13157081280

Names of 13157081280

• Cardinal: 13157081280 can be written as Thirteen billion, one hundred fifty-seven million, eighty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.315708128 × 10¹⁰

Factors of 13157081280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3051

Divisors of 13157081280

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 192 210 224 233 240 252 280 288 315 320 336 360 420 448 466 480 504 560 576 630 672 699 720 840 932 960 1008 1120 1165 1260 1344 1398 1440 1631 1680 1864 2016 2097 2240 2330 2520 2796 2801 2880 3262 3360 3495 3728 4032 4194 4660 4893 5040 5592 5602 6524 6720 6990 7456 8155 8388 8403 9320 9786 10080 10485 11184 11204 13048 13980 14005 14679 14912 16310 16776 16806 18640 19572 19607 20160 20970 22368 22408 24465 25209 26096 27960 28010 29358 32620 33552 33612 37280 39144 39214 41940 42015 44736 44816 48930 50418 52192 55920 56020 58716 58821 65240 67104 67224 73395 74560 78288 78428 83880 84030 89632 97860 98035 100836 104384 111840 112040 117432 117642 126045 130480 134208 134448 146790 156576 156856 167760 168060 176463 179264 195720 196070 201672 223680 224080 234864 235284 252090 260960 268896 293580 294105 313152 313712 335520 336120 352926 391440 392140 403344 448160 469728 470568 504180 521920 537792 587160 588210 627424 652633 671040 672240 705852 782880 784280 806688 882315 896320 939456 941136 1008360 1174320 1176420 1254848 1305266 1344480 1411704 1565760 1568560 1613376 1764630 1882272 1957899 2016720 2348640 2352840 2610532 2688960 2823408 3137120 3263165 3529260 3764544 3915798 4033440 4568431 4697280 4705680 5221064 5646816 5873697 6274240 6526330 7058520 7831596 8066880 9136862 9411360 9789495 10442128 11293632 11747394 13052660 13705293 14117040 15663192 18273724 18822720 19578990 20884256 22842155 23494788 26105320 27410586 28234080 29368485 31326384 36547448 39157980 41115879 41768512 45684310 46989576 52210640 54821172 56468160 58736970 62652768 68526465 73094896 78315960 82231758 91368620 93979152 104421280 109642344 117473940 125305536 137052930 146189792 156631920 164463516 182737240 187958304 205579395 208842560 219284688 234947880 274105860 292379584 313263840 328927032 365474480 375916608 411158790 438569376 469895760 548211720 626527680 657854064 730948960 822317580 877138752 939791520 1096423440 1315708128 1461897920 1644635160 1879583040 2192846880 2631416256 3289270320 4385693760 6578540640 13157081280
• Sum of all divisors σ(n): 51960377664
• Sum of proper divisors (its aliquot sum) s(n): 38803296384
• 13157081280 is an abundant number, because the sum of its proper divisors (38803296384) is greater than itself. Its abundance is 25646215104

Bases of 13157081280

• Binary: 1100010000001110010010000011000000₂
• Hexadecimal: 0x3103920C0
• Base-36: 61LDWW0

Squares and roots of 13157081280

• 13157081280 squared (13157081280²) is 173108787808526438400
• 13157081280 cubed (13157081280³) is 2277606391479055427057713152000
• The square root of 13157081280 is 114704.3211043071
• The cube root of 13157081280 is 2360.7673268525

Scales and comparisons

• 13,157,081,280 seconds is equal to 418 years, 18 weeks, 3 days, 48 minutes.
• To count from 1 to 13,157,081,280 would take you about eight hundred thirty-six 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 13157081280 cubic inches would be around 196.7 feet tall.

Recreational maths with 13157081280

• 13157081280 backwards is 08218075131
• 13157081280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13157081280's digits is 36
• More coming soon!