27994904640

Names of 27994904640

• Cardinal: 27994904640 can be written as Twenty-seven billion, nine hundred ninety-four million, nine hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.799490464 × 10¹⁰

Factors of 27994904640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 991

Divisors of 27994904640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 64 72 80 90 93 96 108 120 124 127 135 144 155 160 180 186 192 216 240 248 254 270 279 288 310 320 360 372 381 432 465 480 496 508 540 558 576 620 635 720 744 762 823 837 864 930 960 992 1016 1080 1116 1143 1240 1270 1395 1440 1488 1524 1646 1674 1728 1860 1905 1984 2032 2160 2232 2286 2469 2480 2540 2790 2880 2976 3048 3292 3348 3429 3720 3810 3937 4064 4115 4185 4320 4464 4572 4938 4960 5080 5580 5715 5952 6096 6584 6696 6858 7407 7440 7620 7874 8128 8230 8370 8640 8928 9144 9876 9920 10160 11160 11430 11811 12192 12345 13168 13392 13716 14814 14880 15240 15748 16460 16740 17145 17856 18288 19685 19752 20320 22221 22320 22860 23622 24384 24690 25513 26336 26784 27432 29628 29760 30480 31496 32920 33480 34290 35433 36576 37035 39370 39504 40640 44442 44640 45720 47244 49380 51026 52672 53568 54864 59055 59256 60960 62992 65840 66960 68580 70866 73152 74070 76539 78740 79008 88884 89280 91440 94488 98760 102052 104521 106299 109728 111105 118110 118512 121920 125984 127565 131680 133920 137160 141732 148140 153078 157480 158016 177165 177768 182880 188976 197520 204104 209042 212598 219456 222210 229617 236220 237024 251968 255130 263360 267840 274320 283464 296280 306156 313563 314960 354330 355536 365760 377952 382695 395040 408208 418084 425196 444420 459234 472440 474048 510260 522605 531495 548640 566928 592560 612312 627126 629920 688851 708660 711072 755904 765390 790080 816416 836168 850392 888840 918468 940689 944880 1020520 1045210 1062990 1097280 1133856 1148085 1185120 1224624 1254252 1259840 1377702 1417320 1422144 1530780 1567815 1632832 1672336 1700784 1777680 1836936 1881378 1889760 2041040 2090420 2125980 2267712 2296170 2370240 2449248 2508504 2755404 2822067 2834640 3061560 3135630 3240151 3344672 3401568 3444255 3555360 3673872 3762756 3779520 4082080 4180840 4251960 4592340 4703445 4898496 5017008 5510808 5644134 5669280 6123120 6271260 6480302 6689344 6803136 6888510 7110720 7347744 7525512 8164160 8361680 8503920 9184680 9406890 9720453 10034016 11021616 11288268 11338560 12246240 12542520 12960604 13777020 14110335 14695488 15051024 16200755 16723360 17007840 18369360 18813780 19440906 20068032 22043232 22576536 24492480 25085040 25921208 27554040 28220670 29161359 30102048 32401510 33446720 34015680 36738720 37627560 38881812 44086464 45153072 48602265 50170080 51842416 55108080 56441340 58322718 60204096 64803020 73477440 75255120 77763624 87484077 90306144 97204530 100340160 103684832 110216160 112882680 116645436 129606040 145806795 150510240 155527248 174968154 180612288 194409060 207369664 220432320 225765360 233290872 259212080 291613590 301020480 311054496 349936308 388818120 437420385 451530720 466581744 518424160 583227180 622108992 699872616 777636240 874840770 903061440 933163488 1036848320 1166454360 1399745232 1555272480 1749681540 1866326976 2332908720 2799490464 3110544960 3499363080 4665817440 5598980928 6998726160 9331634880 13997452320 27994904640
• Sum of all divisors σ(n): 102873169920
• Sum of proper divisors (its aliquot sum) s(n): 74878265280
• 27994904640 is an abundant number, because the sum of its proper divisors (74878265280) is greater than itself. Its abundance is 46883360640

Bases of 27994904640

• Binary: 11010000100101000000101100001000000₂
• Hexadecimal: 0x684A05840
• Base-36: CUZFYO0

Squares and roots of 27994904640

• 27994904640 squared (27994904640²) is 783714685802693529600
• 27994904640 cubed (27994904640³) is 21940017894013967216297017344000
• The square root of 27994904640 is 167316.7793139709
• The cube root of 27994904640 is 3036.4047641061

Scales and comparisons

• 27,994,904,640 seconds is equal to 890 years, 7 weeks, 6 days, 2 hours, 24 minutes.
• To count from 1 to 27,994,904,640 would take you about one thousand, seven hundred eighty 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 27994904640 cubic inches would be around 253 feet tall.

Recreational maths with 27994904640

• 27994904640 backwards is 04640949972
• 27994904640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 27994904640's digits is 54
• More coming soon!