21409217024

Names of 21409217024

• Cardinal: 21409217024 can be written as Twenty-one billion, four hundred nine million, two hundred seventeen thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1409217024 × 10¹⁰

Factors of 21409217024

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 235

Divisors of 21409217024

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 8 13 16 19 26 31 32 38 43 52 62 64 76 86 104 124 127 128 152 172 208 247 248 254 256 304 344 403 416 494 496 508 512 559 589 608 688 806 817 832 988 992 1016 1118 1178 1216 1333 1376 1612 1634 1651 1664 1976 1984 2032 2236 2356 2413 2432 2666 2752 3224 3268 3302 3328 3937 3952 3968 4064 4472 4712 4826 4864 5332 5461 5504 6448 6536 6604 6656 7657 7874 7904 7936 8128 8944 9424 9652 9728 10621 10664 10922 11008 12896 13072 13208 15314 15748 15808 15872 16256 17329 17888 18848 19304 21242 21328 21844 22016 25327 25792 26144 26416 30628 31369 31496 31616 32512 34658 35776 37696 38608 42484 42656 43688 50654 51181 51584 52288 52832 61256 62738 62992 63232 65024 69316 70993 71552 74803 75392 77216 84968 85312 87376 101308 102362 103168 103759 104576 105664 122512 125476 125984 126464 138632 141986 143104 149606 150784 154432 169291 169936 170624 174752 202616 204724 206336 207518 209152 211328 245024 250952 251968 277264 283972 286208 299212 301568 308864 329251 338582 339872 341248 349504 405232 409448 415036 418304 422656 490048 501904 503936 554528 567944 598424 617728 658502 677164 679744 682496 699008 810464 818896 830072 845312 972439 980096 1003808 1007872 1109056 1135888 1196848 1235456 1317004 1348867 1354328 1359488 1398016 1620928 1637792 1660144 1944878 1960192 2007616 2015744 2200783 2218112 2271776 2393696 2634008 2697734 2708656 2718976 2796032 3216529 3241856 3275584 3320288 3889756 3920384 4015232 4401566 4436224 4543552 4787392 5268016 5395468 5417312 5437952 6433058 6483712 6551168 6640576 7779512 8030464 8803132 8872448 9087104 9574784 10536032 10790936 10834624 12866116 12967424 13102336 13281152 15559024 16060928 17606264 18174208 19149568 21072064 21581872 21669248 25732232 26204672 26562304 31118048 35212528 36348416 38299136 41814877 42144128 43163744 43338496 51464464 53124608 62236096 70425056 83629754 84288256 86327488 86676992 102928928 124472192 140850112 167259508 168576512 172654976 205857856 248944384 281700224 334519016 345309952 411715712 497888768 563400448 669038032 690619904 823431424 1126800896 1338076064 1646862848 2676152128 5352304256 10704608512 21409217024
• Sum of all divisors σ(n): 51623362560
• Sum of proper divisors (its aliquot sum) s(n): 30214145536
• 21409217024 is an abundant number, because the sum of its proper divisors (30214145536) is greater than itself. Its abundance is 8804928512

Bases of 21409217024

• Binary: 10011111100000101101011101000000000₂
• Hexadecimal: 0x4FC16BA00
• Base-36: 9U2HTKW

Squares and roots of 21409217024

• 21409217024 squared (21409217024²) is 458354573580731416576
• 21409217024 cubed (21409217024³) is 9813012539732855682130534989824
• The square root of 21409217024 is 146318.8881313687
• The cube root of 21409217024 is 2776.7296318389

Scales and comparisons

• 21,409,217,024 seconds is equal to 680 years, 38 weeks, 5 days, 20 hours, 43 minutes, 44 seconds.
• To count from 1 to 21,409,217,024 would take you about one thousand, three hundred sixty-one 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 21409217024 cubic inches would be around 231.4 feet tall.

Recreational maths with 21409217024

• 21409217024 backwards is 42071290412
• 21409217024 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21409217024's digits is 32
• More coming soon!