72427632640

Names of 72427632640

• Cardinal: 72427632640 can be written as Seventy-two billion, four hundred twenty-seven million, six hundred thirty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.242763264 × 10¹⁰

Factors of 72427632640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 289

Divisors of 72427632640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 61 64 80 83 88 110 122 127 128 160 166 176 220 244 254 256 305 320 332 352 415 440 488 508 512 610 635 640 664 671 704 830 880 913 976 1016 1024 1220 1270 1280 1328 1342 1397 1408 1660 1760 1826 1952 2032 2048 2440 2540 2560 2656 2684 2794 2816 3320 3355 3520 3652 3904 4064 4565 4880 5063 5080 5120 5312 5368 5588 5632 6640 6710 6985 7040 7304 7747 7808 8128 9130 9760 10126 10160 10240 10541 10624 10736 11176 11264 13280 13420 13970 14080 14608 15494 15616 16256 18260 19520 20252 20320 21082 21248 21472 22352 22528 25315 26560 26840 27940 28160 29216 30988 31232 32512 36520 38735 39040 40504 40640 42164 42496 42944 44704 50630 52705 53120 53680 55693 55880 56320 58432 61976 62464 65024 73040 77470 78080 81008 81280 84328 84992 85217 85888 89408 101260 105410 106240 107360 111386 111760 112640 115951 116864 123952 124928 130048 146080 154940 156160 162016 162560 168656 169984 170434 171776 178816 202520 210820 212480 214720 222772 223520 231902 233728 247904 260096 278465 292160 309880 312320 324032 325120 337312 340868 343552 357632 405040 421640 424960 426085 429440 445544 447040 463804 467456 495808 556930 579755 584320 619760 624640 643001 648064 650240 674624 681736 687104 715264 810080 843280 849920 852170 858880 891088 894080 927608 934912 991616 1113860 1159510 1168640 1239520 1286002 1296128 1300480 1349248 1363472 1374208 1430528 1620160 1686560 1704340 1717760 1782176 1788160 1855216 1869824 1983232 2227720 2319020 2337280 2479040 2572004 2592256 2698496 2726944 2861056 3215005 3240320 3373120 3408680 3435520 3564352 3576320 3710432 3966464 4455440 4638040 4674560 4958080 5144008 5184512 5396992 5453888 6430010 6480640 6746240 6817360 6871040 7073011 7128704 7152640 7420864 7932928 8910880 9276080 9349120 9916160 10288016 10369024 10793984 10907776 12860020 12961280 13492480 13634720 14146022 14257408 14305280 14841728 15865856 17821760 18552160 19832320 20576032 21587968 21815552 25720040 25922560 26984960 27269440 28292044 28514816 29683456 35365055 35643520 37104320 39664640 41152064 43631104 51440080 51845120 53969920 54538880 56584088 57029632 59366912 70730110 71287040 74208640 79329280 82304128 87262208 102880160 107939840 109077760 113168176 114059264 118733824 141460220 142574080 148417280 164608256 174524416 205760320 218155520 226336352 237467648 282920440 285148160 296834560 329216512 411520640 436311040 452672704 565840880 570296320 593669120 658433024 823041280 872622080 905345408 1131681760 1187338240 1316866048 1646082560 1810690816 2263363520 3292165120 3621381632 4526727040 6584330240 7242763264 9053454080 14485526528 18106908160 36213816320 72427632640
• Sum of all divisors σ(n): 196547420160
• Sum of proper divisors (its aliquot sum) s(n): 124119787520
• 72427632640 is an abundant number, because the sum of its proper divisors (124119787520) is greater than itself. Its abundance is 51692154880

Bases of 72427632640

• Binary: 1000011011101000001011111100000000000₂
• Hexadecimal: 0x10DD05F800
• Base-36: X9TJJ0G

Squares and roots of 72427632640

• 72427632640 squared (72427632640²) is 5245761969834793369600
• 72427632640 cubed (72427632640³) is 379938120868077175663696543744000
• The square root of 72427632640 is 269123.8239918569
• The cube root of 72427632640 is 4168.3876135699

Scales and comparisons

• 72,427,632,640 seconds is equal to 2,302 years, 50 weeks, 4 days, 18 hours, 50 minutes, 40 seconds.
• To count from 1 to 72,427,632,640 would take you about four thousand, six hundred five 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 72427632640 cubic inches would be around 347.4 feet tall.

Recreational maths with 72427632640

• 72427632640 backwards is 04623672427
• The number of decimal digits it has is: 11
• The sum of 72427632640's digits is 43
• More coming soon!