161630729935920

Names of 161630729935920

• Cardinal: 161630729935920 can be written as One hundred sixty-one trillion, six hundred thirty billion, seven hundred twenty-nine million, nine hundred thirty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.6163072993592 × 10¹⁴

Factors of 161630729935920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3091619

Divisors of 161630729935920

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 180 189 210 216 240 252 270 280 315 324 336 360 378 405 420 432 504 540 560 567 630 648 720 756 810 840 945 1008 1080 1134 1153 1260 1296 1512 1620 1680 1890 2160 2268 2306 2520 2835 3024 3240 3459 3780 4536 4612 5040 5670 5765 6480 6918 7560 8071 9072 9224 10377 11340 11530 13836 15120 16142 17295 18448 20754 22680 23060 24213 27672 31131 32284 34590 40355 41508 45360 46120 48426 51885 55344 62262 64568 69180 72639 80710 83016 92240 93393 96852 103770 121065 124524 129136 138360 145278 155655 161420 166032 186786 193704 207540 217917 242130 249048 276720 290556 311310 322840 363195 373572 387408 415080 435834 466965 484260 498096 581112 622620 645680 653751 726390 747144 830160 871668 933930 968520 1089585 1162224 1245240 1307502 1452780 1494288 1743336 1867860 1937040 2179170 2490480 2615004 2905560 3090449 3268755 3486672 3735720 4358340 5230008 5811120 6180898 6537510 7471440 8716680 9271347 10460016 12361796 13075020 15452245 17433360 18542694 21633143 24723592 26150040 27814041 30904490 37085388 43266286 46356735 49447184 52300080 55628082 61808980 64899429 74170776 83442123 86532572 92713470 108165715 111256164 123617960 129798858 139070205 148341552 166884246 173065144 185426940 194698287 216331430 222512328 247235920 250326369 259597716 278140410 324497145 333768492 346130288 370853880 389396574 417210615 432662860 445024656 500652738 519195432 556280820 584094861 648994290 667536984 741707760 778793148 834421230 865325720 973491435 1001305476 1038390864 1112561640 1168189722 1251631845 1297988580 1335073968 1557586296 1668842460 1730651440 1752284583 1946982870 2002610952 2225123280 2336379444 2503263690 2595977160 2920474305 3115172592 3337684920 3504569166 3563287697 3893965740 4005221904 4672758888 5006527380 5191954320 5840948610 6675369840 7009138332 7126575394 7787931480 8761422915 9345517776 10013054760 10689863091 11681897220 14018276664 14253150788 15575862960 17522845830 17816438485 20026109520 21379726182 23363794440 24943013879 28036553328 28506301576 32069589273 35045691660 35632876970 42759452364 46727588880 49886027758 53449315455 57012603152 64139178546 70091383320 71265753940 74829041637 85518904728 96208767819 99772055516 106898630910 124715069395 128278357092 140182766640 142531507880 149658083274 160347946365 171037809456 192417535638 199544111032 213797261820 224487124911 249430138790 256556714184 285063015760 288626303457 299316166548 320695892730 374145208185 384835071276 399088222064 427594523640 448974249822 481043839095 498860277580 513113428368 577252606914 598632333096 641391785460 673461374733 748290416370 769670142552 855189047280 897948499644 962087678190 997720555160 1122435624555 1154505213828 1197264666192 1282783570920 1346922749466 1443131517285 1496580832740 1539340285104 1795896999288 1924175356380 1995441110320 2020384124199 2244871249110 2309010427656 2565567141840 2693845498932 2886263034570 2993161665480 3367306873665 3591793998576 3848350712760 4040768248398 4489742498220 4618020855312 5387690997864 5772526069140 5986323330960 6734613747330 7696701425520 8081536496796 8979484996440 10101920620995 10775381995728 11545052138280 13469227494660 16163072993592 17958969992880 20203841241990 23090104276560 26938454989320 32326145987184 40407682483980 53876909978640 80815364967960 161630729935920
• Sum of all divisors σ(n): 642119460206400
• Sum of proper divisors (its aliquot sum) s(n): 480488730270480
• 161630729935920 is an abundant number, because the sum of its proper divisors (480488730270480) is greater than itself. Its abundance is 318858000334560

Bases of 161630729935920

• Binary: 100100110000000010010110001111100001110000110000₂
• Hexadecimal: 0x9300963E1C30
• Base-36: 1LAK4RF700

Squares and roots of 161630729935920

• 161630729935920 squared (161630729935920²) is 26124492859618305647306246400
• 161630729935920 cubed (161630729935920³) is 4222520850105836760692890113312487730688000
• The square root of 161630729935920 is 12713407.4872128597
• The cube root of 161630729935920 is 54472.1660117253

Scales and comparisons

• 161,630,729,935,920 seconds is equal to 5,139,357 years, 13 weeks, 1 day, 22 hours, 12 minutes.
• To count from 1 to 161,630,729,935,920 would take you about twelve million, eight hundred forty-eight thousand, three hundred ninety-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 161630729935920 cubic inches would be around 4539.3 feet tall.

Recreational maths with 161630729935920

• 161630729935920 backwards is 029539927036161
• 161630729935920 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 161630729935920's digits is 63
• More coming soon!