21089028688
21,089,028,688 is an even composite number composed of six prime numbers multiplied together.
21089028688 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21089028688:
24 × 7 × 132 × 31 × 127 × 283
(2 × 2 × 2 × 2 × 7 × 13 × 13 × 31 × 127 × 283)See below for interesting mathematical facts about the number 21089028688 from the Numbermatics database.
Names of 21089028688
- Cardinal: 21089028688 can be written as Twenty-one billion, eighty-nine million, twenty-eight thousand, six hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1089028688 × 1010
Factors of 21089028688
Divisors of 21089028688
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 31 52 56 62 91 104 112 124 127 169 182 208 217 248 254 283 338 364 403 434 496 508 566 676 728 806 868 889 1016 1132 1183 1352 1456 1612 1651 1736 1778 1981 2032 2264 2366 2704 2821 3224 3302 3472 3556 3679 3937 3962 4528 4732 5239 5642 6448 6604 7112 7358 7874 7924 8773 9464 10478 11284 11557 13208 14224 14716 15748 15848 17546 18928 20956 21463 22568 23114 25753 26416 27559 29432 31496 31696 35092 35941 36673 41912 42926 45136 46228 47827 51181 51506 55118 58864 61411 62992 70184 71882 73346 83824 85852 92456 95654 102362 103012 110236 114049 122822 140368 143764 146692 150241 171704 184912 191308 204724 206024 220472 228098 245644 251587 287528 293384 300482 334789 343408 358267 382616 409448 412048 440944 456196 467233 491288 503174 575056 586768 600964 665353 669578 716534 765232 798343 818896 912392 934466 982576 1006348 1114171 1201928 1330706 1339156 1433068 1482637 1596686 1824784 1868932 2012696 2228342 2403856 2661412 2678312 2866136 2965274 3193372 3270631 3737864 4025392 4456684 4657471 5322824 5356624 5732272 5930548 6074029 6386744 6541262 7475728 7799197 8913368 9314942 10378459 10645648 11861096 12148058 12773488 13082524 14484223 15598394 17826736 18629884 20756918 23722192 24296116 26165048 28968446 31196788 37259768 41513836 42518203 48592232 52330096 57936892 62393576 74519536 83027672 85036406 97184464 101389561 115873784 124787152 166055344 170072812 188294899 202779122 231747568 340145624 376589798 405558244 680291248 753179596 811116488 1318064293 1506359192 1622232976 2636128586 3012718384 5272257172 10544514344 21089028688
- Sum of all divisors σ(n): 52793573376
- Sum of proper divisors (its aliquot sum) s(n): 31704544688
- 21089028688 is an abundant number, because the sum of its proper divisors (31704544688) is greater than itself. Its abundance is 10615516000
Bases of 21089028688
- Binary: 100111010010000000100001010010100002
- Hexadecimal: 0x4E9010A50
- Base-36: 9ORV2OG
Squares and roots of 21089028688
- 21089028688 squared (210890286882) is 444747131003287001344
- 21089028688 cubed (210890286883) is 9379285004634013793641110556672
-
The
square root of 21089028688 is 145220.6207396181 -
The
cube root of 21089028688 is 2762.8174638621
Scales and comparisons
How big is 21089028688?- 21,089,028,688 seconds is equal to 670 years, 29 weeks, 2 days, 23 hours, 31 minutes, 28 seconds.
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To count from 1 to 21,089,028,688 would take you about one thousand, three hundred forty-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 21089028688 cubic inches would be around 230.2 feet tall.
Recreational maths with 21089028688
- 21089028688 backwards is 88682098012
- 21089028688 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21089028688's digits is 52
- More coming soon!
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