21121717344

Names of 21121717344

• Cardinal: 21121717344 can be written as Twenty-one billion, one hundred twenty-one million, seven hundred seventeen thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1121717344 × 10¹⁰

Factors of 21121717344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 188

Divisors of 21121717344

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 78 84 91 96 98 104 112 147 156 163 168 169 182 196 208 224 273 294 312 326 336 338 364 392 416 489 507 546 588 624 637 652 672 676 728 784 978 1014 1092 1141 1176 1183 1248 1274 1304 1352 1456 1568 1911 1956 2028 2119 2184 2282 2352 2366 2548 2608 2704 2912 3423 3549 3822 3912 4056 4238 4368 4564 4704 4732 5096 5216 5408 6357 6846 7098 7644 7824 7987 8112 8281 8476 8736 9128 9464 10192 12714 13692 14196 14833 15288 15648 15974 16224 16562 16952 18256 18928 20384 23961 24843 25428 26569 27384 27547 28392 29666 30576 31948 33124 33904 36512 37856 44499 47922 49686 50856 53138 54768 55094 56784 59332 61152 63896 66248 67808 79707 82641 88998 95844 99372 101712 103831 106276 109536 110188 113568 118664 127792 132496 159414 165282 177996 185983 191688 192829 198744 203424 207662 212552 220376 237328 255584 264992 311493 318828 330564 345397 355992 371966 383376 385658 397488 415324 425104 440752 474656 557949 578487 622986 637656 661128 690794 711984 743932 766752 771316 794976 830648 850208 881504 1036191 1115898 1156974 1245972 1275312 1301881 1322256 1349803 1381588 1423968 1487864 1542632 1661296 2072382 2231796 2313948 2417779 2491944 2550624 2603762 2644512 2699606 2763176 2975728 3085264 3322592 3905643 4049409 4144764 4463592 4490161 4627896 4835558 4983888 5207524 5399212 5526352 5951456 6170528 7253337 7811286 8098818 8289528 8927184 8980322 9255792 9671116 9967776 10415048 10798424 11052704 13470483 14506674 15622572 16197636 16579056 16924453 17854368 17960644 18511584 19342232 20830096 21596848 26940966 29013348 31245144 31431127 32395272 33158112 33848906 35921288 38684464 41660192 43193696 50773359 53881932 58026696 62490288 62862254 64790544 67697812 71842576 77368928 94293381 101546718 107763864 116053392 124980576 125724508 129581088 135395624 143685152 188586762 203093436 215527728 220017889 232106784 251449016 270791248 377173524 406186872 431055456 440035778 502898032 541582496 660053667 754347048 812373744 880071556 1005796064 1320107334 1508694096 1624747488 1760143112 2640214668 3017388192 3520286224 5280429336 7040572448 10560858672 21121717344
• Sum of all divisors σ(n): 70270684596
• Sum of proper divisors (its aliquot sum) s(n): 49148967252
• 21121717344 is an abundant number, because the sum of its proper divisors (49148967252) is greater than itself. Its abundance is 28027249908

Bases of 21121717344

• Binary: 10011101010111100111101010001100000₂
• Hexadecimal: 0x4EAF3D460
• Base-36: 9PBBPEO

Squares and roots of 21121717344

• 21121717344 squared (21121717344²) is 446126943559830414336
• 21121717344 cubed (21121717344³) is 9422967201413379164179397443584
• The square root of 21121717344 is 145333.1254188115
• The cube root of 21121717344 is 2764.2442115261

Scales and comparisons

• 21,121,717,344 seconds is equal to 671 years, 31 weeks, 3 days, 7 hours, 42 minutes, 24 seconds.
• To count from 1 to 21,121,717,344 would take you about one thousand, three hundred forty-three 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 21121717344 cubic inches would be around 230.4 feet tall.

Recreational maths with 21121717344

• 21121717344 backwards is 44371712112
• The number of decimal digits it has is: 11
• The sum of 21121717344's digits is 33
• More coming soon!