71990828217
71,990,828,217 is an odd composite number composed of seven prime numbers multiplied together.
71990828217 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 71990828217:
34 × 7 × 11 × 17 × 71 × 73 × 131
(3 × 3 × 3 × 3 × 7 × 11 × 17 × 71 × 73 × 131)See below for interesting mathematical facts about the number 71990828217 from the Numbermatics database.
Names of 71990828217
- Cardinal: 71990828217 can be written as Seventy-one billion, nine hundred ninety million, eight hundred twenty-eight thousand, two hundred seventeen.
Scientific notation
- Scientific notation: 7.1990828217 × 1010
Factors of 71990828217
Divisors of 71990828217
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 7 9 11 17 21 27 33 51 63 71 73 77 81 99 119 131 153 187 189 213 219 231 297 357 393 459 497 511 561 567 639 657 693 781 803 891 917 1071 1179 1207 1241 1309 1377 1441 1491 1533 1683 1917 1971 2079 2227 2343 2409 2751 3213 3537 3621 3723 3927 4323 4473 4599 5049 5183 5467 5621 5751 5913 6237 6681 7029 7227 8253 8449 8687 9301 9563 9639 10087 10611 10863 11169 11781 12969 13277 13419 13651 13797 15147 15549 15589 16401 16863 20043 21087 21681 24497 24759 25347 26061 27903 28689 30261 32589 33507 35343 36281 38907 39831 40257 40953 41391 46647 46767 49203 50589 57013 60129 63261 65043 65107 66941 73491 74277 76041 78183 83709 86067 88111 90783 92939 95557 97767 100521 102311 105193 106029 108843 116721 119493 122859 139941 140301 147609 151767 158117 162571 171039 171479 180387 195321 200823 220473 228123 234549 251127 258201 264333 272349 278817 286671 306933 315579 326529 358479 368577 399091 419823 420903 442827 455301 474351 487713 513117 514437 585963 602469 616777 661419 678973 684369 703647 716177 736351 753381 774603 792999 817047 836451 860013 920799 946737 969221 979587 1075437 1105731 1106819 1137997 1197273 1262709 1423053 1463139 1539351 1543311 1739287 1757889 1788281 1807407 1850331 1984257 2036919 2148531 2209053 2378997 2509353 2580039 2762397 2840211 2907663 2938761 3320457 3413991 3591819 4269159 4389417 4618053 4629933 4752811 5217861 5273667 5364843 5422221 5550993 6110757 6445593 6627159 6784547 7136991 7468703 7528059 7740117 8287191 8520633 8722989 9961371 10241973 10775457 11542541 12175009 12517967 12807477 13168251 13889799 14258433 15653583 16094529 16652979 18332271 19336779 19881477 20353641 22406109 26168967 29884113 30725919 32326371 34627623 36525027 37553901 42775299 46960749 48283587 49958937 52280921 54996813 58010337 59644431 61060923 67218327 78506901 80797787 89652339 92177757 103882869 109575081 112661703 126967951 128325897 140882247 144850761 156842763 183182769 201654981 242393361 311648607 328725243 337985109 380903853 384977691 470528289 549548307 604964943 727180083 888775657 934945821 986175729 1013955327 1142711559 1411584867 2181540249 2666326971 3428134677 4234754601 6544620747 7998980913 10284404031 23996942739 71990828217
- Sum of all divisors σ(n): 147050754048
- Sum of proper divisors (its aliquot sum) s(n): 75059925831
- 71990828217 is an abundant number, because the sum of its proper divisors (75059925831) is greater than itself. Its abundance is 3069097614
Bases of 71990828217
- Binary: 10000110000101111110011011100101110012
- Hexadecimal: 0x10C2FCDCB9
- Base-36: X2LHAK9
Squares and roots of 71990828217
- 71990828217 squared (719908282172) is 5182679347369603399089
- 71990828217 cubed (719908282173) is 373105378600278789111235493294313
-
The
square root of 71990828217 is 268311.0661471121 -
The
cube root of 71990828217 is 4159.9909897371
Scales and comparisons
How big is 71990828217?- 71,990,828,217 seconds is equal to 2,289 years, 4 weeks, 3 days, 4 hours, 16 minutes, 57 seconds.
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To count from 1 to 71,990,828,217 would take you about four thousand, five hundred seventy-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 71990828217 cubic inches would be around 346.7 feet tall.
Recreational maths with 71990828217
- 71990828217 backwards is 71282809917
- The number of decimal digits it has is: 11
- The sum of 71990828217's digits is 54
- More coming soon!
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