1990161446400

Names of 1990161446400

• Cardinal: 1990161446400 can be written as One trillion, nine hundred ninety billion, one hundred sixty-one million, four hundred forty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.9901614464 × 10¹²

Factors of 1990161446400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 17340

Divisors of 1990161446400

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 37 40 45 48 50 54 60 64 72 74 75 80 81 90 96 100 108 111 120 128 135 144 148 150 160 162 180 185 192 200 216 222 225 240 243 256 270 288 296 300 320 324 333 360 370 384 400 405 432 444 450 480 486 512 540 555 576 592 600 640 648 666 675 720 740 768 800 810 864 888 900 925 960 972 999 1080 1110 1152 1184 1200 1215 1280 1296 1332 1350 1440 1480 1536 1600 1620 1665 1728 1776 1800 1850 1920 1944 1998 2025 2160 2220 2304 2368 2400 2430 2560 2592 2664 2700 2775 2880 2960 2997 3200 3240 3330 3456 3552 3600 3700 3840 3888 3996 4050 4320 4440 4608 4736 4800 4860 4995 5184 5328 5400 5550 5760 5920 5994 6075 6400 6480 6660 6912 7104 7200 7400 7680 7776 7992 8100 8325 8640 8880 8991 9472 9600 9720 9990 10368 10656 10800 11100 11520 11840 11988 12150 12800 12960 13320 13824 14208 14400 14800 14985 15552 15984 16200 16650 17280 17293 17760 17982 18944 19200 19440 19980 20736 21312 21600 22200 23040 23680 23976 24300 24975 25920 26640 28416 28800 29600 29970 31104 31968 32400 33300 34560 34586 35520 35964 38400 38880 39960 41472 42624 43200 44400 44955 47360 47952 48600 49950 51840 51879 53280 56832 57600 59200 59940 62208 63936 64800 66600 69120 69172 71040 71928 74925 77760 79920 85248 86400 86465 88800 89910 94720 95904 97200 99900 103680 103758 106560 115200 118400 119880 124416 127872 129600 133200 138344 142080 143856 149850 155520 155637 159840 170496 172800 172930 177600 179820 191808 194400 199800 207360 207516 213120 224775 236800 239760 255744 259200 259395 266400 276688 284160 287712 299700 311040 311274 319680 345600 345860 355200 359640 383616 388800 399600 415032 426240 432325 449550 466911 473600 479520 511488 518400 518790 532800 553376 575424 599400 622080 622548 639360 639841 691720 710400 719280 767232 777600 778185 799200 830064 852480 864650 899100 933822 959040 1036800 1037580 1065600 1106752 1150848 1198800 1245096 1278720 1279682 1296975 1383440 1400733 1420800 1438560 1534464 1555200 1556370 1598400 1660128 1729300 1798200 1867644 1918080 1919523 2075160 2131200 2213504 2301696 2334555 2397600 2490192 2557440 2559364 2593950 2766880 2801466 2877120 3110400 3112740 3196800 3199205 3320256 3458600 3596400 3735288 3836160 3839046 3890925 4150320 4202199 4262400 4427008 4603392 4669110 4795200 4980384 5118728 5187900 5533760 5602932 5754240 5758569 6225480 6393600 6398410 6640512 6917200 7003665 7192800 7470576 7672320 7678092 7781850 8300640 8404398 8854016 9338220 9590400 9597615 9960768 10237456 10375800 11067520 11205864 11508480 11517138 11672775 12450960 12787200 12796820 13281024 13834400 14007330 14385600 14941152 15356184 15563700 15996025 16601280 16808796 17275707 18676440 19180800 19195230 19921536 20474912 20751600 21010995 22135040 22411728 23016960 23034276 23345550 24901920 25593640 26562048 27668800 28014660 28771200 28792845 29882304 30712368 31127400 31992050 33202560 33617592 34551414 35018325 37352880 38361600 38390460 39843072 40949824 41503200 42021990 44270080 44823456 46068552 46691100 47988075 49803840 51187280 51827121 55337600 56029320 57542400 57585690 59764608 61424736 62254800 63984100 66405120 67235184 69102828 70036650 74705760 76780920 79686144 81899648 83006400 84043980 86378535 89646912 92137104 93382200 95976150 99607680 102374560 103654242 105054975 110675200 112058640 115084800 115171380 119529216 122849472 124509600 127968200 132810240 134470368 138205656 140073300 143964225 149411520 153561840 155481363 163799296 166012800 168087960 172757070 179293824 184274208 186764400 191952300 199215360 204749120 207308484 210109950 221350400 224117280 230342760 239058432 245698944 249019200 255936400 259135605 268940736 276411312 280146600 287928450 298823040 307123680 310962726 327598592 332025600 336175920 345514140 358587648 368548416 373528800 383904600 398430720 409498240 414616968 420219900 431892675 448234560 460685520 491397888 498038400 511872800 518271210 537881472 552822624 560293200 575856900 597646080 614247360 621925452 664051200 672351840 691028280 717175296 737096832 747057600 767809200 777406815 818996480 829233936 840439800 863785350 896469120 921371040 982795776 996076800 1023745600 1036542420 1075762944 1105645248 1120586400 1151713800 1195292160 1228494720 1243850904 1295678025 1344703680 1382056560 1474193664 1494115200 1535618400 1554813630 1637992960 1658467872 1680879600 1727570700 1792938240 1842742080 1992153600 2047491200 2073084840 2151525888 2211290496 2241172800 2303427600 2456989440 2487701808 2591356050 2689407360 2764113120 2948387328 2988230400 3071236800 3109627260 3316935744 3361759200 3455141400 3585876480 3685484160 3887034075 4094982400 4146169680 4422580992 4482345600 4606855200 4913978880 4975403616 5182712100 5378814720 5528226240 5976460800 6142473600 6219254520 6633871488 6723518400 6910282800 7370968320 7774068150 8189964800 8292339360 8845161984 8964691200 9213710400 9950807232 10365424200 10757629440 11056452480 12284947200 12438509040 13267742976 13447036800 13820565600 14741936640 15548136300 16584678720 17929382400 18427420800 19901614464 20730848400 22112904960 24569894400 24877018080 26535485952 26894073600 27641131200 31096272600 33169357440 36854841600 39803228928 41461696800 44225809920 49754036160 53788147200 55282262400 62192545200 66338714880 73709683200 79606457856 82923393600 99508072320 110564524800 124385090400 132677429760 165846787200 199016144640 221129049600 248770180800 331693574400 398032289280 497540361600 663387148800 995080723200 1990161446400
• Sum of all divisors σ(n): 7586086011504
• Sum of proper divisors (its aliquot sum) s(n): 5595924565104
• 1990161446400 is an abundant number, because the sum of its proper divisors (5595924565104) is greater than itself. Its abundance is 3605763118704

Bases of 1990161446400

• Binary: 11100111101011110110111011011011000000000₂
• Hexadecimal: 0x1CF5EDDB600
• Base-36: PE9MQO00

Squares and roots of 1990161446400

• 1990161446400 squared (1990161446400²) is 3960742582736940072960000
• 1990161446400 cubed (1990161446400³) is 7882517187277820326312195129344000000
• The square root of 1990161446400 is 1410730.8199653115
• The cube root of 1990161446400 is 12578.5168612171

Scales and comparisons

• 1,990,161,446,400 seconds is equal to 63,280 years, 50 weeks, 6 days.
• To count from 1 to 1,990,161,446,400 would take you about one hundred fifty-eight thousand, two hundred 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 1990161446400 cubic inches would be around 1048.2 feet tall.

Recreational maths with 1990161446400

• 1990161446400 backwards is 0046441610991
• 1990161446400 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1990161446400's digits is 45
• More coming soon!