81002828088

Names of 81002828088

• Cardinal: 81002828088 can be written as Eighty-one billion, two million, eight hundred twenty-eight thousand and eighty-eight.

Scientific notation

• Scientific notation: 8.1002828088 × 10¹⁰

Factors of 81002828088

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1066

Divisors of 81002828088

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 37 39 42 52 54 56 63 72 74 78 84 91 104 108 111 117 126 127 148 156 168 182 189 216 222 234 252 254 259 273 296 312 333 351 364 378 381 444 468 481 504 508 518 546 666 702 728 756 762 777 819 877 888 889 936 962 999 1016 1036 1092 1143 1332 1404 1443 1512 1524 1554 1638 1651 1754 1778 1924 1998 2072 2184 2286 2331 2457 2631 2664 2667 2808 2886 3048 3108 3276 3302 3367 3429 3508 3556 3848 3996 4329 4572 4662 4699 4914 4953 5262 5334 5772 6139 6216 6552 6604 6734 6858 6993 7016 7112 7893 7992 8001 8658 9144 9324 9398 9828 9906 10101 10524 10668 11401 11544 11557 12278 12987 13208 13468 13716 13986 14097 14859 15786 16002 17316 18417 18648 18796 19656 19812 20202 21048 21336 22802 23114 23679 24003 24556 25974 26936 27432 27972 28194 29718 30303 31572 32004 32449 32893 34203 34632 34671 36834 37592 39624 40404 42291 44577 45604 46228 47358 48006 49112 51948 55251 55944 56388 59436 60606 61087 63144 64008 64898 65786 68406 69342 73668 79807 80808 84582 89154 90909 91208 92456 94716 96012 97347 98679 102609 103896 104013 110502 111379 112776 118872 121212 122174 126873 129796 131572 136812 138684 147336 159614 165753 169164 178308 181818 183261 189432 192024 194694 197358 205218 208026 221004 222758 227143 239421 242424 244348 253746 259592 263144 273624 277368 292041 296037 307827 312039 319228 331506 334137 338328 356616 363636 366522 389388 394716 410436 416052 421837 427609 442008 445516 454286 478842 488696 507492 549783 584082 592074 615654 624078 638456 663012 668274 681429 718263 727272 733044 778776 779653 789432 820872 832104 843674 855218 876123 888111 891032 908572 957684 1002411 1014984 1099566 1168164 1184148 1231308 1248156 1265511 1282827 1326024 1336548 1362858 1436526 1447927 1466088 1559306 1649349 1687348 1710436 1752246 1776222 1817144 1915368 2004822 2044287 2154789 2199132 2336328 2338959 2368296 2462616 2496312 2531022 2565654 2673096 2725716 2873052 2895854 2952859 3007233 3118612 3298698 3374696 3420872 3504492 3552444 3796533 3848481 4009644 4088574 4121023 4309578 4343781 4398264 4677918 5062044 5131308 5451432 5746104 5791708 5905718 6014466 6132861 6237224 6597396 7008984 7016877 7104888 7593066 7696962 8019288 8177148 8242046 8619156 8687562 8858577 9355836 10124088 10135489 10262616 11389599 11545443 11583416 11811436 12028932 12265722 12363069 13031343 13194792 14033754 15186132 15393924 16354296 16484092 17238312 17375124 17717154 18711672 20270978 21050631 22779198 23090886 23622872 24057864 24531444 24726138 26062686 26575731 28067508 28847161 30372264 30406467 30787848 32968184 34750248 35434308 37089207 39094029 40541956 42101262 45558396 46181772 49062888 49452276 52125372 53151462 53573299 56135016 57694322 60812934 70868616 74178414 78188058 79727193 81083912 84202524 86541483 91116792 91219401 92363544 98904552 104250744 106302924 107146598 111267621 115388644 121625868 148356828 156376116 159454386 160719897 168405048 173082966 182438802 212605848 214293196 222535242 230777288 243251736 259624449 273658203 296713656 312752232 318908772 321439794 346165932 364877604 375013093 428586392 445070484 482159691 519248898 547316406 637817544 642879588 692331864 729755208 750026186 778873347 890140968 964319382 1038497796 1094632812 1125039279 1285759176 1446479073 1500052372 1557746694 1928638764 2076995592 2189265624 2250078558 2892958146 3000104744 3115493388 3375117837 3857277528 4500157116 5785916292 6230986776 6750235674 9000314232 10125353511 11571832584 13500471348 20250707022 27000942696 40501414044 81002828088
• Sum of all divisors σ(n): 286983782400
• Sum of proper divisors (its aliquot sum) s(n): 205980954312
• 81002828088 is an abundant number, because the sum of its proper divisors (205980954312) is greater than itself. Its abundance is 124978126224

Bases of 81002828088

• Binary: 1001011011100001001010001000100111000₂
• Hexadecimal: 0x12DC251138
• Base-36: 117MZQ60

Squares and roots of 81002828088

• 81002828088 squared (81002828088²) is 6561458158254081735744
• 81002828088 cubed (81002828088³) is 531496667199660481064771876777472
• The square root of 81002828088 is 284609.9578159555
• The cube root of 81002828088 is 4326.7990659991

Scales and comparisons

• 81,002,828,088 seconds is equal to 2,575 years, 33 weeks, 1 day, 17 hours, 34 minutes, 48 seconds.
• To count from 1 to 81,002,828,088 would take you about five thousand, one hundred fifty-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 81002828088 cubic inches would be around 360.6 feet tall.

Recreational maths with 81002828088

• 81002828088 backwards is 88082820018
• The number of decimal digits it has is: 11
• The sum of 81002828088's digits is 45
• More coming soon!