71131991840

Names of 71131991840

• Cardinal: 71131991840 can be written as Seventy-one billion, one hundred thirty-one million, nine hundred ninety-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 7.113199184 × 10¹⁰

Factors of 71131991840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 244

Divisors of 71131991840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 67 70 71 79 80 91 104 112 130 134 140 142 158 160 169 182 208 224 260 268 280 284 316 335 338 355 364 395 416 455 469 497 520 536 553 560 568 632 670 676 710 728 790 845 871 910 923 938 994 1027 1040 1072 1106 1120 1136 1183 1264 1340 1352 1420 1456 1580 1690 1742 1820 1846 1876 1988 2054 2080 2144 2212 2272 2345 2366 2485 2528 2680 2704 2765 2840 2912 3160 3380 3484 3640 3692 3752 3976 4108 4355 4424 4615 4690 4732 4757 4970 5135 5293 5360 5408 5530 5609 5680 5915 6097 6320 6461 6760 6968 7189 7280 7384 7504 7952 8216 8710 8848 9230 9380 9464 9514 9940 10270 10586 10720 11060 11218 11323 11360 11830 11999 12194 12640 12922 13351 13520 13936 14378 14560 14768 15008 15904 16432 17420 17696 18460 18760 18928 19028 19880 20540 21172 22120 22436 22646 23660 23785 23998 24388 25844 26465 26702 27040 27872 28045 28756 29536 30485 32305 32864 33299 34840 35945 36920 37051 37520 37856 38056 39263 39760 41080 42344 44240 44872 45292 47320 47570 47996 48776 51688 52930 53404 56090 56615 57512 59995 60970 61841 64610 66598 66755 68809 69680 71890 72917 73840 74102 75040 76112 78526 79261 79520 82160 83993 84688 88480 89744 90584 93457 94640 95140 95992 97552 103376 105860 106808 112180 113230 115024 119990 121940 123682 129220 133196 133510 137618 139360 143780 145834 147680 148204 152224 157052 158522 164320 166495 167986 169376 179488 181168 185255 186914 189280 190280 191984 195104 196315 206752 211720 213616 224360 226460 230048 239980 243880 247364 258440 266392 267020 275236 287560 291668 296408 309205 314104 317044 332990 335972 344045 362336 364585 370510 373828 375803 380560 383968 392630 396305 419965 423440 427232 432887 448720 452920 467285 479960 481663 487760 494728 510419 516880 532784 534040 550472 575120 583336 592816 618410 628208 634088 665980 671944 688090 729170 741020 747656 751606 761120 785260 792610 803933 839930 846880 865774 894517 897440 905840 934570 947921 959920 963326 975520 989456 1020838 1033760 1065568 1068080 1100944 1150240 1166672 1185632 1236820 1256416 1268176 1331960 1343888 1376180 1458340 1482040 1495312 1503212 1570520 1585220 1607866 1679860 1731548 1789034 1811680 1869140 1879015 1895842 1919840 1926652 1978912 2041676 2136160 2164435 2201888 2333344 2408315 2473640 2536352 2552095 2630621 2663920 2687776 2752360 2916680 2964080 2990624 3006424 3141040 3170440 3215732 3359720 3463096 3578068 3738280 3758030 3791684 3853304 4019665 4083352 4328870 4472585 4739605 4816630 4885439 4947280 5104190 5261242 5327840 5504720 5627531 5833360 5928160 6012848 6261619 6282080 6340880 6431464 6635447 6719440 6926192 7156136 7476560 7516060 7583368 7706608 8039330 8166704 8657740 8945170 9479210 9633260 9770878 9894560 10208380 10522484 11009440 11255062 11666720 12025696 12523238 12681760 12862928 13153105 13270894 13438880 13852384 14312272 14953120 15032120 15166736 15413216 16078660 16333408 17315480 17890340 18958420 19266520 19541756 20416760 21044968 22510124 24427195 25046476 25725856 26306210 26541788 28137655 28624544 30064240 30333472 31308095 32157320 33177235 34198073 34630960 35780680 37916840 38533040 39083512 40833520 42089936 45020248 48854390 50092952 52612420 53083576 56275310 60128480 62616190 63510707 64314640 66354470 68396146 69261920 71561360 75833680 77066080 78167024 81667040 84179872 90040496 97708780 100185904 105224840 106167152 112550620 125232380 127021414 128629280 132708940 136792292 143122720 151667360 156334048 170990365 180080992 195417560 200371808 210449680 212334304 225101240 250464760 254042828 265417880 273584584 317553535 341980730 390835120 420899360 444574949 450202480 500929520 508085656 530835760 547169168 635107070 683961460 781670240 889149898 900404960 1001859040 1016171312 1061671520 1094338336 1270214140 1367922920 1778299796 2032342624 2222874745 2540428280 2735845840 3556599592 4445749490 5080856560 5471691680 7113199184 8891498980 10161713120 14226398368 17782997960 35565995920 71131991840
• Sum of all divisors σ(n): 216752578560
• Sum of proper divisors (its aliquot sum) s(n): 145620586720
• 71131991840 is an abundant number, because the sum of its proper divisors (145620586720) is greater than itself. Its abundance is 74488594880

Bases of 71131991840

• Binary: 1000010001111110011000000111100100000₂
• Hexadecimal: 0x108FCC0F20
• Base-36: WOE5G68

Squares and roots of 71131991840

• 71131991840 squared (71131991840²) is 5059760263125826585600
• 71131991840 cubed (71131991840³) is 359910825749022549580154261504000
• The square root of 71131991840 is 266705.8151596999
• The cube root of 71131991840 is 4143.3821429183

Scales and comparisons

• 71,131,991,840 seconds is equal to 2,261 years, 40 weeks, 2 days, 22 hours, 37 minutes, 20 seconds.
• To count from 1 to 71,131,991,840 would take you about four thousand, five 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 71131991840 cubic inches would be around 345.3 feet tall.

Recreational maths with 71131991840

• 71131991840 backwards is 04819913117
• The number of decimal digits it has is: 11
• The sum of 71131991840's digits is 44
• More coming soon!