28027888640

Names of 28027888640

• Cardinal: 28027888640 can be written as Twenty-eight billion, twenty-seven million, eight hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.802788864 × 10¹⁰

Factors of 28027888640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 211

Divisors of 28027888640

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 41 59 62 64 73 80 82 118 124 128 146 155 160 164 205 236 248 256 292 295 310 320 328 365 410 472 496 512 584 590 620 640 656 730 820 944 992 1024 1168 1180 1240 1271 1280 1312 1460 1640 1829 1888 1984 2263 2336 2360 2419 2480 2542 2560 2624 2920 2993 3280 3658 3776 3968 4307 4526 4672 4720 4838 4960 5084 5120 5248 5840 5986 6355 6560 7316 7552 7936 8614 9052 9145 9344 9440 9676 9920 10168 10496 11315 11680 11972 12095 12710 13120 14632 14965 15104 15872 17228 18104 18290 18688 18880 19352 19840 20336 20992 21535 22630 23360 23944 24190 25420 26240 29264 29930 30208 31744 34456 36208 36580 37376 37760 38704 39680 40672 41984 43070 45260 46720 47888 48380 50840 52480 58528 59860 60416 68912 72416 73160 74752 74989 75520 77408 79360 81344 86140 90520 92783 93440 95776 96760 101680 104960 117056 119720 133517 137824 144832 146320 149978 151040 154816 158720 162688 172280 176587 181040 185566 186880 191552 193520 203360 209920 234112 239440 267034 275648 289664 292640 299956 302080 309632 325376 344560 353174 362080 371132 373760 374945 383104 387040 406720 463915 468224 478880 534068 551296 579328 585280 599912 619264 650752 667585 689120 706348 724160 742264 749890 766208 774080 813440 882935 927830 936448 957760 1068136 1102592 1158656 1170560 1199824 1238528 1301504 1335170 1378240 1412696 1448320 1484528 1499780 1532416 1548160 1626880 1765870 1855660 1872896 1915520 2136272 2205184 2317312 2341120 2399648 2477056 2670340 2756480 2825392 2896640 2969056 2999560 3064832 3096320 3253760 3531740 3711320 3831040 4272544 4410368 4682240 4799296 5340680 5474197 5512960 5650784 5793280 5938112 5999120 6192640 6507520 7063480 7422640 7662080 8545088 9364480 9598592 10681360 10948394 11025920 11301568 11586560 11876224 11998240 12385280 14126960 14845280 15324160 17090176 19197184 21362720 21896788 22051840 22603136 23752448 23996480 27370985 28253920 29690560 34180352 38394368 42725440 43793576 45206272 47504896 47992960 54741970 56507840 59381120 68360704 76788736 85450880 87587152 90412544 95009792 95985920 109483940 113015680 118762240 136721408 170901760 175174304 180825088 191971840 218967880 226031360 237524480 341803520 350348608 383943680 437935760 452062720 475048960 683607040 700697216 875871520 904125440 1401394432 1751743040 2802788864 3503486080 5605577728 7006972160 14013944320 28027888640
• Sum of all divisors σ(n): 73291115520
• Sum of proper divisors (its aliquot sum) s(n): 45263226880
• 28027888640 is an abundant number, because the sum of its proper divisors (45263226880) is greater than itself. Its abundance is 17235338240

Bases of 28027888640

• Binary: 11010000110100101111010010000000000₂
• Hexadecimal: 0x68697A400
• Base-36: CVJ2XA8

Squares and roots of 28027888640

• 28027888640 squared (28027888640²) is 785562541616241049600
• 28027888640 cubed (28027888640³) is 22017659436175369753585516544000
• The square root of 28027888640 is 167415.3178176953
• The cube root of 28027888640 is 3037.5968080149

Scales and comparisons

• 28,027,888,640 seconds is equal to 891 years, 10 weeks, 2 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 28,027,888,640 would take you about one thousand, seven hundred eighty-two 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 28027888640 cubic inches would be around 253.1 feet tall.

Recreational maths with 28027888640

• 28027888640 backwards is 04688872082
• The number of decimal digits it has is: 11
• The sum of 28027888640's digits is 53
• More coming soon!