38742943688640

Names of 38742943688640

• Cardinal: 38742943688640 can be written as Thirty-eight trillion, seven hundred forty-two billion, nine hundred forty-three million, six hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 3.874294368864 × 10¹³

Factors of 38742943688640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 199721

Divisors of 38742943688640

• 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 32 36 40 45 48 54 60 64 72 80 83 90 96 108 120 135 144 160 166 180 192 216 240 249 270 271 288 320 332 360 415 432 480 498 540 542 576 664 720 747 813 830 864 960 996 1080 1084 1245 1328 1355 1440 1494 1626 1660 1728 1992 2160 2168 2241 2439 2490 2656 2710 2880 2988 3252 3320 3735 3984 4065 4320 4336 4482 4878 4980 5312 5420 5976 6504 6640 7317 7470 7968 8130 8640 8672 8964 9756 9960 10840 11205 11952 12195 13008 13280 14634 14940 15936 16260 17344 17928 19512 19920 21680 22410 22493 23904 24390 26016 26560 29268 29880 32520 35856 36585 39024 39840 43360 44820 44986 47808 48780 52032 58536 59760 65040 67479 71712 73170 78048 79680 86720 89640 89972 97560 112465 117072 119520 130080 134958 143424 146340 156096 179280 179944 195120 199357 202437 224930 234144 239040 260160 269916 292680 337395 358560 359888 390240 398714 404874 449860 468288 539832 585360 598071 607311 674790 717120 719776 780480 797428 809748 899720 996785 1012185 1079664 1170720 1196142 1214622 1349580 1439552 1594856 1619496 1794213 1799440 1993570 2024370 2159328 2341440 2392284 2429244 2699160 2990355 3036555 3189712 3238992 3588426 3598880 3987140 4048740 4318656 4784568 4858488 5382639 5398320 5980710 6073110 6379424 6477984 7176852 7197760 7974280 8097480 8971065 9569136 9716976 10765278 10796640 11961420 12146220 12758848 12955968 14353704 15948560 16194960 16546631 17942130 19138272 19433952 21530556 21593280 23922840 24292440 26913195 28707408 31897120 32389920 33093262 35884260 38276544 38867904 43061112 47845680 48584880 49639893 53826390 54025747 57414816 63794240 64779840 66186524 71768520 82733155 86122224 95691360 97169760 99279786 107652780 108051494 114829632 132373048 143537040 148919679 162077241 165466310 172244448 191382720 194339520 198559572 215305560 216102988 248199465 264746096 270128735 287074080 297839358 324154482 330932620 344488896 397119144 430611120 432205976 446759037 486231723 496398930 529492192 540257470 574148160 595678716 648308964 661865240 744598395 794238288 810386205 861222240 864411952 893518074 972463446 992797860 1058984384 1080514940 1191357432 1296617928 1323730480 1458695169 1489196790 1588476576 1620772410 1722444480 1728823904 1787036148 1944926892 1985595720 2161029880 2233795185 2382714864 2431158615 2593235856 2647460960 2917390338 2978393580 3176953152 3241544820 3457647808 3574072296 3889853784 3971191440 4322059760 4467590370 4484137001 4765429728 4862317230 5186471712 5294921920 5834780676 5956787160 6483089640 7148144592 7293475845 7779707568 7942382880 8644119520 8935180740 8968274002 9530859456 9724634460 10372943424 11669561352 11913574320 12966179280 13452411003 14296289184 14586951690 15559415136 15884765760 17288239040 17870361480 17936548004 19449268920 22420685005 23339122704 23827148640 25932358560 26904822006 28592578368 29173903380 31118830272 35740722960 35873096008 38898537840 40357233009 44841370010 46678245408 47654297280 51864717120 53809644012 58347806760 67262055015 71481445920 71746192016 77797075680 80714466018 89682740020 93356490816 107619288024 116695613520 121071699027 134524110030 142962891840 143492384032 155594151360 161428932036 179365480040 201786165045 215238576048 233391227040 242143398054 269048220060 286984768064 322857864072 358730960080 403572330090 430477152096 466782454080 484286796108 538096440120 605358495135 645715728144 717461920160 807144660180 860954304192 968573592216 1076192880240 1210716990270 1291431456288 1434923840320 1614289320360 1937147184432 2152385760480 2421433980540 2582862912576 3228578640720 3874294368864 4304771520960 4842867961080 6457157281440 7748588737728 9685735922160 12914314562880 19371471844320 38742943688640
• Sum of all divisors σ(n): 138834314680320
• Sum of proper divisors (its aliquot sum) s(n): 100091370991680
• 38742943688640 is an abundant number, because the sum of its proper divisors (100091370991680) is greater than itself. Its abundance is 61348427303040

Bases of 38742943688640

• Binary: 1000110011110010001011011001010110011111000000₂
• Hexadecimal: 0x233C8B6567C0
• Base-36: DQE9GCXC0

Squares and roots of 38742943688640

• 38742943688640 squared (38742943688640²) is 1501015685661130009265049600
• 38742943688640 cubed (38742943688640³) is 58153766185334519038225858125256556544000
• The square root of 38742943688640 is 6224382.9966222355
• The cube root of 38742943688640 is 33837.4430968847

Scales and comparisons

• 38,742,943,688,640 seconds is equal to 1,231,905 years, 40 weeks, 2 hours, 24 minutes.
• To count from 1 to 38,742,943,688,640 would take you about three million, seventy-nine thousand, seven hundred sixty-four 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 38742943688640 cubic inches would be around 2819.8 feet tall.

Recreational maths with 38742943688640

• 38742943688640 backwards is 04688634924783
• 38742943688640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 38742943688640's digits is 72
• More coming soon!