78428120960

Names of 78428120960

• Cardinal: 78428120960 can be written as Seventy-eight billion, four hundred twenty-eight million, one hundred twenty thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 7.842812096 × 10¹⁰

Factors of 78428120960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 786

Divisors of 78428120960

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 19 20 28 32 34 35 38 40 56 64 68 70 76 80 83 85 95 112 119 128 133 136 140 152 160 166 170 190 224 238 266 272 280 304 320 323 332 340 380 415 448 476 532 544 560 581 595 608 640 646 653 664 665 680 760 830 896 952 1064 1088 1120 1162 1190 1216 1292 1306 1328 1330 1360 1411 1520 1577 1615 1660 1904 2128 2176 2240 2261 2324 2380 2432 2584 2612 2656 2660 2720 2822 2905 3040 3154 3230 3265 3320 3808 4256 4480 4522 4571 4648 4760 5168 5224 5312 5320 5440 5644 5810 6080 6308 6460 6530 6640 7055 7616 7885 8512 9044 9142 9296 9520 9877 10336 10448 10624 10640 10880 11039 11101 11288 11305 11620 12160 12407 12616 12920 13060 13280 14110 15232 15770 17024 18088 18284 18592 19040 19754 20672 20896 21280 22078 22202 22576 22610 22855 23240 24814 25232 25840 26120 26560 26809 28220 31540 36176 36568 37184 38080 39508 41344 41792 42560 44156 44404 45152 45220 45710 46480 49385 49628 50464 51680 52240 53120 53618 54199 55195 55505 56440 62035 63080 72352 73136 74368 76160 77707 79016 83584 85120 86849 88312 88808 90304 90440 91420 92960 98770 99256 100928 103360 104480 107236 108398 110390 111010 112880 124070 126160 134045 144704 146272 155414 158032 173698 176624 177616 180608 180880 182840 185920 187663 197540 198512 201856 206720 208960 210919 214472 216796 220780 222020 225760 248140 252320 268090 270995 289408 292544 310828 316064 347396 353248 355232 361760 365680 371840 375326 379393 388535 395080 397024 417920 421838 428944 433592 434245 441560 444040 451520 496280 504640 536180 541990 585088 621656 632128 694792 706496 710464 723520 731360 750652 758786 777070 790160 794048 843676 857888 867184 868490 883120 888080 903040 921383 938315 992560 1009280 1029781 1054595 1072360 1083980 1243312 1264256 1389584 1412992 1420928 1447040 1462720 1476433 1501304 1517572 1554140 1580320 1588096 1687352 1715776 1734368 1736980 1766240 1776160 1842766 1876630 1896965 1985120 2059562 2109190 2144720 2167960 2486624 2779168 2925440 2952866 3002608 3035144 3108280 3160640 3374704 3431552 3468736 3473960 3532480 3552320 3685532 3753260 3793930 3970240 4119124 4218380 4289440 4335920 4606915 4973248 5148905 5558336 5905732 6005216 6070288 6216560 6321280 6449681 6749408 6937472 6947920 7064960 7104640 7208467 7371064 7382165 7506520 7587860 7940480 8238248 8436760 8578880 8671840 9213830 9946496 10297810 11116672 11811464 12010432 12140576 12433120 12899362 13498816 13895840 14416934 14742128 14764330 15013040 15175720 16476496 16873520 17157760 17343680 17506277 18427660 20595620 23622928 24020864 24281152 24866240 25798724 26997632 27791680 28833868 29484256 29528660 30026080 30351440 32248405 32952992 33747040 34687360 35012554 36042335 36855320 41191240 47245856 48562304 49732480 51597448 55583360 57667736 58968512 59057320 60052160 60702880 64496810 65905984 67494080 70025108 72084670 73710640 82382480 87531385 94491712 103194896 115335472 117937024 118114640 120104320 121405760 122543939 128993620 131811968 134988160 140050216 144169340 147421280 164764960 175062770 188983424 206389792 230670944 236229280 242811520 245087878 257987240 280100432 288338680 294842560 329529920 350125540 412779584 461341888 472458560 490175756 515974480 560200864 576677360 589685120 612719695 659059840 700251080 825559168 922683776 944917120 980351512 1031948960 1120401728 1153354720 1225439390 1400502160 1960703024 2063897920 2240803456 2306709440 2450878780 2801004320 3921406048 4127795840 4613418880 4901757560 5602008640 7842812096 9803515120 11204017280 15685624192 19607030240 39214060480 78428120960
• Sum of all divisors σ(n): 242069990400
• Sum of proper divisors (its aliquot sum) s(n): 163641869440
• 78428120960 is an abundant number, because the sum of its proper divisors (163641869440) is greater than itself. Its abundance is 85213748480

Bases of 78428120960

• Binary: 1001001000010101011100010011110000000₂
• Hexadecimal: 0x1242AE2780
• Base-36: 10122TFK

Squares and roots of 78428120960

• 78428120960 squared (78428120960²) is 6150970157316391321600
• 78428120960 cubed (78428120960³) is 482409031519360167561139060736000
• The square root of 78428120960 is 280050.2114978669
• The cube root of 78428120960 is 4280.4615800555

Scales and comparisons

• 78,428,120,960 seconds is equal to 2,493 years, 40 weeks, 21 hours, 9 minutes, 20 seconds.
• To count from 1 to 78,428,120,960 would take you about four thousand, nine hundred eighty-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 78428120960 cubic inches would be around 356.7 feet tall.

Recreational maths with 78428120960

• 78428120960 backwards is 06902182487
• The number of decimal digits it has is: 11
• The sum of 78428120960's digits is 47
• More coming soon!