1988153856

Names of 1988153856

• Cardinal: 1988153856 can be written as One billion, nine hundred eighty-eight million, one hundred fifty-three thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.988153856 × 10⁹

Factors of 1988153856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 78

Divisors of 1988153856

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 23 24 26 27 32 36 37 39 46 48 52 54 64 69 72 74 78 92 96 104 108 111 117 128 138 144 148 156 169 184 192 207 208 216 222 234 256 276 288 296 299 312 333 338 351 368 384 414 416 432 444 468 481 507 512 552 576 592 598 621 624 666 676 702 736 768 828 832 851 864 888 897 936 962 999 1014 1104 1152 1184 1196 1242 1248 1332 1352 1404 1443 1472 1521 1536 1656 1664 1702 1728 1776 1794 1872 1924 1998 2028 2208 2304 2368 2392 2484 2496 2553 2664 2691 2704 2808 2886 2944 3042 3312 3328 3404 3456 3552 3588 3744 3848 3887 3996 4056 4329 4416 4563 4608 4736 4784 4968 4992 5106 5328 5382 5408 5616 5772 5888 6084 6253 6624 6656 6808 6912 7104 7176 7488 7659 7696 7774 7992 8073 8112 8658 8832 9126 9472 9568 9936 9984 10212 10656 10764 10816 11063 11232 11544 11661 11776 12168 12506 12987 13248 13616 13824 14208 14352 14976 15318 15392 15548 15984 16146 16224 17316 17664 18252 18759 18944 19136 19872 19968 20424 21312 21528 21632 22126 22464 22977 23088 23322 24336 25012 25974 26496 27232 28416 28704 29952 30636 30784 31096 31968 32292 32448 33189 34632 34983 35328 36504 37518 38272 39744 40848 42624 43056 43264 44252 44928 45954 46176 46644 48672 50024 51948 52992 54464 56277 56832 57408 59904 61272 61568 62192 63936 64584 64896 66378 69264 69966 73008 75036 76544 79488 81696 85248 86112 86528 88504 89856 91908 92352 93288 97344 99567 100048 103896 104949 105984 108928 112554 114816 122544 123136 124384 127872 129168 129792 132756 138528 139932 143819 146016 150072 153088 158976 163392 168831 170496 172224 177008 179712 183816 184704 186576 194688 199134 200096 207792 209898 217856 225108 229632 245088 246272 248768 255744 258336 259584 265512 277056 279864 287638 292032 298701 300144 317952 326784 337662 344448 354016 367632 369408 373152 389376 398268 400192 415584 419796 431457 435712 450216 459264 490176 497536 511488 516672 531024 554112 559728 575276 584064 597402 600288 653568 675324 688896 708032 735264 738816 746304 778752 796536 800384 831168 839592 862914 900432 980352 995072 1033344 1062048 1108224 1119456 1150552 1168128 1194804 1200576 1294371 1307136 1350648 1377792 1416064 1470528 1492608 1593072 1600768 1662336 1679184 1725828 1800864 1960704 1990144 2066688 2124096 2216448 2238912 2301104 2336256 2389608 2401152 2588742 2701296 2832128 2941056 2985216 3186144 3201536 3324672 3358368 3451656 3601728 3883113 3921408 4133376 4248192 4477824 4602208 4779216 4802304 5177484 5402592 5664256 5882112 5970432 6372288 6649344 6716736 6903312 7203456 7766226 8496384 8955648 9204416 9558432 9604608 10354968 10805184 11764224 12744576 13433472 13806624 14406912 15532452 16992768 17911296 18408832 19116864 20709936 21610368 25489152 26866944 27613248 28813824 31064904 36817664 38233728 41419872 43220736 50978304 53733888 55226496 62129808 73635328 76467456 82839744 86441472 110452992 124259616 152934912 165679488 220905984 248519232 331358976 497038464 662717952 994076928 1988153856
• Sum of all divisors σ(n): 6829384320
• Sum of proper divisors (its aliquot sum) s(n): 4841230464
• 1988153856 is an abundant number, because the sum of its proper divisors (4841230464) is greater than itself. Its abundance is 2853076608

Bases of 1988153856

• Binary: 1110110100000001101001000000000₂
• Hexadecimal: 0x7680D200
• Base-36: WVP1C0

Squares and roots of 1988153856

• 1988153856 squared (1988153856²) is 3952755755127668736
• 1988153856 cubed (1988153856³) is 7858686596383266369769046016
• The square root of 1988153856 is 44588.7189320349
• The cube root of 1988153856 is 1257.4285880237

Scales and comparisons

• 1,988,153,856 seconds is equal to 63 years, 11 weeks, 2 days, 57 minutes, 36 seconds.
• To count from 1 to 1,988,153,856 would take you about one 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 1988153856 cubic inches would be around 104.8 feet tall.

Recreational maths with 1988153856

• 1988153856 backwards is 6583518891
• 1988153856 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1988153856's digits is 54
• More coming soon!