72290672640

Names of 72290672640

• Cardinal: 72290672640 can be written as Seventy-two billion, two hundred ninety million, six hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.229067264 × 10¹⁰

Factors of 72290672640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 279

Divisors of 72290672640

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 269 270 288 320 324 360 384 405 432 480 486 512 538 540 576 640 648 720 729 768 807 810 864 960 972 1024 1076 1080 1152 1215 1280 1296 1345 1440 1458 1536 1614 1620 1728 1920 1944 2048 2152 2160 2187 2304 2421 2430 2560 2592 2690 2880 2916 3072 3228 3240 3456 3645 3840 3888 4035 4096 4304 4320 4374 4608 4842 4860 5120 5184 5380 5760 5832 6144 6456 6480 6561 6912 7263 7290 7680 7776 8070 8192 8608 8640 8748 9216 9684 9720 10240 10368 10760 10935 11520 11664 12105 12288 12912 12960 13122 13824 14526 14580 15360 15552 16140 17216 17280 17496 18432 19368 19440 20480 20736 21520 21789 21870 23040 23328 24210 24576 25824 25920 26244 27648 29052 29160 30720 31104 32280 32805 34432 34560 34992 36315 36864 38736 38880 40960 41472 43040 43578 43740 46080 46656 48420 51648 51840 52488 55296 58104 58320 61440 62208 64560 65367 65610 68864 69120 69984 72630 73728 77472 77760 82944 86080 87156 87480 92160 93312 96840 103296 103680 104976 108945 110592 116208 116640 122880 124416 129120 130734 131220 137728 138240 139968 145260 154944 155520 165888 172160 174312 174960 184320 186624 193680 196101 206592 207360 209952 217890 221184 232416 233280 248832 258240 261468 262440 275456 276480 279936 290520 309888 311040 326835 331776 344320 348624 349920 368640 373248 387360 392202 413184 414720 419904 435780 464832 466560 497664 516480 522936 524880 550912 552960 559872 581040 588303 619776 622080 653670 663552 688640 697248 699840 746496 774720 784404 826368 829440 839808 871560 929664 933120 980505 995328 1032960 1045872 1049760 1101824 1105920 1119744 1162080 1176606 1239552 1244160 1307340 1377280 1394496 1399680 1492992 1549440 1568808 1652736 1658880 1679616 1743120 1764909 1859328 1866240 1961010 1990656 2065920 2091744 2099520 2203648 2239488 2324160 2353212 2479104 2488320 2614680 2754560 2788992 2799360 2941515 2985984 3098880 3137616 3305472 3317760 3359232 3486240 3529818 3718656 3732480 3922020 4131840 4183488 4199040 4478976 4648320 4706424 4958208 4976640 5229360 5509120 5577984 5598720 5883030 5971968 6197760 6275232 6610944 6718464 6972480 7059636 7437312 7464960 7844040 8263680 8366976 8398080 8824545 8957952 9296640 9412848 9916416 9953280 10458720 11018240 11155968 11197440 11766060 12395520 12550464 13436928 13944960 14119272 14874624 14929920 15688080 16527360 16733952 16796160 17649090 17915904 18593280 18825696 19832832 20917440 22311936 22394880 23532120 24791040 25100928 26873856 27889920 28238544 29749248 29859840 31376160 33054720 33467904 33592320 35298180 37186560 37651392 41834880 44623872 44789760 47064240 49582080 50201856 53747712 55779840 56477088 59498496 62752320 66935808 67184640 70596360 74373120 75302784 83669760 89247744 89579520 94128480 99164160 100403712 111559680 112954176 125504640 133871616 134369280 141192720 148746240 150605568 167339520 178495488 188256960 200807424 223119360 225908352 251009280 267743232 268738560 282385440 297492480 301211136 334679040 376513920 401614848 446238720 451816704 502018560 535486464 564770880 602422272 669358080 753027840 803229696 892477440 903633408 1004037120 1129541760 1204844544 1338716160 1506055680 1606459392 1807266816 2008074240 2259083520 2409689088 2677432320 3012111360 3614533632 4016148480 4518167040 4819378176 6024222720 7229067264 8032296960 9036334080 12048445440 14458134528 18072668160 24096890880 36145336320 72290672640
• Sum of all divisors σ(n): 261184666860
• Sum of proper divisors (its aliquot sum) s(n): 188893994220
• 72290672640 is an abundant number, because the sum of its proper divisors (188893994220) is greater than itself. Its abundance is 116603321580

Bases of 72290672640

• Binary: 1000011010100110111000010000000000000₂
• Hexadecimal: 0x10D4DC2000
• Base-36: X7K0000

Squares and roots of 72290672640

• 72290672640 squared (72290672640²) is 5225941350743644569600
• 72290672640 cubed (72290672640³) is 377786815422448230141467295744000
• The square root of 72290672640 is 268869.2482229977
• The cube root of 72290672640 is 4165.7584945339

Scales and comparisons

• 72,290,672,640 seconds is equal to 2,298 years, 32 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 72,290,672,640 would take you about four thousand, five 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 72290672640 cubic inches would be around 347.1 feet tall.

Recreational maths with 72290672640

• 72290672640 backwards is 04627609227
• 72290672640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72290672640's digits is 45
• More coming soon!