38913291648

Names of 38913291648

• Cardinal: 38913291648 can be written as Thirty-eight billion, nine hundred thirteen million, two hundred ninety-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 3.8913291648 × 10¹⁰

Factors of 38913291648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 719

Divisors of 38913291648

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 64 66 72 77 79 81 84 88 96 99 108 112 126 128 132 144 154 158 162 168 176 189 192 198 216 224 231 237 252 264 288 297 308 316 324 336 352 378 384 396 432 448 462 474 504 528 553 567 576 594 616 617 632 648 672 693 704 711 756 792 864 869 891 896 924 948 1008 1056 1106 1134 1152 1188 1232 1234 1264 1296 1344 1386 1408 1422 1512 1584 1659 1728 1738 1782 1848 1851 1896 2016 2079 2112 2133 2212 2268 2376 2464 2468 2528 2592 2607 2688 2772 2844 3024 3168 3318 3456 3476 3564 3696 3702 3792 4032 4158 4224 4266 4319 4424 4536 4752 4928 4936 4977 5056 5184 5214 5544 5553 5688 6048 6083 6237 6336 6399 6636 6787 6952 7128 7392 7404 7584 7821 8064 8316 8532 8638 8848 9072 9504 9856 9872 9954 10112 10368 10428 11088 11106 11376 12096 12166 12474 12672 12798 12957 13272 13574 13904 14256 14784 14808 14931 15168 15642 16632 16659 17064 17276 17696 18144 18249 19008 19744 19908 20361 20856 22176 22212 22752 23463 24192 24332 24948 25596 25914 26544 27148 27808 28512 29568 29616 29862 30336 31284 33264 33318 34128 34552 35392 36288 36498 38016 38871 39488 39816 40722 41712 44352 44424 44793 45504 46926 47509 48664 48743 49896 49977 51192 51828 53088 54296 54747 55616 57024 59232 59724 61083 62568 66528 66636 68256 69104 70389 70784 72576 72996 77742 78976 79632 81444 83424 88704 88848 89586 91008 93852 95018 97328 97486 99792 99954 102384 103656 106176 108592 109494 111232 114048 116613 118464 119448 122166 125136 133056 133272 136512 138208 140778 142527 145992 146229 155484 159264 162888 164241 166848 177696 179172 183249 187704 190036 194656 194972 199584 199908 204768 207312 212352 217184 218988 233226 236928 238896 244332 250272 266112 266544 273024 276416 281556 285054 291984 292458 310968 318528 325776 328482 333696 341201 349839 355392 358344 366498 375408 380072 389312 389944 399168 399816 409536 414624 427581 434368 437976 438687 466452 477792 488664 492723 500544 533088 536173 549747 552832 563112 570108 583968 584916 621936 637056 651552 656964 682402 699678 710784 716688 732996 750816 760144 778624 779888 798336 799632 819072 829248 855162 868736 875952 877374 932904 955584 977328 985446 1001088 1023603 1066176 1072346 1099494 1126224 1140216 1167936 1169832 1243872 1282743 1303104 1313928 1316061 1364804 1399356 1433376 1465992 1501632 1520288 1559776 1599264 1608519 1658496 1710324 1751904 1754748 1865808 1911168 1954656 1970892 2047206 2132352 2144692 2198988 2252448 2280432 2335872 2339664 2487744 2565486 2606208 2627856 2632122 2729608 2798712 2866752 2931984 3003264 3040576 3070809 3119552 3198528 3217038 3420648 3503808 3509496 3731616 3753211 3848229 3909312 3941784 3948183 4094412 4289384 4397976 4504896 4560864 4679328 4825557 4975488 5130972 5255712 5264244 5459216 5597424 5733504 5863968 6081152 6141618 6239104 6397056 6434076 6841296 7007616 7018992 7463232 7506422 7696458 7818624 7883568 7896366 8188824 8578768 8795952 9009792 9121728 9212427 9358656 9651114 10261944 10511424 10528488 10918432 11194848 11259633 11727936 12283236 12868152 13682592 14037984 14476671 14926464 15012844 15392916 15767136 15792732 16377648 17157536 17591904 18243456 18424854 18717312 19302228 20523888 21022848 21056976 21836864 22389696 22519266 23455872 24566472 25736304 27365184 27637281 28075968 28953342 30025688 30785832 31534272 31585464 32755296 33778899 34315072 35183808 36849708 38604456 41047776 42113952 43430013 43673728 44779392 45038532 49132944 51472608 54730368 55274562 56151936 57906684 60051376 61571664 63068544 63170928 65510592 67557798 68630144 70367616 73699416 77208912 82095552 84227904 86860026 90077064 98265888 101336697 102945216 110549124 115813368 120102752 123143328 126341856 131021184 135115596 147398832 154417824 164191104 168455808 173720052 180154128 196531776 202673394 205890432 221098248 231626736 240205504 246286656 252683712 270231192 294797664 304010091 308835648 347440104 360308256 393063552 405346788 442196496 463253472 480411008 492573312 505367424 540462384 589595328 608020182 617671296 694880208 720616512 810693576 884392992 926506944 1080924768 1179190656 1216040364 1389760416 1441233024 1621387152 1768785984 1853013888 2161849536 2432080728 2779520832 3242774304 3537571968 4323699072 4864161456 5559041664 6485548608 9728322912 12971097216 19456645824 38913291648
• Sum of all divisors σ(n): 146445235200
• Sum of proper divisors (its aliquot sum) s(n): 107531943552
• 38913291648 is an abundant number, because the sum of its proper divisors (107531943552) is greater than itself. Its abundance is 68618651904

Bases of 38913291648

• Binary: 100100001111011010011011010110000000₂
• Hexadecimal: 0x90F69B580
• Base-36: HVJYW00

Squares and roots of 38913291648

• 38913291648 squared (38913291648²) is 1514244266882306555904
• 38913291648 cubed (38913291648³) is 58924228783503142700834768289792
• The square root of 38913291648 is 197264.5220205601
• The cube root of 38913291648 is 3388.6963614591

Scales and comparisons

• 38,913,291,648 seconds is equal to 1,237 years, 16 weeks, 5 days, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 38,913,291,648 would take you about two thousand, four hundred seventy-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 38913291648 cubic inches would be around 282.4 feet tall.

Recreational maths with 38913291648

• 38913291648 backwards is 84619231983
• 38913291648 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38913291648's digits is 54
• More coming soon!