of decimal digits it has is: 11
• The sum of 21522743928's digits is 45
• More coming soon!