82168905728
82,168,905,728 is an even composite number composed of four prime numbers multiplied together.
82168905728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 82168905728:
217 × 7 × 13 × 832
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 83 × 83)See below for interesting mathematical facts about the number 82168905728 from the Numbermatics database.
Names of 82168905728
- Cardinal: 82168905728 can be written as Eighty-two billion, one hundred sixty-eight million, nine hundred five thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 8.2168905728 × 1010
Factors of 82168905728
Divisors of 82168905728
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 52 56 64 83 91 104 112 128 166 182 208 224 256 332 364 416 448 512 581 664 728 832 896 1024 1079 1162 1328 1456 1664 1792 2048 2158 2324 2656 2912 3328 3584 4096 4316 4648 5312 5824 6656 6889 7168 7553 8192 8632 9296 10624 11648 13312 13778 14336 15106 16384 17264 18592 21248 23296 26624 27556 28672 30212 32768 34528 37184 42496 46592 48223 53248 55112 57344 60424 65536 69056 74368 84992 89557 93184 96446 106496 110224 114688 120848 131072 138112 148736 169984 179114 186368 192892 212992 220448 229376 241696 276224 297472 339968 358228 372736 385784 425984 440896 458752 483392 552448 594944 626899 679936 716456 745472 771568 851968 881792 917504 966784 1104896 1189888 1253798 1359872 1432912 1490944 1543136 1703936 1763584 1933568 2209792 2379776 2507596 2719744 2865824 2981888 3086272 3527168 3867136 4419584 4759552 5015192 5439488 5731648 5963776 6172544 7054336 7734272 8839168 9519104 10030384 10878976 11463296 11927552 12345088 14108672 15468544 17678336 19038208 20060768 22926592 24690176 28217344 30937088 35356672 38076416 40121536 45853184 49380352 56434688 61874176 70713344 76152832 80243072 91706368 98760704 112869376 123748352 141426688 160486144 183412736 197521408 225738752 247496704 320972288 366825472 395042816 451477504 494993408 641944576 733650944 790085632 902955008 989986816 1283889152 1467301888 1580171264 2567778304 2934603776 3160342528 5135556608 5869207552 6320685056 10271113216 11738415104 20542226432 41084452864 82168905728
- Sum of all divisors σ(n): 204727391568
- Sum of proper divisors (its aliquot sum) s(n): 122558485840
- 82168905728 is an abundant number, because the sum of its proper divisors (122558485840) is greater than itself. Its abundance is 40389580112
Bases of 82168905728
- Binary: 10011001000011010011000000000000000002
- Hexadecimal: 0x1321A60000
- Base-36: 11QX8TFK
Squares and roots of 82168905728
- 82168905728 squared (821689057282) is 6751729068536951209984
- 82168905728 cubed (821689057283) is 554782189333609994857710828388352
-
The
square root of 82168905728 is 286651.1917435545 -
The
cube root of 82168905728 is 4347.4623985537
Scales and comparisons
How big is 82168905728?- 82,168,905,728 seconds is equal to 2,612 years, 37 weeks, 2 days, 2 minutes, 8 seconds.
-
To count from 1 to 82,168,905,728 would take you about five thousand, two hundred twenty-five 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 82168905728 cubic inches would be around 362.3 feet tall.
Recreational maths with 82168905728
- 82168905728 backwards is 82750986128
- 82168905728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 82168905728's digits is 56
- More coming soon!
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