1997156087520

Names of 1997156087520

• Cardinal: 1997156087520 can be written as One trillion, nine hundred ninety-seven billion, one hundred fifty-six million, eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.99715608752 × 10¹²

Factors of 1997156087520

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 747

Divisors of 1997156087520

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 32 33 40 44 48 55 60 62 66 80 88 93 96 110 120 124 132 155 160 165 176 186 197 220 240 241 248 257 264 310 330 341 352 372 394 440 465 480 482 496 514 528 591 620 660 682 723 744 771 788 880 930 964 985 992 1023 1028 1056 1182 1205 1240 1285 1320 1364 1446 1488 1542 1576 1705 1760 1860 1928 1970 2046 2056 2167 2364 2410 2480 2570 2640 2651 2728 2827 2892 2955 2976 3084 3152 3410 3615 3720 3855 3856 3940 4092 4112 4334 4728 4820 4960 5115 5140 5280 5302 5456 5654 5784 5910 6107 6168 6304 6501 6820 7230 7440 7471 7710 7712 7880 7953 7967 8184 8224 8481 8668 9456 9640 10230 10280 10604 10835 10912 11308 11568 11820 12214 12336 13002 13255 13640 14135 14460 14880 14942 15420 15760 15906 15934 16368 16962 17336 18321 18912 19280 20460 20560 21208 21670 22413 22616 23136 23640 23901 24428 24672 26004 26510 27280 28270 28920 29884 30535 30840 31520 31812 31868 32505 32736 33924 34672 36642 37355 38560 39765 39835 40920 41120 42405 42416 43340 44826 45232 47280 47477 47802 48856 50629 52008 53020 54560 56540 57840 59768 61070 61680 61937 63624 63736 65010 67177 67848 69344 73284 74710 79530 79670 81840 82181 84810 84832 86680 87637 89652 90464 91605 94560 94954 95604 97712 101258 104016 106040 112065 113080 115680 119505 119536 122140 123360 123874 127248 127472 130020 134354 135696 142431 146568 149420 151887 159060 159340 163680 164362 169620 173360 175274 179304 183210 185811 189908 191208 195424 201531 202516 208032 212080 224130 226160 237385 239010 239072 244280 246543 247748 253145 254496 254944 260040 262911 268708 271392 284862 293136 298840 303774 309685 318120 318680 328724 335885 339240 346720 350548 358608 366420 371622 379816 382416 403062 405032 410905 424160 438185 448260 452320 474770 478020 488560 493086 495496 506290 520080 522247 525822 537416 556919 569724 586272 597680 607548 619370 636240 637360 657448 671770 678480 681307 701096 712155 717216 732840 743244 759435 759632 764832 806124 810064 821810 876370 896520 929055 949540 956040 977120 986172 990992 1007655 1012580 1040160 1044494 1051644 1074832 1113838 1139448 1195360 1215096 1232715 1238740 1272480 1274720 1314555 1314896 1343540 1356960 1362614 1402192 1424310 1465680 1471787 1486488 1518870 1519264 1566741 1569499 1612248 1620128 1643620 1670757 1752740 1793040 1858110 1899080 1912080 1920047 1972344 1981984 2015310 2025160 2043921 2088988 2103288 2149664 2227676 2278896 2430192 2465430 2477480 2611235 2629110 2629792 2687080 2725228 2784595 2804384 2848620 2931360 2943574 2972976 3037740 3133482 3138998 3224496 3287240 3341514 3406535 3505480 3586080 3716220 3798160 3824160 3840094 3944688 4030620 4050320 4087842 4177976 4206576 4415361 4455352 4557792 4708497 4860384 4930860 4954960 5222470 5258220 5374160 5450456 5569190 5697240 5760141 5887148 5945952 6075480 6266964 6277996 6448992 6574480 6683028 6813070 7010960 7358935 7432440 7596320 7680188 7833705 7847495 7889376 8061240 8100640 8175684 8353785 8355952 8413152 8830722 8910704 9416994 9600235 9861720 9909920 10219605 10444940 10516440 10748320 10900912 11138380 11394480 11520282 11774296 12150960 12201589 12533928 12555992 13148960 13366056 13626140 14021920 14717870 14864880 15360376 15667410 15694990 16122480 16189657 16351368 16707570 16711904 17264489 17661444 17821408 18833988 19200470 19723440 20439210 20889880 21032880 21120517 21801824 22076805 22276760 22788960 23040564 23542485 23548592 24301920 24403178 25067856 25111984 26732112 27252280 28800705 29435740 29729760 30720752 31334820 31389980 32244960 32379314 32702736 33415140 34528978 35322888 36604767 37667976 38400940 39446880 40878420 41779760 42065760 42241034 44153610 44553520 46081128 47084970 47097184 48568971 48806356 50135712 50223968 51793467 53464224 54504560 57601410 58871480 61007945 61441504 62669640 62779960 63361551 64758628 65405472 66830280 69057956 70645776 73209534 75335952 76801880 80948285 81756840 83559520 84482068 86322445 88307220 89107040 92162256 94169940 97137942 97612712 103586934 105602585 109009120 115202820 117742960 122015890 125339280 125559920 126723102 129517256 133660560 134217479 138115912 141291552 146419068 150671904 153603760 161896570 163513680 168964136 172644890 176614440 183023835 184324512 188339880 194275884 195225424 207173868 211205170 230405640 235485920 242844855 244031780 250678560 251119840 253446204 258967335 259034512 267321120 268434958 276231824 292838136 307207520 316807755 323793140 327027360 337928272 345289780 353228880 366047670 376679760 378249259 388551768 390450848 402652437 414347736 422410340 460811280 485689710 488063560 506892408 517934670 518069024 536869916 552463648 585676272 633615510 647586280 671087395 675856544 690579560 706457760 732095340 753359520 756498518 777103536 805304874 828695472 844820680 921622560 971379420 976127120 1013784816 1035869340 1073739832 1134747777 1171352544 1267231020 1295172560 1342174790 1381159120 1464190680 1512997036 1554207072 1610609748 1657390944 1689641360 1891246295 1942758840 1952254240 2013262185 2027569632 2071738680 2147479664 2269495554 2534462040 2590345120 2684349580 2762318240 2928381360 3025994072 3221219496 3379282720 3782492590 3885517680 4026524370 4143477360 4160741849 4294959328 4538991108 5068924080 5368699160 5673738885 5856762720 6051988144 6442438992 7564985180 7771035360 8053048740 8286954720 8321483698 9077982216 10137848160 10737398320 11347477770 12103976288 12482225547 12884877984 15129970360 16106097480 16642967396 18155964432 20803709245 21474796640 22694955540 24964451094 30259940720 32212194960 33285934792 36311928864 41607418490 45389911080 49928902188 60519881440 62411127735 64424389920 66571869584 83214836980 90779822160 99857804376 124822255470 133143739168 166429673960 181559644320 199715608752 249644510940 332859347920 399431217504 499289021880 665718695840 998578043760 1997156087520
• Sum of all divisors σ(n): 7177666535424
• Sum of proper divisors (its aliquot sum) s(n): 5180510447904
• 1997156087520 is an abundant number, because the sum of its proper divisors (5180510447904) is greater than itself. Its abundance is 3183354360384

Bases of 1997156087520

• Binary: 11101000011111111110001110111011011100000₂
• Hexadecimal: 0x1D0FFC776E0
• Base-36: PHHB63MO

Squares and roots of 1997156087520

• 1997156087520 squared (1997156087520²) is 3988632437918193899750400
• 1997156087520 cubed (1997156087520³) is 7965921554268059422650239968555008000
• The square root of 1997156087520 is 1413207.7297835587
• The cube root of 1997156087520 is 12593.2358241485

Scales and comparisons

• 1,997,156,087,520 seconds is equal to 63,503 years, 20 weeks, 11 hours, 52 minutes.
• To count from 1 to 1,997,156,087,520 would take you about one hundred fifty-eight thousand, seven hundred fifty-eight 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 1997156087520 cubic inches would be around 1049.4 feet tall.

Recreational maths with 1997156087520

• 1997156087520 backwards is 0257806517991
• 1997156087520 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1997156087520's digits is 60
• More coming soon!