64374640920

Names of 64374640920

• Cardinal: 64374640920 can be written as Sixty-four billion, three hundred seventy-four million, six hundred forty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.437464092 × 10¹⁰

Factors of 64374640920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 566

Divisors of 64374640920

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 37 40 45 54 60 62 72 74 90 93 108 111 120 124 135 148 155 157 180 185 186 216 222 248 270 279 296 310 314 331 333 360 370 372 444 465 471 540 555 558 620 628 662 666 740 744 785 837 888 930 942 993 999 1080 1110 1116 1147 1240 1256 1324 1332 1395 1413 1480 1570 1655 1665 1674 1860 1884 1986 1998 2220 2232 2294 2355 2648 2664 2790 2826 2979 3140 3310 3330 3348 3441 3720 3768 3972 3996 4185 4239 4440 4588 4710 4867 4965 4995 5580 5652 5735 5809 5958 6280 6620 6660 6696 6882 7065 7944 7992 8370 8478 8937 9176 9420 9734 9930 9990 10261 10323 11160 11304 11470 11618 11916 12247 13240 13320 13764 14130 14601 14895 16740 16956 17205 17427 17874 18840 19468 19860 19980 20522 20646 21195 22940 23236 23832 24335 24494 27528 28260 29045 29202 29790 30783 30969 33480 33912 34410 34854 35748 36741 38936 39720 39960 41044 41292 42390 43803 44685 45880 46472 48670 48988 51305 51615 51967 52281 56520 58090 58404 59580 61235 61566 61938 68820 69708 71496 73005 73482 82088 82584 84780 87135 87606 89370 92349 97340 97976 102610 103230 103934 104562 110223 116180 116808 119160 122470 123132 123876 131409 137640 139416 146010 146964 153915 154845 155901 156843 169560 174270 175212 178740 180079 183705 184698 194680 205220 206460 207868 209124 219015 220446 232360 244940 246264 247752 259835 261405 262818 277047 292020 293928 307830 309690 311802 313686 330669 348540 350424 357480 360158 367410 369396 379657 410440 412920 415736 418248 438030 440892 461745 467703 489880 519670 522810 525636 540237 551115 554094 584040 615660 619380 623604 627372 657045 661338 697080 720316 734820 738792 759314 779505 784215 876060 881784 900395 923490 935406 1039340 1045620 1051272 1080474 1102230 1108188 1138971 1231320 1238760 1247208 1254744 1314090 1322676 1385235 1403109 1440632 1469640 1518628 1559010 1568430 1610977 1620711 1653345 1752120 1800790 1846980 1870812 1898285 1922779 2078680 2091240 2160948 2204460 2216376 2277942 2338515 2628180 2645352 2701185 2770470 2806218 3037256 3118020 3136860 3221954 3241422 3306690 3416913 3601580 3693960 3741624 3796570 3845558 4321896 4408920 4555884 4677030 4832931 4862133 5256360 5402370 5540940 5612436 5694855 5768337 6236040 6273720 6443908 6482844 6613380 6833826 7015545 7203160 7593140 7691116 8054885 8103555 9111768 9354060 9613895 9665862 9724266 10250739 10804740 11081880 11224872 11389710 11536674 12887816 12965688 13226760 13667652 14031090 14498793 15186280 15382232 16109770 16207110 17084565 17305011 18708120 19227790 19331724 19448532 20501478 21609480 22779420 23073348 24164655 24310665 27335304 28062180 28841685 28997586 32219540 32414220 34169130 34610022 38455580 38663448 38897064 41002956 43496379 45558840 46146696 48329310 48621330 51253695 51915033 56124360 57683370 57995172 59606149 64439080 64828440 68338260 69220044 72493965 76911160 82005912 86525055 86992758 96658620 97242660 102507390 103830066 115366740 115990344 119212298 136676520 138440088 144987930 173050110 173985516 178818447 193317240 194485320 205014780 207660132 217481895 230733480 238424596 259575165 289975860 298030745 346100220 347971032 357636894 410029560 415320264 434963790 476849192 519150330 536455341 579951720 596061490 692200440 715273788 869927580 894092235 1038300660 1072910682 1192122980 1430547576 1609366023 1739855160 1788184470 2076601320 2145821364 2384245960 2682276705 3218732046 3576368940 4291642728 5364553410 6437464092 7152737880 8046830115 10729106820 12874928184 16093660230 21458213640 32187320460 64374640920
• Sum of all divisors σ(n): 229631385600
• Sum of proper divisors (its aliquot sum) s(n): 165256744680
• 64374640920 is an abundant number, because the sum of its proper divisors (165256744680) is greater than itself. Its abundance is 100882103760

Bases of 64374640920

• Binary: 111011111101000001110001000100011000₂
• Hexadecimal: 0xEFD071118
• Base-36: TKMZYU0

Squares and roots of 64374640920

• 64374640920 squared (64374640920²) is 4144094393578938446400
• 64374640920 cubed (64374640920³) is 266774588525229316161782666688000
• The square root of 64374640920 is 253721.5815022443
• The cube root of 64374640920 is 4007.7898389211

Scales and comparisons

• 64,374,640,920 seconds is equal to 2,046 years, 47 weeks, 3 days, 20 hours, 42 minutes.
• To count from 1 to 64,374,640,920 would take you about four thousand and ninety-three 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 64374640920 cubic inches would be around 334 feet tall.

Recreational maths with 64374640920

• 64374640920 backwards is 02904647346
• 64374640920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64374640920's digits is 45
• More coming soon!