128997125600

Names of 128997125600

• Cardinal: 128997125600 can be written as One hundred twenty-eight billion, nine hundred ninety-seven million, one hundred twenty-five thousand, six hundred.

Scientific notation

• Scientific notation: 1.289971256 × 10¹¹

Factors of 128997125600

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 252

Divisors of 128997125600

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 25 28 31 32 35 37 38 40 49 50 56 62 70 74 76 80 95 98 100 112 124 133 140 148 151 152 155 160 175 185 190 196 200 217 224 245 248 259 266 280 296 302 304 310 350 370 380 392 400 434 475 490 496 518 532 560 589 592 604 608 620 665 700 703 740 755 760 775 784 800 868 925 931 950 980 992 1036 1057 1064 1085 1120 1147 1178 1184 1208 1225 1240 1295 1330 1400 1406 1480 1510 1519 1520 1550 1568 1736 1813 1850 1862 1900 1960 2072 2114 2128 2170 2294 2356 2416 2450 2480 2590 2660 2800 2812 2869 2945 2960 3020 3038 3040 3100 3325 3472 3515 3626 3700 3724 3775 3800 3920 4123 4144 4228 4256 4340 4588 4655 4681 4712 4832 4900 4921 4960 5180 5285 5320 5425 5587 5600 5624 5735 5738 5890 5920 6040 6076 6200 6475 6650 6944 7030 7252 7399 7400 7448 7550 7595 7600 7840 8029 8246 8288 8456 8680 9065 9176 9310 9362 9424 9800 9842 10360 10570 10640 10850 11174 11248 11470 11476 11780 12080 12152 12400 12950 13300 14060 14345 14504 14725 14798 14800 14896 15100 15190 15200 16058 16492 16912 17360 17575 18130 18352 18620 18724 18848 19600 19684 20083 20615 20720 21140 21280 21700 21793 22348 22496 22940 22952 23275 23405 23560 24160 24304 24605 24800 25900 26425 26600 27935 28120 28675 28690 28861 29008 29450 29596 29600 29792 30200 30380 32116 32767 32984 33824 34447 34720 35150 36260 36704 36995 37240 37448 37975 39109 39200 39368 40145 40166 41230 41440 42280 43400 43586 44696 45325 45880 45904 46550 46810 47120 48608 49210 51800 52850 53200 55870 56203 56240 57350 57380 57722 58016 58900 59192 60400 60760 64232 65534 65968 68894 70300 71725 72520 73990 74480 74896 75950 78218 78736 80290 80332 82460 84560 86800 87172 88939 89392 90650 91760 91808 93100 93620 94240 98420 100415 103075 103600 105700 106153 106400 108965 111740 112406 112480 114700 114760 115444 117025 117800 118384 120800 121520 123025 128464 131068 131936 137788 139675 140581 140600 143450 144305 145040 147980 148960 149792 151900 152551 156436 157472 160580 160664 163835 164920 169120 172235 173197 173600 174344 177878 178784 181300 183520 184975 186200 187240 195545 196840 200725 200830 206150 207200 211400 212306 217930 223480 224812 229369 229400 229520 230888 234050 235600 236768 243040 246050 256928 262136 273763 275576 279350 281015 281162 281200 286900 288610 290080 295960 303800 305102 312872 321160 321328 327670 329840 344470 346394 348688 355756 362600 369950 372400 374480 391090 393680 401450 401660 412300 422800 424612 435860 444695 446960 449624 458738 458800 459040 461776 468100 471200 492100 502075 524272 530765 544825 547526 551152 558700 562030 562324 562400 573800 577220 591920 607600 610204 622573 625744 642320 642656 655340 659680 688940 692788 697376 702905 711512 721525 725200 739900 743071 744800 748960 762755 782180 787360 802900 803320 819175 824600 845600 849224 861175 865985 871720 889390 893920 899248 917476 917600 923552 936200 977725 984200 1004150 1048544 1061530 1067857 1089650 1095052 1102304 1117400 1124060 1124648 1146845 1147600 1154440 1183840 1212379 1215200 1220408 1245146 1251488 1284640 1310680 1368815 1377880 1385576 1405075 1405810 1423024 1443050 1450400 1479800 1486142 1525510 1564360 1605800 1606640 1638350 1649200 1698448 1722350 1731970 1743440 1778780 1798496 1834952 1872400 1955450 1968400 2008300 2123060 2135714 2179300 2190104 2223475 2234800 2248120 2249296 2293690 2295200 2308880 2424758 2440816 2490292 2621360 2653825 2737630 2755760 2771152 2810150 2811620 2846048 2886100 2959600 2972284 3051020 3112865 3128720 3211600 3213280 3276700 3290743 3298400 3396896 3444700 3463940 3486880 3514525 3557560 3669904 3715355 3744800 3813775 3910900 3936800 4016600 4246120 4271428 4329925 4358011 4358600 4380208 4446950 4469600 4496240 4498592 4587380 4617760 4849516 4881632 4980584 5201497 5242720 5307650 5339285 5475260 5511520 5542304 5620300 5623240 5734225 5772200 5919200 5944568 6061895 6102040 6225730 6257440 6423200 6553400 6581486 6844075 6889400 6927880 7029050 7115120 7339808 7430710 7627550 7821800 8033200 8486653 8492240 8542856 8659850 8716022 8717200 8760416 8893900 8992480 9174760 9699032 9961168 10402994 10615300 10678570 10950520 11240600 11246480 11468450 11544400 11889136 12123790 12204080 12451460 13106800 13162972 13688150 13778800 13855760 14058100 14230240 14861420 15255100 15564325 15643600 16066400 16453715 16973306 16984480 17085712 17319700 17432044 17434400 17787800 18349520 18576775 19398064 19922336 20805988 21230600 21357140 21790055 21901040 22481200 22492960 22936900 23035201 23088800 23778272 24247580 24408160 24902920 26007485 26213600 26325944 26696425 27376300 27557600 27711520 28116200 29722840 30309475 30510200 31128650 31287200 32907430 33946612 34171424 34639400 34864088 35575600 36699040 37153550 38796128 41611976 42433265 42461200 42714280 43580110 43802080 44962400 45873800 46070402 48495160 49805840 52014970 52651888 53392850 54752600 56232400 59445680 60618950 61020400 62257300 65814860 67893224 69278800 69728176 71151200 74307100 82268575 83223952 84866530 84922400 85428560 87160220 91747600 92140804 96990320 99611680 104029940 105303776 106785700 108950275 109505200 112464800 115176005 118891360 121237900 122040800 124514600 130037425 131629720 135786448 138557600 139456352 148614200 161246407 164537150 166447904 169733060 170857120 174320440 183495200 184281608 193980640 208059880 212166325 213571400 217900550 219010400 230352010 242475800 249029200 260074850 263259440 271572896 297228400 322492814 329074300 339466120 348640880 368563216 416119760 424332650 427142800 435801100 460704020 484951600 498058400 520149700 526518880 575880025 594456800 644985628 658148600 678932240 697281760 737126432 806232035 832239520 848665300 854285600 871602200 921408040 969903200 1040299400 1151760050 1289971256 1316297200 1357864480 1612464070 1697330600 1743204400 1842816080 2080598800 2303520100 2579942512 2632594400 3224928140 3394661200 3486408800 3685632160 4031160175 4161197600 4607040200 5159885024 6449856280 6789322400 8062320350 9214080400 12899712560 16124640700 18428160800 25799425120 32249281400 64498562800 128997125600
• Sum of all divisors σ(n): 411513661440
• Sum of proper divisors (its aliquot sum) s(n): 282516535840
• 128997125600 is an abundant number, because the sum of its proper divisors (282516535840) is greater than itself. Its abundance is 153519410240

Bases of 128997125600

• Binary: 1111000001000110100111110110111100000₂
• Hexadecimal: 0x1E08D3EDE0
• Base-36: 1N9DK34W

Squares and roots of 128997125600

• 128997125600 squared (128997125600²) is 16640258413062175360000
• 128997125600 cubed (128997125600³) is 2146545504526238115523145216000000
• The square root of 128997125600 is 359161.6984033793
• The cube root of 128997125600 is 5052.7368180033

Scales and comparisons

• 128,997,125,600 seconds is equal to 4,101 years, 36 weeks, 6 days, 6 hours, 53 minutes, 20 seconds.
• To count from 1 to 128,997,125,600 would take you about eight thousand, two hundred 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 128997125600 cubic inches would be around 421.1 feet tall.

Recreational maths with 128997125600

• 128997125600 backwards is 006521799821
• 128997125600 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128997125600's digits is 50
• More coming soon!