61139888640

Names of 61139888640

• Cardinal: 61139888640 can be written as Sixty-one billion, one hundred thirty-nine million, eight hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.113988864 × 10¹⁰

Factors of 61139888640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 191

Divisors of 61139888640

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 181 192 216 240 243 256 270 288 320 324 360 362 384 405 432 480 486 512 540 543 576 640 648 720 724 729 768 810 864 905 960 972 1080 1086 1152 1215 1280 1296 1440 1448 1458 1536 1620 1629 1728 1810 1920 1944 2160 2172 2304 2430 2560 2592 2715 2880 2896 2916 3240 3258 3456 3620 3645 3840 3888 4320 4344 4608 4860 4887 5184 5430 5760 5792 5832 6480 6516 6912 7240 7290 7680 7776 8145 8640 8688 9720 9774 10368 10860 11520 11584 11664 12960 13032 13824 14480 14580 14661 15552 16290 17280 17376 19440 19548 20736 21720 23040 23168 23328 24435 25920 26064 28960 29160 29322 31104 32580 32761 34560 34752 38880 39096 41472 43440 43983 46336 46656 48870 51840 52128 57920 58320 58644 62208 65160 65522 69120 69504 73305 77760 78192 86880 87966 92672 93312 97740 98283 103680 104256 115840 116640 117288 124416 130320 131044 131949 139008 146610 155520 156384 163805 173760 175932 186624 195480 196566 207360 208512 219915 231680 233280 234576 260640 262088 263898 278016 293220 294849 311040 312768 327610 347520 351864 373248 390960 393132 417024 439830 463360 466560 469152 491415 521280 524176 527796 586440 589698 622080 625536 655220 659745 695040 703728 781920 786264 834048 879660 884547 933120 938304 982830 1042560 1048352 1055592 1172880 1179396 1251072 1310440 1319490 1390080 1407456 1474245 1563840 1572528 1759320 1769094 1866240 1876608 1965660 2085120 2096704 2111184 2345760 2358792 2502144 2620880 2638980 2653641 2814912 2948490 3127680 3145056 3518640 3538188 3753216 3931320 4170240 4193408 4222368 4422735 4691520 4717584 5241760 5277960 5307282 5629824 5896980 6255360 6290112 7037280 7076376 7506432 7862640 7960923 8386816 8444736 8845470 9383040 9435168 10483520 10555920 10614564 11259648 11793960 12510720 12580224 13268205 14074560 14152752 15725280 15921846 16773632 16889472 17690940 18766080 18870336 20967040 21111840 21229128 22519296 23587920 23882769 25160448 26536410 28149120 28305504 31450560 31843692 33778944 35381880 37532160 37740672 39804615 41934080 42223680 42458256 47175840 47765538 50320896 53072820 56298240 56611008 62901120 63687384 67557888 70763760 75481344 79609230 83868160 84447360 84916512 94351680 95531076 106145640 112596480 113222016 119413845 125802240 127374768 141527520 150962688 159218460 168894720 169833024 188703360 191062152 212291280 226444032 238827690 251604480 254749536 283055040 318436920 337789440 339666048 377406720 382124304 424582560 452888064 477655380 509499072 566110080 636873840 679332096 754813440 764248608 849165120 955310760 1018998144 1132220160 1273747680 1358664192 1528497216 1698330240 1910621520 2037996288 2264440320 2547495360 3056994432 3396660480 3821243040 4075992576 5094990720 6113988864 6793320960 7642486080 10189981440 12227977728 15284972160 20379962880 30569944320 61139888640
• Sum of all divisors σ(n): 221009118462
• Sum of proper divisors (its aliquot sum) s(n): 159869229822
• 61139888640 is an abundant number, because the sum of its proper divisors (159869229822) is greater than itself. Its abundance is 98729341182

Bases of 61139888640

• Binary: 111000111100001110001010101000000000₂
• Hexadecimal: 0xE3C38AA00
• Base-36: S354000

Squares and roots of 61139888640

• 61139888640 squared (61139888640²) is 3738085982911601049600
• 61139888640 cubed (61139888640³) is 228546160721960231136651116544000
• The square root of 61139888640 is 247264.8148038859
• The cube root of 61139888640 is 3939.5040182351

Scales and comparisons

• 61,139,888,640 seconds is equal to 1,944 years, 3 weeks, 14 hours, 24 minutes.
• To count from 1 to 61,139,888,640 would take you about three thousand, eight hundred eighty-eight 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 61139888640 cubic inches would be around 328.3 feet tall.

Recreational maths with 61139888640

• 61139888640 backwards is 04688893116
• 61139888640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61139888640's digits is 54
• More coming soon!