28678128128
28,678,128,128 is an even composite number composed of six prime numbers multiplied together.
28678128128 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 28678128128:
29 × 13 × 23 × 37 × 61 × 83
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 23 × 37 × 61 × 83)See below for interesting mathematical facts about the number 28678128128 from the Numbermatics database.
Names of 28678128128
- Cardinal: 28678128128 can be written as Twenty-eight billion, six hundred seventy-eight million, one hundred twenty-eight thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8678128128 × 1010
Factors of 28678128128
Divisors of 28678128128
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 8 13 16 23 26 32 37 46 52 61 64 74 83 92 104 122 128 148 166 184 208 244 256 296 299 332 368 416 481 488 512 592 598 664 736 793 832 851 962 976 1079 1184 1196 1328 1403 1472 1586 1664 1702 1909 1924 1952 2158 2257 2368 2392 2656 2806 2944 3071 3172 3328 3404 3818 3848 3904 4316 4514 4736 4784 5063 5312 5612 5888 6142 6344 6656 6808 7636 7696 7808 8632 9028 9472 9568 10126 10624 11063 11224 11776 12284 12688 13616 15272 15392 15616 17264 18056 18239 18944 19136 20252 21248 22126 22448 24568 24817 25376 27232 29341 30544 30784 31232 34528 36112 36478 38272 39923 40504 42496 44252 44896 49136 49634 50752 51911 54464 58682 61088 61568 65819 69056 70633 72224 72956 76544 79846 81008 88504 89792 98272 99268 101504 103822 108928 116449 117364 122176 123136 131638 138112 141266 144448 145912 153088 159692 162016 177008 179584 187331 196544 198536 203008 207644 217856 232898 234728 244352 246272 263276 276224 282532 288896 291824 319384 324032 354016 359168 374662 393088 397072 406016 415288 435712 465796 469456 488704 526552 552448 565064 577792 583648 638768 648064 674843 708032 718336 749324 786176 794144 830576 918229 931592 938912 977408 1053104 1130128 1155584 1167296 1277536 1296128 1349686 1416064 1498648 1513837 1572352 1588288 1661152 1836458 1863184 1877824 2106208 2260256 2334592 2435303 2555072 2592256 2699372 2832128 2997296 3027674 3176576 3322304 3672916 3726368 3755648 4212416 4308613 4520512 4669184 4870606 5110144 5398744 5664256 5994592 6055348 6353152 6644608 7345832 7452736 7511296 8424832 8617226 9041024 9338368 9741212 10220288 10797488 11989184 12110696 12706304 13289216 14691664 14905472 15022592 16849664 17234452 18082048 19482424 20440576 21594976 23978368 24221392 26578432 29383328 29810944 33699328 34468904 36164096 38964848 43189952 47956736 48442784 56011969 58766656 59621888 68937808 77929696 86379904 95913472 96885568 112023938 117533312 137875616 155859392 172759808 193771136 224047876 235066624 275751232 311718784 345519616 387542272 448095752 470133248 551502464 623437568 775084544 896191504 1103004928 1246875136 1792383008 2206009856 3584766016 7169532032 14339064064 28678128128
- Sum of all divisors σ(n): 68025146112
- Sum of proper divisors (its aliquot sum) s(n): 39347017984
- 28678128128 is an abundant number, because the sum of its proper divisors (39347017984) is greater than itself. Its abundance is 10668889856
Bases of 28678128128
- Binary: 110101011010101100110000010000000002
- Hexadecimal: 0x6AD598200
- Base-36: D6A7TA8
Squares and roots of 28678128128
- 28678128128 squared (286781281282) is 822435032925984784384
- 28678128128 cubed (286781281283) is 23585897251207290387142805553152
-
The
square root of 28678128128 is 169346.1783684533 -
The
cube root of 28678128128 is 3060.9079328389
Scales and comparisons
How big is 28678128128?- 28,678,128,128 seconds is equal to 911 years, 45 weeks, 3 days, 18 hours, 42 minutes, 8 seconds.
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To count from 1 to 28,678,128,128 would take you about one thousand, eight hundred twenty-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 28678128128 cubic inches would be around 255.1 feet tall.
Recreational maths with 28678128128
- 28678128128 backwards is 82182187682
- The number of decimal digits it has is: 11
- The sum of 28678128128's digits is 53
- More coming soon!
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