138791994880

Names of 138791994880

• Cardinal: 138791994880 can be written as One hundred thirty-eight billion, seven hundred ninety-one million, nine hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3879199488 × 10¹¹

Factors of 138791994880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 48

Divisors of 138791994880

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 23 28 32 35 40 44 46 55 56 64 70 77 80 88 92 110 112 115 121 128 140 154 160 161 176 184 220 224 230 242 253 256 280 308 320 322 352 368 385 440 448 460 484 506 512 529 560 605 616 640 644 704 736 770 805 847 880 896 920 968 1012 1058 1120 1210 1232 1265 1280 1288 1331 1408 1472 1540 1610 1694 1760 1771 1792 1840 1936 2024 2116 2240 2420 2464 2530 2560 2576 2645 2662 2783 2816 2944 3080 3220 3388 3520 3542 3584 3680 3703 3872 4048 4232 4235 4480 4840 4928 5060 5152 5290 5324 5566 5632 5819 5888 6160 6440 6655 6776 7040 7084 7360 7406 7744 8096 8464 8470 8855 8960 9317 9680 9856 10120 10304 10580 10648 11132 11638 11776 12320 12880 13310 13552 13915 14080 14168 14641 14720 14812 15488 16192 16928 16940 17710 17920 18515 18634 19360 19481 19712 20240 20608 21160 21296 22264 23276 24640 25760 26620 27104 27830 28160 28336 29095 29282 29440 29624 30613 30976 32384 33856 33880 35420 37030 37268 38720 38962 39424 40480 40733 41216 42320 42592 44528 46552 46585 49280 51520 53240 54208 55660 56672 58190 58564 58880 59248 61226 61952 64009 64768 67712 67760 70840 73205 74060 74536 77440 77924 80960 81466 82432 84640 85184 89056 93104 93170 97405 98560 102487 103040 106480 108416 111320 113344 116380 117128 118496 122452 128018 129536 135424 135520 141680 146410 148120 149072 153065 154880 155848 161920 162932 169280 170368 178112 186208 186340 194810 197120 203665 204974 206080 212960 214291 216832 222640 226688 232760 234256 236992 244904 256036 270848 271040 283360 292820 296240 298144 306130 309760 311696 320045 323840 325864 336743 338560 340736 356224 372416 372680 389620 407330 409948 412160 425920 428582 433664 445280 448063 453376 465520 468512 473984 489808 512072 512435 542080 566720 585640 592480 596288 612260 623392 640090 647680 651728 673486 677120 681472 704099 712448 744832 745360 779240 814660 819896 851840 857164 890560 896126 906752 931040 937024 947968 979616 1024144 1024870 1071455 1084160 1133440 1171280 1184960 1192576 1224520 1246784 1280180 1303456 1346972 1354240 1408198 1424896 1489664 1490720 1558480 1629320 1639792 1683715 1703680 1714328 1781120 1792252 1862080 1874048 1895936 1959232 2048288 2049740 2142910 2168320 2240315 2266880 2342560 2357201 2369920 2385152 2449040 2493568 2560360 2606912 2693944 2816396 2979328 2981440 3116960 3258640 3279584 3367430 3407360 3428656 3520495 3562240 3584504 3724160 3748096 3918464 4096576 4099480 4285820 4480630 4533760 4685120 4714402 4739840 4770304 4898080 4928693 4987136 5120720 5213824 5387888 5632792 5962880 6233920 6517280 6559168 6734860 6857312 7040990 7124480 7169008 7448320 7496192 7745089 7836928 8193152 8198960 8571640 8961260 9370240 9428804 9479680 9796160 9857386 9974272 10241440 10427648 10775776 11265584 11786005 11925760 12467840 13034560 13118336 13469720 13714624 14081980 14338016 14896640 15490178 15673856 16386304 16397920 17143280 17922520 18740480 18857608 19592320 19714772 20482880 20855296 21551552 22531168 23572010 23851520 24643465 24935680 26069120 26236672 26939440 27429248 28163960 28676032 30980356 32772608 32795840 34286560 35845040 37480960 37715216 38725445 39184640 39429544 40965760 43103104 45062336 47144020 49286930 49871360 52138240 52473344 53878880 54215623 54858496 56327920 57352064 61960712 65591680 68573120 71690080 75430432 77450890 78369280 78859088 81931520 86206208 90124672 94288040 98573860 104276480 107757760 108431246 109716992 112655840 114704128 123921424 131183360 137146240 143380160 150860864 154901780 157718176 163863040 172412416 180249344 188576080 197147720 215515520 216862492 225311680 229408256 247842848 262366720 271078115 274292480 286760320 301721728 309803560 315436352 360498688 377152160 394295440 431031040 433724984 450623360 495685696 542156230 548584960 573520640 603443456 619607120 630872704 754304320 788590880 862062080 867449968 901246720 991371392 1084312460 1147041280 1206886912 1239214240 1261745408 1508608640 1577181760 1734899936 1802493440 1982742784 2168624920 2478428480 2523490816 3017217280 3154363520 3469799872 3965485568 4337249840 4956856960 6034434560 6308727040 6939599744 8674499680 9913713920 12617454080 13879199488 17348999360 19827427840 27758398976 34697998720 69395997440 138791994880
• Sum of all divisors σ(n): 437323415760
• Sum of proper divisors (its aliquot sum) s(n): 298531420880
• 138791994880 is an abundant number, because the sum of its proper divisors (298531420880) is greater than itself. Its abundance is 159739426000

Bases of 138791994880

• Binary: 10000001010000101001011100011000000000₂
• Hexadecimal: 0x2050A5C600
• Base-36: 1RRD64N4

Squares and roots of 138791994880

• 138791994880 squared (138791994880²) is 19263217842769946214400
• 138791994880 cubed (138791994880³) is 2673580432206051020006880182272000
• The square root of 138791994880 is 372547.9766150931
• The cube root of 138791994880 is 5177.5162742395

Scales and comparisons

• 138,791,994,880 seconds is equal to 4,413 years, 8 weeks, 19 hours, 54 minutes, 40 seconds.
• To count from 1 to 138,791,994,880 would take you about eight thousand, eight hundred twenty-six 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 138791994880 cubic inches would be around 431.5 feet tall.

Recreational maths with 138791994880

• 138791994880 backwards is 088499197831
• The number of decimal digits it has is: 12
• The sum of 138791994880's digits is 67
• More coming soon!