38720399994880

Names of 38720399994880

• Cardinal: 38720399994880 can be written as Thirty-eight trillion, seven hundred twenty billion, three hundred ninety-nine million, nine hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 3.872039999488 × 10¹³

Factors of 38720399994880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 167

Divisors of 38720399994880

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 128 131 145 160 232 256 262 290 320 464 512 524 580 640 655 841 928 1024 1048 1160 1280 1310 1682 1856 2048 2096 2320 2560 2620 3364 3712 3799 4096 4192 4205 4640 5120 5240 6728 7424 7598 8384 8410 9280 10240 10480 13456 14848 15196 16768 16820 17161 18560 18995 20480 20960 26912 29696 30392 33536 33640 34322 37120 37990 41920 53824 59392 60784 67072 67280 68644 74240 75980 83840 85805 107648 110171 118784 121568 134144 134560 137288 148480 151960 167680 171610 215296 220342 243136 268288 269120 274576 296960 303920 335360 343220 430592 440684 486272 497669 536576 538240 549152 550855 593920 607840 670720 686440 861184 881368 972544 995338 1076480 1098304 1101710 1215680 1341440 1372880 1722368 1762736 1945088 1990676 2152960 2196608 2203420 2248091 2431360 2488345 2682880 2745760 3444736 3525472 3890176 3981352 4305920 4393216 4406840 4496182 4862720 4976690 5491520 7050944 7780352 7962704 8611840 8786432 8813680 8992364 9725440 9953380 10983040 11240455 14101888 14432401 15560704 15925408 17223680 17572864 17627360 17984728 19450880 19906760 21966080 22480910 28203776 28864802 31850816 35145728 35254720 35969456 38901760 39813520 43932160 44961820 56407552 57729604 63701632 65194639 70291456 70509440 71938912 72162005 77803520 79627040 87864320 89923640 112815104 115459208 127403264 130389278 141018880 143877824 144324010 159254080 175728640 179847280 225630208 230918416 254806528 260778556 282037760 287755648 288648020 318508160 325973195 351457280 359694560 451260416 461836832 509613056 521557112 564075520 575511296 577296040 637016320 651946390 719389120 923673664 1019226112 1043114224 1128151040 1151022592 1154592080 1274032640 1303892780 1438778240 1847347328 1890644531 2038452224 2086228448 2256302080 2302045184 2309184160 2548065280 2607785560 2877556480 3694694656 3781289062 4172456896 4604090368 4618368320 5096130560 5215571120 5755112960 7389389312 7562578124 8344913792 9208180736 9236736640 9453222655 10192261120 10431142240 11510225920 14778778624 15125156248 16689827584 18473473280 18906445310 20862284480 23020451840 29557557248 30250312496 33379655168 36946946560 37812890620 41724568960 46040903680 59115114496 60500624992 66759310336 73893893120 75625781240 83449137920 121001249984 133518620672 147787786240 151251562480 166898275840 242002499968 267037241344 295575572480 302503124960 333796551680 484004999936 605006249920 667593103360 968009999872 1210012499840 1335186206720 1936019999744 2420024999680 3872039999488 4840049999360 7744079998976 9680099998720 19360199997440 38720399994880
• Sum of all divisors σ(n): 96972403557744
• Sum of proper divisors (its aliquot sum) s(n): 58252003562864
• 38720399994880 is an abundant number, because the sum of its proper divisors (58252003562864) is greater than itself. Its abundance is 19531603567984

Bases of 38720399994880

• Binary: 1000110011011101001011101011111111000000000000₂
• Hexadecimal: 0x23374BAFF000
• Base-36: DQ3WMFBWG

Squares and roots of 38720399994880

• 38720399994880 squared (38720399994880²) is 1499269375763503104026214400
• 38720399994880 cubed (38720399994880³) is 58052309929636886385227496161145782272000
• The square root of 38720399994880 is 6222571.8151645307
• The cube root of 38720399994880 is 33830.8787276825

Scales and comparisons

• 38,720,399,994,880 seconds is equal to 1,231,188 years, 49 weeks, 2 days, 17 hours, 14 minutes, 40 seconds.
• To count from 1 to 38,720,399,994,880 would take you about three million, seventy-seven thousand, nine hundred seventy-two 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 38720399994880 cubic inches would be around 2819.2 feet tall.

Recreational maths with 38720399994880

• 38720399994880 backwards is 08849999302783
• The number of decimal digits it has is: 14
• The sum of 38720399994880's digits is 79
• More coming soon!