1621206135472

Names of 1621206135472

• Cardinal: 1621206135472 can be written as One trillion, six hundred twenty-one billion, two hundred six million, one hundred thirty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.621206135472 × 10¹²

Factors of 1621206135472

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1762

Divisors of 1621206135472

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 31 44 56 62 71 77 88 112 124 142 154 176 217 248 284 308 341 434 496 497 547 568 616 682 781 868 994 1093 1094 1136 1232 1364 1562 1736 1988 2186 2188 2201 2387 2728 3124 3472 3829 3976 4372 4376 4402 4774 5456 5467 6017 6248 7651 7658 7952 8744 8752 8804 9548 10934 12023 12034 12496 15302 15316 15407 16957 17488 17608 19096 21868 24046 24068 24211 30604 30632 30814 33883 33914 35216 38192 38837 42119 43736 48092 48136 48422 61208 61264 61628 67766 67828 77603 77674 84161 84238 87472 96184 96272 96844 118699 122416 123256 135532 135656 155206 155348 168322 168476 169477 186527 192368 193688 237181 237398 246512 271064 271312 271859 310412 310696 336644 336952 338954 372713 373054 387376 427207 474362 474796 542128 543221 543718 597871 620824 621392 673288 673904 677908 745426 746108 853633 854414 948724 949592 1086442 1087436 1195742 1203947 1241648 1305689 1346576 1355816 1490852 1492216 1707266 1708828 1897448 1899184 2172884 2174872 2391484 2405693 2407894 2608991 2611378 2711632 2981704 2984432 2990449 3414532 3417656 3794896 4185097 4345768 4349744 4782968 4811386 4815788 5217982 5222756 5963408 5975431 5980898 6576581 6829064 6835312 8370194 8427629 8691536 9565936 9622772 9631576 10435964 10445512 11950862 11961796 13153162 13243417 13658128 16740388 16839851 16855258 18534001 19245544 19263152 20871928 20891024 23901724 23923592 26306324 26462623 26486834 33480776 33679702 33710516 37068002 38491088 41743856 42448841 46036067 47803448 47847184 52612648 52925246 52973668 66961552 67359404 67421032 74136004 84897682 92072134 92703919 95606896 105225296 105850492 105947336 129738007 134718808 134842064 148272008 169795364 184144268 185238361 185407838 203874011 211700984 211894672 259476014 269437616 296544016 297141887 339590728 368288536 370476722 370815676 407748022 423401968 466937251 518952028 594283774 679181456 736577072 740953444 741631352 815496044 933874502 1037904056 1188567548 1315914071 1427118077 1481906888 1483262704 1630992088 1867749004 2075808112 2377135096 2631828142 2854236154 2963813776 3261984176 3268560757 3735498008 4754270192 5263656284 5708472308 6537121514 7470996016 9211398497 10527312568 11416944616 13074243028 14475054781 18422796994 21054625136 22833889232 26148486056 28950109562 36845593988 52296972112 57900219124 73691187976 101325383467 115800438248 147382375952 202650766934 231600876496 405301533868 810603067736 1621206135472
• Sum of all divisors σ(n): 4110676328448
• Sum of proper divisors (its aliquot sum) s(n): 2489470192976
• 1621206135472 is an abundant number, because the sum of its proper divisors (2489470192976) is greater than itself. Its abundance is 868264057504

Bases of 1621206135472

• Binary: 10111100101110111011010100111001010110000₂
• Hexadecimal: 0x179776A72B0
• Base-36: KORS9W34

Squares and roots of 1621206135472

• 1621206135472 squared (1621206135472²) is 2628309333692056816662784
• 1621206135472 cubed (1621206135472³) is 4261031217699886717444926464444674048
• The square root of 1621206135472 is 1273265.9327383263
• The cube root of 1621206135472 is 11747.5169292857

Scales and comparisons

• 1,621,206,135,472 seconds is equal to 51,549 years, 17 weeks, 4 days, 21 hours, 37 minutes, 52 seconds.
• To count from 1 to 1,621,206,135,472 would take you about one hundred twenty-eight thousand, eight hundred seventy-three 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 1621206135472 cubic inches would be around 979 feet tall.

Recreational maths with 1621206135472

• 1621206135472 backwards is 2745316021261
• The number of decimal digits it has is: 13
• The sum of 1621206135472's digits is 40
• More coming soon!