68842165720

Names of 68842165720

• Cardinal: 68842165720 can be written as Sixty-eight billion, eight hundred forty-two million, one hundred sixty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.884216572 × 10¹⁰

Factors of 68842165720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 292

Divisors of 68842165720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 17 19 20 23 34 38 40 46 68 76 85 89 92 95 115 136 137 152 170 178 184 190 230 274 323 340 356 361 380 391 437 445 460 548 646 680 685 712 722 760 782 874 890 920 1096 1292 1370 1444 1513 1564 1615 1691 1748 1780 1805 1955 2047 2185 2329 2584 2603 2740 2888 3026 3128 3151 3230 3382 3496 3560 3610 3910 4094 4370 4658 5206 5480 6052 6137 6302 6460 6764 7220 7429 7565 7820 8188 8303 8455 8740 9316 10235 10412 11645 12104 12193 12274 12604 12920 13015 13528 14440 14858 15130 15640 15755 16376 16606 16910 17480 18632 20470 20824 23290 24386 24548 25208 26030 28747 29716 30260 30685 31510 32129 33212 33820 34799 37145 38893 40940 41515 44251 46580 48772 49096 49457 52060 53567 57494 59432 59869 60520 60965 61370 63020 64258 66424 67640 69598 74290 77786 81880 83030 88502 93160 97544 98914 104120 107134 114988 119738 121930 122740 126040 128516 139196 141151 143735 148580 155572 160645 166060 173995 177004 194465 197828 207281 214268 221255 229976 231667 239476 243860 245480 247285 257032 267835 278392 280439 282302 287470 297160 299345 311144 321290 332120 347990 354008 388930 395656 414562 428536 442510 463334 478952 487720 494570 535670 546193 560878 564604 574940 598690 642580 661181 695980 705755 738967 777860 829124 840769 885020 926668 989140 1017773 1036405 1071340 1092386 1121756 1129208 1137511 1149880 1158335 1197380 1285160 1322362 1391960 1402195 1411510 1477934 1555720 1658248 1681538 1770040 1853336 1978280 2035546 2072810 2142680 2184772 2243512 2275022 2316670 2394760 2644724 2730965 2804390 2823020 2955868 3305905 3363076 3694835 3938339 4071092 4145620 4203845 4369544 4401673 4550044 4633340 4767463 5088865 5289448 5328341 5461930 5608780 5646040 5687555 5911736 6611810 6726152 7389670 7876678 8142184 8291240 8407690 8803346 9100088 9266680 9534926 10177730 10656682 10923860 11217560 11375110 12562439 13223620 14779340 15753356 16815380 17606692 19069852 19337687 19691695 20355460 21313364 21847720 22008365 22750220 23837315 25124878 26447240 26641705 29558680 31506712 33630760 35213384 38139704 38675374 39383390 40710920 42626728 44016730 45500440 47674630 50249756 53283410 62812195 74828441 77350748 78766780 88033460 90581797 95349260 96688435 100499512 101238479 106566820 125624390 149656882 154701496 157533560 176066920 181163594 190698520 193376870 202476958 213133640 251248780 299313764 362327188 374142205 386753740 404953916 452908985 502497560 506192395 598627528 724654376 748284410 773507480 809907832 905817970 1012384790 1496568820 1721054143 1811635940 2024769580 2993137640 3442108286 3623271880 4049539160 6884216572 8605270715 13768433144 17210541430 34421082860 68842165720
• Sum of all divisors σ(n): 183980937600
• Sum of proper divisors (its aliquot sum) s(n): 115138771880
• 68842165720 is an abundant number, because the sum of its proper divisors (115138771880) is greater than itself. Its abundance is 46296606160

Bases of 68842165720

• Binary: 1000000000111010100000001010111011000₂
• Hexadecimal: 0x10075015D8
• Base-36: VMIUJ14

Squares and roots of 68842165720

• 68842165720 squared (68842165720²) is 4739243781019943118400
• 68842165720 cubed (68842165720³) is 326259805760454314781866381248000
• The square root of 68842165720 is 262377.9063107259
• The cube root of 68842165720 is 4098.4361618693

Scales and comparisons

• 68,842,165,720 seconds is equal to 2,188 years, 50 weeks, 2 days, 7 hours, 48 minutes, 40 seconds.
• To count from 1 to 68,842,165,720 would take you about four thousand, three hundred seventy-seven 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 68842165720 cubic inches would be around 341.5 feet tall.

Recreational maths with 68842165720

• 68842165720 backwards is 02756124886
• The number of decimal digits it has is: 11
• The sum of 68842165720's digits is 49
• More coming soon!