12539421440

Names of 12539421440

• Cardinal: 12539421440 can be written as Twelve billion, five hundred thirty-nine million, four hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.253942144 × 10¹⁰

Factors of 12539421440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 27

Divisors of 12539421440

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 128 130 140 160 169 182 196 208 224 245 256 260 280 320 338 343 364 392 416 448 455 490 520 560 637 640 676 686 728 784 832 845 896 910 980 1040 1120 1183 1274 1280 1352 1372 1456 1568 1664 1690 1715 1792 1820 1960 2080 2197 2240 2366 2548 2704 2744 2912 3136 3185 3328 3380 3430 3640 3920 4160 4394 4459 4480 4732 5096 5408 5488 5824 5915 6272 6370 6760 6860 7280 7840 8281 8320 8788 8918 8960 9464 10192 10816 10976 10985 11648 11830 12544 12740 13520 13720 14560 15379 15680 16562 16640 17576 17836 18928 20384 21632 21952 21970 22295 23296 23660 25480 27040 27440 28561 29120 30758 31360 33124 35152 35672 37856 40768 41405 43264 43904 43940 44590 47320 50960 54080 54880 57122 57967 58240 61516 62720 66248 70304 71344 75712 76895 81536 82810 87808 87880 89180 94640 101920 107653 108160 109760 114244 115934 116480 123032 132496 140608 142688 142805 151424 153790 163072 165620 175760 178360 189280 199927 203840 215306 216320 219520 228488 231868 246064 264992 281216 285376 285610 289835 302848 307580 331240 351520 356720 378560 399854 407680 430612 439040 456976 463736 492128 529984 538265 562432 570752 571220 579670 615160 662480 703040 713440 753571 757120 799708 815360 861224 913952 927472 984256 999635 1059968 1076530 1141504 1142440 1159340 1230320 1324960 1399489 1406080 1426880 1507142 1514240 1599416 1722448 1827904 1854944 1968512 1999270 2119936 2153060 2284880 2318680 2460640 2649920 2798978 2812160 2853760 3014284 3198832 3444896 3655808 3709888 3767855 3937024 3998540 4306120 4569760 4637360 4921280 5299840 5597956 5707520 6028568 6397664 6889792 6997445 7311616 7419776 7535710 7997080 8612240 9139520 9274720 9796423 9842560 10599680 11195912 12057136 12795328 13779584 13994890 14839552 15071420 15994160 17224480 18279040 18549440 19592846 19685120 22391824 24114272 25590656 27559168 27989780 30142840 31988320 34448960 36558080 37098880 39185692 44783648 48228544 48982115 51181312 55979560 60285680 63976640 68897920 74197760 78371384 89567296 96457088 97964230 111959120 120571360 127953280 137795840 156742768 179134592 192914176 195928460 223918240 241142720 255906560 313485536 358269184 391856920 447836480 482285440 626971072 783713840 895672960 964570880 1253942144 1567427680 1791345920 2507884288 3134855360 6269710720 12539421440
• Sum of all divisors σ(n): 37946042400
• Sum of proper divisors (its aliquot sum) s(n): 25406620960
• 12539421440 is an abundant number, because the sum of its proper divisors (25406620960) is greater than itself. Its abundance is 12867199520

Bases of 12539421440

• Binary: 1011101011011010000110001100000000₂
• Hexadecimal: 0x2EB686300
• Base-36: 5RDNBI8

Squares and roots of 12539421440

• 12539421440 squared (12539421440²) is 157237090049931673600
• 12539421440 cubed (12539421440³) is 1971662138135323898474921984000
• The square root of 12539421440 is 111979.5581345095
• The cube root of 12539421440 is 2323.2315647851

Scales and comparisons

• 12,539,421,440 seconds is equal to 398 years, 37 weeks, 1 day, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 12,539,421,440 would take you about seven hundred ninety-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 12539421440 cubic inches would be around 193.6 feet tall.

Recreational maths with 12539421440

• 12539421440 backwards is 04412493521
• 12539421440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12539421440's digits is 35
• More coming soon!